AT7910E - Complete

AT7910E
SpW-10X SpaceWire Router
DATASHEET
Features
SpaceWire Router
Logical to Physical addressing translation
Priority Management
Header Deletion Capability
Eight Bidirectional SpaceWire links
Full duplex communication
Data rate from 2 up to 200 Mbit/s in each direction
Two External Interfaces
Dedicated Input and Output FIFOs
9-bit wide Interface
Configuration Port
Read/Write Accesses to internal registers
Accessible from both the spacewire links (8 channels) and the external interfaces
Remote Memory Access Protocol (RMAP) support
Time Code Interface
Master/Slave Capability
Error/Status Interface
Operating range
Voltages
Temperature
3V to 3.6V
- 55°C to +125°C
Maximum Power consumption
All spacewire links active at 200Mbit/s : 4W
Radiation Performance
Total dose tested successfully up to 300 Krad (Si)
No single event latchup below a LET of 80 MeV/mg/cm2
ESD better than 2000V
Quality Grades
QML-Q or V with SMD
Package: 196pins MQFPF
Mass: 12grams
7796G AERO 02/13
Description
The SpW-10X SpaceWire routing switch is capable of connecting many nodes, providing
a means of routing packets between the nodes connected to it. It comprises eight
SpaceWire link interfaces and a routing matrix. The routing matrix enables packets
arriving at one link interface to be transferred to and sent out of another link interface on
the routing switch.
The AT7910E was designed by Austrian Aerospace (Austria) and the University of
Dundee (Scotland). It is manufactured using the SEU hardened cell library from Atmel
MH1RT CMOS 0.35µm radiation hardened sea of gates technology.
For any technical question relative to the functionality of the AT7910E please contact
Atmel technical support at [email protected].
This document must be read in conjunction with the University of Dundee “SpaceWire
Router SpW-10X User Manual” available at www.atmel.com.
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Table of Contents
1. Functional Description........................................................................ 4
1.1
1.2
1.3
1.4
1.5
1.6
1.7
SpaceWire Ports ............................................................................................... 5
External Ports.................................................................................................... 5
Configuration Port ............................................................................................. 5
Routing table ..................................................................................................... 5
Routing control logic and crossbar .................................................................... 6
Time Code Processing ...................................................................................... 6
Control/Status Registers ................................................................................... 6
2. Typical Applications ........................................................................... 7
2.1
2.2
2.3
Stand-alone router ............................................................................................ 7
Node interface ................................................................................................... 7
Embedded router .............................................................................................. 8
3. PLL Filter ........................................................................................... 9
4. LVDS Interface................................................................................. 10
4.2
4.3
AT7910E Limitation ......................................................................................... 10
AT7910E Compatibility with LVDS receiver Standards ................................... 11
5. Package Information ........................................................................ 12
5.1
5.2
5.3
5.4
5.5
5.6
5.7
Package Outline .............................................................................................. 12
5.1.1
MQFPF 196 ...................................................................................... 12
Pin Description ................................................................................................ 14
Electrical Characteristics ................................................................................. 16
Absolute Maximum Ratings ............................................................................ 16
DC Electrical Characteristics ........................................................................... 16
Power consumption......................................................................................... 16
AC Electrical Characteristics ........................................................................... 17
6. Ordering Information ........................................................................ 19
6.1
AT7910E Ordering Codes ............................................................................... 19
7. Revision History ............................................................................... 20
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1.
Functional Description
The SpaceWire router comprises the following functional logic blocks:
Eight SpaceWire bi-directional serial ports.
Two external parallel input/output ports each comprising an input FIFO and an output FIFO.
A non-blocking crossbar switch connecting any input port to any output port.
An internal configuration port accessible via the crossbar switch from the external parallel input/output port or the
SpaceWire input/output ports.
A routing table accessible via the configuration port which holds the logical address to output port mapping.
Control logic to control the operation of the switch, performing arbitration and group adaptive routing.
Control registers than can be written and read by the configuration port and which hold control information e.g. link
operating speed.
