TI SN74ABTE16245DGG

SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
D
D
D
D
D
D
D
D
D
Members of the Texas Instruments
Widebus Family
Support the VME64 ETL Specification
Reduced, TTL-Compatible, Input Threshold
Range
High-Drive Outputs (IOH = –60 mA,
IOL = 90 mA) Support 25-Ω Incident-Wave
Switching
VCCBIAS Pin Minimizes Signal Distortion
During Live Insertion
Internal Pullup Resistor on OE Keeps
Outputs in High-Impedance State During
Power Up or Power Down
Distributed VCC and GND Pins Minimize
High-Speed Switching Noise
Equivalent 25-Ω Series Damping Resistor
on B Port
Bus Hold on Data Inputs Eliminates the
Need for External Pullup/Pulldown
Resistors
SN54ABTE16245 . . . WD PACKAGE
SN74ABTE16245 . . . DGG OR DL PACKAGE
(TOP VIEW)
1DIR
1B1
2B1
GND
1B2
2B2
VCC
1B3
2B3
GND
1B4
2B4
1B5
2B5
GND
1B6
2B6
VCC
1B7
2B7
GND
1B8
2B8
2DIR
description
1
48
2
47
3
46
4
45
5
44
6
43
7
42
8
41
9
40
10
39
11
38
12
37
13
36
14
35
15
34
16
33
17
32
18
31
19
30
20
29
21
28
VCCBIAS
1A1
2A1
GND
1A2
2A2
VCC
1A3
2A3
GND
1A4
2A4
1A5
2A5
GND
1A6
2A6
VCC
1A7
2A7
GND
1A8
2A8
OE
The ’ABTE16245 devices are 16-bit (dual-octal)
22
27
noninverting 3-state transceivers designed for
23
26
synchronous two-way communication between
24
25
data buses. The control-function implementation
minimizes external timing requirements. These
devices can be used as two 8-bit transceivers or
one 16-bit transceiver. They allow data transmission from the A bus to the B bus or from the B bus to the A bus,
depending on the logic level at the direction-control (DIR) input. The output-enable (OE) input can be used to
disable the device so that the buses are effectively isolated. When OE is low, the device is active.
The B port has an equivalent 25-Ω series output resistor to reduce ringing. Active bus-hold inputs also are on
the B port to hold unused or floating inputs at a valid logic level.
The A port provides for the precharging of the outputs via VCCBIAS, which establishes a voltage between 1.3 V
and 1.7 V when VCC is not connected.
Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors
with the bus-hold circuitry is not recommended.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Widebus is a trademark of Texas Instruments.
Copyright  2001, Texas Instruments Incorporated
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
On products compliant to MIL-PRF-38535, all parameters are tested
unless otherwise noted. On all other products, production
processing does not necessarily include testing of all parameters.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
1
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
ORDERING INFORMATION
–40°C to 85°C
ORDERABLE
PART NUMBER
PACKAGE†
TA
SSOP – DL
TSSOP – DGG
Tube
SN74ABTE16245DL
Tape and reel
SN74ABTE16245DLR
Tape and reel
SN74ABTE16245DGGR
TOP-SIDE
MARKING
ABTE16245
ABTE16245
–55°C to 125°C CFP – WD
Tube
SNJ54ABTE16245WD
SNJ54ABTE16245WD
† Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are
available at www.ti.com/sc/package.