An external time-code interface comprising tick_in, tick_out and current tick count value
Internal status/error registers accessible via the configuration port
External status/error signals
A block diagram of the routing switch is given in the following figure:
Figure 1.
SpaceWire Router Block Diagram
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The AT7910E provides a routing capability between eight SpaceWire links according to the SpaceWire Standard ECSSE-50-12A. In addition for use as a node interface, the AT7910E integrates other interfaces such as:
External ports
Configuration port
Time-code interface
Control/Status interface
1.1
SpaceWire Ports
The SpaceWire router has eight bi-directional SpaceWire links each compliant with the SpaceWire standard ECSS-E-5012A.
Each SpaceWire link is controlled by an associated link register and routing control logic. Packets received on SpaceWire
links are routed by the routing control logic to the configuration port, other SpaceWire link ports or the external FIFO ports
depending on the packet address.
Packets with invalid addresses are discarded by the SpaceWire router. The SpaceWire link status is recorded in the
associated link register and error status is held by the router until cleared by a configuration command.
1.2
External Ports
The SpaceWire router has two bi-directional parallel FIFO interfaces that can be used to connect the router to an external
host system. The external port FIFO is two data characters deep.
Each FIFO is written to or read from synchronously with the 30MHz system clock.
An eight-bit data interface and an extra control bit for end of packet markers are provided by each external port FIFO.
Packets received by the external port are routed by the routing control logic to the configuration port, SpaceWire link ports
or the other external port depending on the packet address.
Packets with invalid addresses are discarded by the SpaceWire router.
1.3
Configuration Port
The SpaceWire router has one configuration port which performs read and write operations to internal router registers.
Packets are routed to the configuration port when a packet with a leading address byte equal to zero is received. The
Remote Memory Access Protocol (RMAP) is used to access the configuration port.
If an invalid command packet is received then the error is flagged to an associated status register and the packet is
discarded.
1.4
Routing table
The SpaceWire router routing table is set by the router command packets to assign logical addresses to physical
destination ports on the router.
A group of destination ports can be set, in each routing table location, to enable group adaptive routing. When a packet is
received with a logical address the routing table is checked by the routing control logic and the packet is routed to the
destination port when the port is ready. Routing table locations are set to invalid at power on or at reset.
The routing table logical addresses can also be set to support high priority and header deletion. High priority packets are
routed before low priority packets and header deletion of logical addresses can be used to support regional logical
addressing.
An invalid routing address will cause the packet to be spilled by the control logic.
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1.5
Routing control logic and crossbar
The routing control logic is responsible for arbitration of output ports, group adaptive routing and the crossbar switching.
Arbitration is performed when two or more source ports are requesting to use the same destination port.
A priority based arbitration scheme with two priority levels, high and low, is used where high priority packets are routed
before low priority packets. Fair arbitration is performed on packets which have the same priority levels to ensure each
packet gets equal access to the output port.
Group adaptive routing control selects one of a number of output ports for sending out the source packet.
1.6
Time Code Processing
An internal time-code register is used in the router to allow the router to be a time-code master or a time-code slave.
In master mode the time-code interface is used to provide a tick-in to the SpaceWire routing causing time-codes to be
propagated through the network. Two modes of time master operation are supported, an automatic mode where a timecode is propagated on each external tick-in and a normal mode where the time-code is propagated dependent on the
external time-in signal.
In time-code slave mode a valid received time-code, one plus the value of the router time-code register, causes a tick-out
to be sent to the SpaceWire links and the external time-code interface. The time-code is propagated to all time-code ports
except the port on which the time-code was received. If the time-code received is not one plus the value of the time-code
register then the time-code register is updated but the tick-out is not performed. In this way, circular network paths do not
cause a constant stream of time-codes to be sent in a loop.
1.7
Control/Status Registers
The control and status registers in the SpaceWire router provide the means to control the operation of the router, set the
router configuration and parameters or monitor the status of the device. The registers are accessed using RMAP
command packets received by the configuration port.
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2.
Typical Applications
The AT7910E SpaceWire router is perfectly suited for development of applications requiring a standalone router, a
terminal node with SpaceWire interface or a mixed configuration of the two previous ones.
2.1
Stand-alone router
The AT7910E SpaceWire Router may be used as a stand-alone router with up to eight SpaceWire links connected to it.
Configuration of the routing tables etc. may be done by sending SpaceWire packets containing configuration commands
to the router.
Figure 2-1. AT7910E as SpaceWire router
2.2
Node interface
The SpaceWire Router has two external ports which enable the device to be used as a node interface. The equipment to
be connected to the SpaceWire network is attached to one or both external ports. One or more SpaceWire ports are used
to provide the connection into the SpaceWire network. Unused SpaceWire ports may be disabled and their outputs tristated to save power. In this arrangement configuration of the routing tables and other parameters may be done by
sending configuration packets from the local host via an external port or from a remote network manager via a SpaceWire
port.
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Figure 2-2. AT7910E as SpaceWire node interface
2.3
Embedded router
The SpaceWire Router device can also be used to provide a node with an embedded router. In this case the external
ports are used to provide the local connections to the node and the SpaceWire ports are used to make connections to
other ports in the network.
Figure 2-3. AT7910E as Embedded Router
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3.
PLL Filter
The AT7910E uses an internal PLL to provide the base transmit clock signal for the SpaceWire interfaces. External
components are required to implement the PLL loop filter and to provide a bias for the PLL VCO.
Note that RVCO, C and C0 are all connected to a quiet common ground track.
Dedicated decoupling capacitors are also required for the PLL power supply.
Figure 3-1. PLL filter and decoupling capacitors
Table 3-1.
PLL filter recommended components
Component
R
C
C0
RVCO
Value
10kW ± 5%, ¼W
120pF, ± 5%
3.3pF, ± 5%
4.7kW for 100-150MHz operation
1.8kW for 150-200MHz operation
Table 3-2.
PLL decoupling capacitors
Component
Cpll1
Cpll2
Value
100nF, ± 5%
10µF, ± 5%
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4.
LVDS Interface
The AT7910E provides 8 SpaceWire link based on LVDS IOs that should comply with the EIA-644 standard
requirements.
The basic LVDS interface consists in a single differential link interconnected between a transmiter and a receiver.
Such a link requires a termination resistor on the receiver side to allow high frequency transfer usage. The nominal
resistor value for the termination resistor 100 ohms. LVDS bidirectional communication principle
Figure 4-1. LVDS interface principle
Caution:
4.1
The AT7910E doesn’t embed the termination resistors on the receivers.
AT7910E Limitation
Due to MH1RT technology limitation, the electrical parameters of the EIA-644 standard can not all be met on the
transmitters of the AT7910E
Figure 4-2. Output electrical characteristics
Voh
Vol
Vod
Vos
Gnd
Table 4-1.
AT7910E LVDS TX feature
Parameter
VOS min
VOS max
VOD Min
VOD Max
DeltaVOD
DeltaVOS
(dynamic)
TIA/EIA
Standard
AT7910E
Unit
mV
50
800
1568
247
550
50
150
200
mV
1125
1375
247
454
mV
mV
mV
mV
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4.2
AT7910E Compatibility with LVDS receiver Standards
The LVDS driver produces a differential voltage across a 100-Ω load in the range of 247mV to 550mV with a typical offset
voltage of 1.2V relative to ground.
The recommended voltage applied to the LVDS receiver is between ground and 2.4 V with a common mode range of
0.05V to 2.35V. The receiver has a sensitivity level of ±100 mV to correctly assume the intended binary state. The LVDS
interconnecting media must be matched with the 100ohm termination resistor located at the inputs of the receiver.
Figure 4-3. Transmitter to Receiver electrical characteristics
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5.
Package Information
5.1
Package Outline
5.1.1
MQFPF 196
Here is a presentation of the mechanical outline of the 196 pins Ceramic Quad Flat Pack (CQFP 196) package used for
the AT7910E.