FUNCTION TABLE
(each 8-bit section)
INPUTS
DIR
OE
OPERATION
L
L
A data to B bus
L
H
B data to A bus
H
X
Isolation
logic diagram (positive logic)
1DIR
OE
1B1
1
2DIR
24
25
2
2B1
47
3
46
1A1
To Seven Other Channels
2A1
To Seven Other Channels
absolute maximum ratings over operating free-air temperature range (unless otherwise noted)‡
Supply voltage range, VCC and VCCBIAS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
Input voltage range, VI (except I/O ports) (see Note 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5 V to 7 V
Voltage range applied to any output in the high state or power-off state, VO . . . . . . . . . . . . . . –0.5 V to 5.5 V
Current into any output in the low state, IO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128 mA
Input clamp current, IIK (VI < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –18 mA
Output clamp current, IOK (VO < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –50 mA
Package thermal impedance, θJA (see Note 2): DGG package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70°C/W
DL package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63°C/W
Storage temperature range, Tstg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –65°C to 150°C
‡ Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only, and
functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
NOTES: 1. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed.
2. The package thermal impedance is calculated in accordance with JESD 51-7.
2
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
recommended operating conditions (see Note 3)
VCC,
VCCBIAS
Supply voltage
VIH
High level input voltage
High-level
VIL
Low level input voltage
Low-level
VI
Input voltage
IOH
High level output current
High-level
IOL
Low level output current
Low-level
∆t/∆v
Input transition rise or fall rate
OE
Except OE
SN54ABTE16245
SN74ABTE16245
MIN
NOM
MAX
MIN
NOM
MAX
4.5
5
5.5
4.5
5
5.5
2
2
1.6
1.6
0.8
0.8
Except OE
1.4
1.4
0
V
V
OE
0
UNIT
B bus
VCC
–12
VCC
–12
A bus
–24
–60
B bus
12
12
A bus
64
90
Outputs enabled
10
10
V
V
mA
mA
ns/V
TA
Operating free-air temperature
–55
125
–40
85
°C
NOTE 3: All unused control inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
3
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
VIK
B port
VOH
VCC = 4.5 V,
VCC = 5.5 V,
II = –18 mA
IOH = –100 µA
5V
VCC = 4
4.5
IOH = –1 mA
IOH = –12 mA
VCC = 5.5 V,
A port
VCC = 4
4.5
5V
B port
5V
VCC = 4
4.5
A port
VCC = 4
4.5
5V
II
IOZH‡
IOZL‡
IO
B port
Control inputs
A or B ports
A port
A port
A port
B port
Ioff
ICC
A or B ports
ICCD
A or B ports
Ci
Control inputs
Cio
I/O ports
MIN
2
4.5
2.4
VCC = 5
5.5
5V
V,
VI = VCC or GND
VCC = 5.5 V,
VCC = 5.5 V,
VO = 2.7 V
VO = 0.5 V
5V
VCC = 5
5.5
V,
0.4
0.8
0.55
0.55
V
0.9
100
100
–100
–100
µA
±500
±500
±1
±1
±20
±20
10
10
µA
–10
µA
–10
VCC = 0, VI or VO ≤ 4.5 V, VCCBIAS = 0
Outputs high
VCC = 5.5
5 5 V,
V IO = 0
0,
Outputs low
VI = VCC or GND
Outputs disabled
–50
–120
–180
–50
–180
–25
–52
–90
–25
–90
±100
±100
28
36
28
36
38
48
38
48
20
32
20
32
OE high
0.02
0.02
OE low
0.33
0.33
VI = 2.5 V or 0.5 V
VO = 2.5 V or 0.5 V
POST OFFICE BOX 655303
V
2.4
† All typical values are at VCC = 5 V, TA = 25°C.
‡ The parameters IOZH and IOZL include the input leakage current.