Figure 5-1. MQFPF 196 package
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Table 5-1.
Pin Assignment
Pin Assignment
Pin Number
Name
Pin
Number
Name
Pin
Number
Name
Pin
Number
Name
Pin
Number
1
VDDB
41
VSSB
81
SIN-7
121
EXTINDATA9_6
161
EXTTIMEIN2
Name
2
CLK
42
VSSA
82
SOUT-7
122
EXTINDATA9_7
162
EXTTIMEIN3
3
RST
43
VDDA
83
SOUT+7
123
EXTINDATA9_8
163
EXTTIMEIN4
4
TESTIOE
44
VDDB
84
VSSB
124
EXTINFULL9
164
EXTTIMEIN5
5
TESTE
45
DOUT-3
85
VDDB
125
VSSB
165
EXTTIMEIN6
6
FEEDBDIV0
46
DOUT+3
86
DOUT-7
126
VDDB
166
EXTTIMEIN7
7
VSSA
47
DIN+4
87
DOUT+7
127
EXTINWRITE9
167
SELEXTTIME
8
VDDA
48
DIN-4
88
DIN+8
128
EXTOUTDATA10_0
168
TIMECTRRST
9
FEEDBDIV1
49
LVDS_REF
89
DIN-8
129
EXTOUTDATA10_1
169
EXTTICKOUT
10
FEEDBDIV2
50
SIN+4
90
SIN+8
130
EXTOUTDATA10_2
170
EXTTIMEOUT0
11
VSSB
51
SIN-4
91
VSSA
131
EXTOUTDATA10_3
171
EXTTIMEOUT1
12
VDDPLL
52
SOUT-4
92
VDDA
132
EXTOUTDATA10_4
172
EXTTIMEOUT2
13
VCOBias
53
SOUT+4
93
SIN-8
133
EXTOUTDATA10_5
173
EXTTIMEOUT3
14
LOOPFILTER
54
DOUT-4
94
SOUT-8
134
VSSB
174
VSSB
15
VSSPLL
55
DOUT+4
95
SOUT+8
135
VDDB
175
VDDB
16
VDDB
56
VSSA
96
DOUT-8
136
EXTOUTDATA10_6
176
EXTTIMEOUT4
17
DIN+1
57
VDDA
97
DOUT+8
137
EXTOUTDATA10_7
177
EXTTIMEOUT5
18
DIN-1
58
VSSB
98
VSSB
138
EXTOUTDATA10_8
178
EXTTIMEOUT6
19
SIN+1
59
VDDB
99
VDDB
139
EXTOUTEMPTY10
179
EXTTIMEOUT7
20
SIN-1
60
DIN+5
100
EXTOUTDATA9_0
140
VSSA
180
STATMUXADDR0
21
SOUT-1
61
DIN-5
101
EXTOUTDATA9_1
141
VDDA
181
STATMUXADDR1
22
SOUT+1
62
SIN+5
102
EXTOUTDATA9_2
142
EXTOUTREAD10
182
STATMUXADDR2
23
DOUT-1
63
SIN-5
103
EXTOUTDATA9_3
143
EXTINDATA10_0
183
STATMUXADDR3
24
DOUT+1
64
SOUT-5
104
EXTOUTDATA9_4
144
EXTINDATA10_1
184
VSSB
25
DIN+2
65
SOUT+5
105
VSSA
145
EXTINDATA10_2
185
VDDB
26
DIN-2
66
DOUT-5
106
VDDA
146
EXTINDATA10_3
186
STATMUXOUT0
27
SIN+2
67
DOUT+5
107
EXTOUTDATA9_5
147
EXTINDATA10_4
187
STATMUXOUT1
28
SIN-2
68
DIN+6
108
VSSB
148
EXTINDATA10_5
188
STATMUXOUT2
29
VSSB
69
DIN-6
109
VDDB
149
EXTINDATA10_6
189
VSSA
30
VDDB
70
SIN+6
110
EXTOUTDATA9_6
150
EXTINDATA10_7
190
VDDA
31
SOUT-2
71
SIN-6
111
EXTOUTDATA9_7
151
EXTINDATA10_8
191
STATMUXOUT3
32
SOUT+2
72
VSSB
112
EXTOUTDATA9_8
152
EXTINFULL10
192
STATMUXOUT4
33
DOUT-2
73
VDDB
113
EXTOUTEMPTY9
153
EXTINWRITE10
193
STATMUXOUT5
34
DOUT+2
74
SOUT-6
114
EXTOUTREAD9
154
VSSA
194
STATMUXOUT6
35
DIN+3
75
SOUT+6
115
EXTINDATA9_0
155
VDDA
195
STATMUXOUT7
36
DIN-3
76
DOUT-6
116
EXTINDATA9_1
156
VSSB
196
VSSB
37
SIN+3
77
DOUT+6
117
EXTINDATA9_2
157
VDDB
38
SIN-3
78
DIN+7
118
EXTINDATA9_3
158
EXTTICKIN
39
SOUT-3
79
DIN-7
119
EXTINDATA9_4
159
EXTTIMEIN0
40
SOUT+3
80
SIN+7
120
EXTINDATA9_5
160
EXTTIMEIN1
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5.2
Pin Description
Table 5-2.
Pin Description
Signal Name(1)(3)
Type(2)
VDDA
VDDB
VDDPLL
VSSA
VSSB
VSSPLL
LVDSRef
VCOBias
LoopFilter
CLK
I
RST*
FEEDBDIV[2:0]
I
I
DOUT+[1:8]
DOUT-[1:8]
SOUT+[1:8]
SOUT-[1:8]
DIN+[1:8]
DIN-[1:8]
SIN+[1:8]
SIN-[1:8]
O
EXTOUTDATA9[8:0]
O
EXTINDATA9[8:0]
I
EXTOUTEMPTY9*
O
EXTOUTREAD9*
I
EXTINFULL9*
O
EXTINWRITE9*
EXTOUTDATA10[8:0]
I
O
EXTINDATA10[8:0]
I
EXTOUTEMPTY10*
O
O
I
I
Function
Buffer type
3.3V Power for the device
POWER
Ground for the device
POWER
LVDS Power reference for the device
Bias for the PLL VCO (Rvco)
Internal PLL filter
POWER
System Clock - Provides the reference clock for all the
AT7910E modules except the SpaceWire interface
receivers
Asynchronous active low system reset
PLL feedback divider configuration - Set the internal PLL
output clock rate
Differential output pair - Data part of Data-Strobe
SpaceWire link 1 to 8.
Differential output pair - Strobe part of Data-Strobe
SpaceWire link 1 to 8.
Differential input pair - Data part of Data-Strobe
SpaceWire link 1 to 8.
Differential input pair - Strobe part of Data-Strobe
SpaceWire link 1 to 8.
CMOS3V3
CMOS3V3
CMOS3V3
LVDS+ LVDSLVDS+ LVDSLVDS+ LVDSLVDS+ LVDS-
Output data from external port zero FIFO.
Bit eight determines the data type data, EOP or EEP
Input data from external port zero FIFO.
Bit eight determines the data type data, EOP or EEP
FIFO ready signal for external output port zero. When high
the FIFO has data. When low the FIFO is empty
Asserted Low to read from the external output port zero
FIFO.
FIFO ready signal for external input port zero. When high
there is space in the FIFO so it can be written to. When
low the FIFO is full.
Asserted Low to write to the external input port zero FIFO.
Output data from external port one FIFO.
Bit eight determines the data type data, EOP or EEP
Input data from external port one FIFO.
Bit eight determines the data type data, EOP or EEP
FIFO ready signal for external output port one. When high
the FIFO has data. When low the FIFO is empty
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
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Signal Name(1)(3)
Type(2)
Function
Buffer type
EXTOUTREAD10*
I
Asserted Low to read from the external output port one
FIFO.
FIFO ready signal for external input port one. When high
there is space in the FIFO so it can be written to. When
low the FIFO is full.