4
V
2
5V
VO = 2
2.5
VCC = 5 V,,
CL = 50 pF
4.5
0.4
IOL = 90 mA
VI = 0.8 V
VCC = 5.5 V,
–1.2
VCC–0.2
2
IOL = 12 mA
IOL = 64 mA
VI = 2 V
VI = 0 to 5.5 V
–1.2
UNIT
2.4
IOH = –64 mA
IOL = 1 mA
VCC = 4
4.5
5V
SN74ABTE16245
TYP†
MAX
MIN
VCC–0.2
2.4
IOH = –1 mA
IOH = –32 mA
VOL
II(hold)
(
)
SN54ABTE16245
TYP†
MAX
TEST CONDITIONS
• DALLAS, TEXAS 75265
µA
mA
µA
mA
mA/
MHz
10
2.5
4
pF
13
4.5
8
pF
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
live-insertion specifications over recommended operating free-air temperature range
PARAMETER
ICC (VCCBIAS)
SN54ABTE16245
TYP†
MAX
TEST CONDITIONS
SN74ABTE16245
TYP†
MAX
MIN
VCC = 0 to 4.5 V, VCCBIAS = 4.5 V to 5.5 V,
IO(DC) = 0
VCC = 4.5 V to 5.5 V‡, VCCBIAS = 4.5 V to 5.5 V,
IO(DC) = 0
VO
A port
VCC = 0
VCCBIAS = 4.5 V to 5.5 V
VCCBIAS = 4.75 V to 5.25 V
IO
A port
VCC = 0
0,
VCCBIAS = 4
4.5
5V
250
MIN
700
250
UNIT
700
µA
20
VO = 0
VO = 3 V
20
1.1
1.5
1.9
1.1
1.5
1.9
1.3
1.5
1.7
1.3
1.5
1.7
–20
–100
–20
–100
µA
20
100
20
100
µA
V
† All typical values are at VCC = 5 V, TA = 25°C.
‡ VCC – 0.5 V < VCCBIAS
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature, CL = 50 pF (unless otherwise noted) (see Figure 2)
FROM
(INPUT)
TO
(OUTPUT)
tPLH
tPHL
A
B
tPLH
tPHL
B
A
tPZH
tPZL
OE
A
tPZH
tPZL
OE
B
tPHZ
tPLZ
OE
A
tPHZ
tPLZ
OE
B
PARAMETER
VCC = 5 V,
TA = 25°C
SN54ABTE16245
SN74ABTE16245
MIN
TYP
MAX
MIN
MAX
MIN
MAX
1.5
3.3
4.2
1.5
5.4
1.5
5.2
1.5
3.8
4.6
1.5
5.4
1.5
5.2
1.5
3
3.8
1.5
4.7
1.5
4.5
1.5
3.1
4
1.5
4.7
1.5
4.5
2
3.9
5.3
2
6.4
2
6.2
2
4.4
5.9
2
7
2
6.8
2
4.5
6
2
7.3
2
7.1
2
5
6.4
2
7.5
2
7.3
2
4.9
5.9
2
7
2
6.7
2
3.7
4.6
2
5.4
2
5.1
2
5.2
6.2
2
7.2
2
7
2
4
5
2
5.8
2
5.5
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
UNIT
ns
ns
ns
ns
ns
ns
5
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
extended switching characteristics over recommended ranges of supply voltage and operating
free-air temperature, CL = 50 pF (unless otherwise noted) (see Figure 2)
PARAMETER
tPLH
FROM
(INPUT)
TO
(OUTPUT)
LOAD
B
A
RX = 13 Ω
B
A
RX = 26 Ω
B
A
RX = 56 Ω
B
A
A
B
B
tsk(o)
tt†
tt‡
UNIT
MAX
MIN
MAX
MIN
MAX
1.5
3.2
4
1.5
5
1.5
4.8
1.5
3.8
4.7
1.5
5.8
1.5
5.6
1.5
3.1
4
1.5
4.8
1.5
4.6
1.5
3.5
4.4
1.5
5.2
1.5
4.9
1.5
3
3.8
1.5
4.7
1.5
4.5
1.5
3.3
4.2
1.5
5.1
1.5
4.7
RX = Open
0.1
0.6
2
2
RX = Open
0.4
0.8
2
2
A
RX = 26 Ω
0.3
0.8
2
2
B
A
RX = Open
0.3
0.7
1.3
1.3
A
B
RX = Open
0.7
1.1
1.3
1.3
B
A
RX = 26 Ω
0.5
1
B
A
RX = 26 Ω
0.5
0.8
1.5
0.5
1.5
0.5
1.5
ns
A
B
RX = Open
3.5
5.5
7.3
3.5
8.1
3.5
7.9
ns
tPHL
tsk(
sk(p))
SN74ABTE16245
TYP
tPHL
tPLH
SN54ABTE16245
MIN
tPHL
tPLH
VCC = 5 V,
TA = 25°C
1.3
ns
ns
ns
ns
ns
1.3
† tt is measured between 1 V and 2 V of the output waveform.