Asserted Low to write to the external input port one FIFO.
CMOS3V3
EXTINFULL10*
O
EXTINWRITE10*
I
EXTTICKIN
I
The rising edge of the EXT_TICK_IN signal is used to
indicate when a time- code is to be sent
EXT_TIME_IN(7:0) provides the value of the time-code to
be distributed by the router
If SEL_EXT_TIME is high on the rising edge of
EXT_TICK_IN the value on EXT_TIME_IN(7:0) is loaded
into the internal time-code register and propagated by the
router.
This signal causes the internal time-code counter to be
reset to zero.
The falling edge of EXT_TICK_OUT is used to indicated
the reception of a time-code.
Received time-code value which is valid when
EXT_TICK_OUT is asserted.
CMOS3V3
EXTTIMEIN[7:0]
I
SELEXTTIME
I
TIMECTRRST
I
EXTTICKOUT
O
EXTTIMEOUT[7:0]
O
STATMUXADDR[3:0]
I
Select the error indication status signals to be output on
STAT_MUX_OUT
After reset the STAT_MUX_OUT pins are inputs which
define the power on configuration status of the router.
After the power on reset configuration of the router has
been read from STAT_MUX_OUT the pins are driven as
outputs by the router.
CMOS3V3
STATMUXOUT[7:0]
I/O
TESTEN
I
Shall be tied to ground
CMOS3V3
TESTIOEN
I
Shall be tied to ground
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
CMOS3V3
Notes:
1. Groups of pins represent busses where the highest number is the MSB.
2. O = Output; I = Input; I/O = Input/Output
3. XXX* = active low signal
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5.3
Electrical Characteristics
5.4
Absolute Maximum Ratings
*Notice:
Table: Absolute rating ltside
Supply Voltage (VCC)…………….……......................................... -0.5V to +4V
I/O Voltage…………………………………………………..….-0.5V to VCC+0.5V
Storage Temperature (Tstg).....................................................-65 C to +150 C
Junction Temperature (Tj)………………………………………….………...175 C
Junction to Case Thermal resistance (RThjc) .........................................5 C /W
5.5
DC Electrical Characteristics
Table 5-3.
3.3V operating range DC Characteristics
Parameter
Symbol
Operating Temperature
Operating Voltage
Input HIGH Voltage
Input LOW Voltage
Output HIGH Voltage
Output LOW Voltage
Output Short circuit current
5.6
Stresses at or above those listed
under "Absolute Maximum Ratings”
may cause permanent damage to
the device. This is a stress rating
only and functional operation of the
device at these or any other
conditions beyond those indicated
in the operational sections of this
specification are not implied.
Exposure to absolute maximum
rating conditions for extended
periods may affect device reliability
VCC
VIH
VIL
VOH
VOL
IOS
Min.
-55
3.0
2.0
Max.
Unit
125
3.6
V
V
V
V
V
mA
mA
0.8
2.4
0.4
23
13
Conditions
IOL = 3, 6, 12mA / VCC = VCC(min)
IOH = 3, 6, 12mA / VCC = VCC(min)
VOUT = VCC
VOUT = GND
Power consumption
Maximum power consumption figures at Vcc = 3.6V are presented in the following table.
Table 5-4.
3.3V Power Consumption
Operation Mode
(1)
ICCSB - Standby
(2)
ICCOP - SpaceWire links On
Power consumption [W]
1.8
2.6
Notes:
1. Dynamic power with all interfaces active including external ports.
2. Clock Frequency @ 3.12MHz, all SpW links active @3.12Mbps, no data transfert.
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5.7
AC Electrical Characteristics
The following table gives the worst case timings measured by Atmel on the 3.0V to 3.6V operating range
Table 5-5.
3.3V operating range timings
(1)
Parameter
Symbol
Propagation delay CLK Low to DOUT0 High
Min.
Max.
Unit
Tp0
16
ns
Propagation delay CLK Low to DOUT1 High
Tp1
16
ns
Propagation delay CLK Low to DOUT2 High
Tp2
16
ns
Propagation delay CLK Low to DOUT3 High
Tp3
16
ns
Propagation delay CLK Low to DOUT4 High
Tp4
16
ns
Propagation delay CLK Low to DOUT5 High
Tp5
16
ns
Propagation delay CLK Low to DOUT6 High
Tp6
16
ns
Propagation delay CLK Low to DOUT7 High
Tp7
16
ns
Propagation delay CLK Low to DOUT0 Low
Tp8
16
ns
Propagation delay CLK Low to DOUT1 Low
Tp9
16
ns
Propagation delay CLK Low to DOUT2 Low
Tp10
16
ns
Propagation delay CLK Low to DOUT3 Low
Tp11
16
ns
Propagation delay CLK Low to DOUT4 Low
Tp12
16
ns
Propagation delay CLK Low to DOUT5 Low
Tp13
16
ns
Propagation delay CLK Low to DOUT6 Low
Tp14
16
ns
Propagation delay CLK Low to DOUT7 Low
Tp15
16
ns
Propagation delay CLK Low to SOUT0 High
Tp16
16
ns
Propagation delay CLK Low to SOUT1 High
Tp17
16
ns
Propagation delay CLK Low to SOUT2 High
Tp18
16
ns
Propagation delay CLK Low to SOUT3 High
Tp19
16
ns
Propagation delay CLK Low to SOUT4 High
Tp20
16
ns
Propagation delay CLK Low to SOUT5 High
Tp21
16
ns
Propagation delay CLK Low to SOUT6 High
Tp22
16
ns
Propagation delay CLK Low to SOUT7 High
Tp23
16
ns
Propagation delay CLK Low to SOUT0 Low
Tp24
16
ns
Propagation delay CLK Low to SOUT1 Low
Tp25
16
ns
Propagation delay CLK Low to SOUT2 Low
Tp26
16
ns
Propagation delay CLK Low to SOUT3 Low
Tp27
16
ns
Propagation delay CLK Low to SOUT4 Low
Tp28
16
ns
Propagation delay CLK Low to SOUT5 Low
Tp29
16
ns
Propagation delay CLK Low to SOUT6 Low
Tp30
16
ns
Propagation delay CLK Low to SOUT7 Low
Tp31
16
ns
AT7910E [DATASHEET]
7796G AERO 02/13
17
Note:
1. The timing parameters presented in the above table are measured under production configuration (PLL
bypassed and test mode enabled). During normal operation (PLL active and test mode disabled) the
propagation delay is directly linked to the PLL . Then, the timing figures are not applicable under
application conditions.
For guaranteed timings refer to the “Switching Characteristics” section of the ‘SpW-10X SpaceWire Router User
Manual’.
AT7910E [DATASHEET]
7796G AERO 02/13
18
6.
Ordering Information
6.1
AT7910E Ordering Codes
Atmel Ordering Code
Package Type
Temperature Range
AT7910EKB-E
MQFPF196
25°C
5962-09A0301QXC
MQFPF196
-55°C to +125°C
5962-09A0301VXC
MQFPF196
-55°C to +125°C
5962R09A0301VXC
MQFPF196
-55°C to +125°C
(*) according to Atmel Quality flow document 4288, see Atmel web site
Quality Level
Engineering sample
QML_Q
QML_V
QMLV-RHA
AT7910E [DATASHEET]
7796G AERO 02/13
19
7.
Revision History
Doc. Rev.
Date
Comments
B
02-2009
Corrected pinout error: pin 190 is VDDA and not VSSB. See Table 1 on page 6.
C
06-2009
Corrected ICCop Value.See Table 7-3 on page 14
D
07-2009
Removing untested ICCop Value.See Table 7-3 on page 14
E
07-2009
SMD Part numbers added.
F
08-2009
Remove Atmel Part numbers.
G
02-2013
Template update
Addition of VOS min/max
Addition of VOD min/max
AT7910E [DATASHEET]
7796G AERO 02/13
20
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