‡ tt is measured between 10% and 90% of the output waveform.
extended output characteristics over recommended ranges of supply voltage and operating
free-air temperature, CL = 50 pF (see Figures 1 and 2)
PARAMETER
tsk(temp)
k(t
)
tsk(load)
6
FROM
(INPUT)
TO
(OUTPUT)
A
B
B
A
B
B
SN54ABTE16245
SN74ABTE16245
TEST CONDITIONS
LOAD
VCC = constant,,
∆TA = 20°C
3
2.5
RX = 56 Ω
4.5
4
VCC = constant,
Temperature = constant
RX = 13, 26,
or 56 Ω
4.5
4
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
MIN
MAX
MIN
MAX
UNIT
ns
ns
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
PARAMETER MEASUREMENT INFORMATION
Device 1
A
Y1
A
B
Y2
Yn
Device
1 – Y1
tPLH1
tPHL1
tsk(o)
tsk(load)
In
Device n
Device
1 – Yn
tsk(temp)
Y1
tPLH2
Device
n – Yn
B
Y2
Yn
NOTES: A. Pulse skew, tsk(p), is defined as the difference in propagation-delay times tPLH1 and tPHL1 on the same terminal at identical
operating conditions.
B. Output skew, tsk(o), is defined as the difference in propagation delay of any two outputs of the same device switching in the same
direction (e.g., |tPLH1 – tPLH2|).
C. Temperature skew, tsk(temp), is the output skew of two devices, both having the same value of VCC ± 1% and with package
temperature differences of 20°C.
D. Load skew, tsk(load), is measured with RX in Figure 2 at 13 W for one unit and 56 W for the other unit.
Figure 1. Voltage Waveforms for Extended Characteristics
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
7
SN54ABTE16245, SN74ABTE16245
16-BIT INCIDENT-WAVE SWITCHING BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCBS226J – JULY 1993 – REVISED DECEMBER 2001
PARAMETER MEASUREMENT INFORMATION
7V
S2
500 Ω
3.65 V
94 Ω
S1
RX†
From Output
Under Test
CL = 50 pF
(see Note A)
SWITCHING TABLE
LOADS
tPLH/tPHL (A and B port)
tPLZ/tPZL
tPHZ/tPZH
Open
500 Ω
2 nF
EXTENDED
SWITCHING TABLE
LOADS
tPLH/tPHL/tsk (A port)
tPLH/tPHL/tsk (B port)
tt (A port) (see Note E)
tt (B port) (see Note F)
S1
S2
Up
Up
Up
Open
7V
Open
S1
S2
Down
Up
Down
Up
X
Open
X
Open
† RX = 13, 26, or 56 Ω
3V
Output
Control
(low-level
enabling)
LOAD CIRCUIT FOR OUTPUTS
1.5 V
0V
tPZL
3V
Input
1.5 V
1.5 V
0V
tPLH
VOH
Output
Output
Waveform 1
S2 at 7 V
(see Note B)
1.5 V
1.5 V
VOL
tPLZ
3.5 V
1.5 V
tPZH
tPHL
Output
Waveform 2
S2 at Open
(see Note B)
VOLTAGE WAVEFORMS
PROPAGATION DELAY TIMES
1.5 V
VOL + 0.3 V
VOL
tPHZ
1.5 V
VOH
VOH – 0.3 V
≈0 V
VOLTAGE WAVEFORMS
ENABLE AND DISABLE TIMES
NOTES: A. CL includes probe and jig capacitance.
B. Waveform 1 is for an output with internal conditions such that the output is low except when disabled by the output control.
Waveform 2 is for an output with internal conditions such that the output is high except when disabled by the output control.
C. All input pulses are supplied by generators having the following characteristics: PRR ≤ 10 MHz, ZO = 50 Ω, tr ≤ 2.5 ns, tf ≤ 2.5 ns.
D. The outputs are measured one at a time with one transition per measurement.
E. tt is measured between 1 V and 2 V of the output waveform.
F. tt is measured between 10% and 90% of the output waveform.Figure 1
Figure 2. Load Circuit and Voltage Waveforms
8
POST OFFICE BOX 655303
• DALLAS, TEXAS 75265
PACKAGE OPTION ADDENDUM
www.ti.com
28-Feb-2005
PACKAGING INFORMATION
Orderable Device
Status (1)
Package
Type
Package
Drawing
Pins Package Eco Plan (2)
Qty
Lead/Ball Finish
MSL Peak Temp (3)
5962-9677501QXA
ACTIVE
CFP
WD
48
1
None
Call TI
SN74ABTE16245DGGR
ACTIVE
TSSOP
DGG
48
2000
Pb-Free
(RoHS)
CU NIPDAU
Level-NC-NC-NC
Level-1-250C-UNLIM
SN74ABTE16245DL
ACTIVE
SSOP
DL
48
25
None
CU NIPDAU
Level-1-235C-UNLIM
SN74ABTE16245DLR
ACTIVE
SSOP
DL
48
1000
None
CU NIPDAU
Level-1-235C-UNLIM
SNJ54ABTE16245WD
ACTIVE
CFP
WD
48
1
None
Call TI
Level-NC-NC-NC
(1)
The marketing status values are defined as follows:
ACTIVE: Product device recommended for new designs.
LIFEBUY: TI has announced that the device will be discontinued, and a lifetime-buy period is in effect.
NRND: Not recommended for new designs. Device is in production to support existing customers, but TI does not recommend using this part in
a new design.
PREVIEW: Device has been announced but is not in production. Samples may or may not be available.
OBSOLETE: TI has discontinued the production of the device.
(2)
Eco Plan - May not be currently available - please check http://www.ti.com/productcontent for the latest availability information and additional
product content details.
None: Not yet available Lead (Pb-Free).
Pb-Free (RoHS): TI's terms "Lead-Free" or "Pb-Free" mean semiconductor products that are compatible with the current RoHS requirements
for all 6 substances, including the requirement that lead not exceed 0.1% by weight in homogeneous materials. Where designed to be soldered
at high temperatures, TI Pb-Free products are suitable for use in specified lead-free processes.
Green (RoHS & no Sb/Br): TI defines "Green" to mean "Pb-Free" and in addition, uses package materials that do not contain halogens,
including bromine (Br) or antimony (Sb) above 0.1% of total product weight.
(3)
MSL, Peak Temp. -- The Moisture Sensitivity Level rating according to the JEDECindustry standard classifications, and peak solder
temperature.
Important Information and Disclaimer:The information provided on this page represents TI's knowledge and belief as of the date that it is
provided. TI bases its knowledge and belief on information provided by third parties, and makes no representation or warranty as to the
accuracy of such information. Efforts are underway to better integrate information from third parties. TI has taken and continues to take
reasonable steps to provide representative and accurate information but may not have conducted destructive testing or chemical analysis on
incoming materials and chemicals. TI and TI suppliers consider certain information to be proprietary, and thus CAS numbers and other limited
information may not be available for release.
In no event shall TI's liability arising out of such information exceed the total purchase price of the TI part(s) at issue in this document sold by TI
to Customer on an annual basis.
Addendum-Page 1
IMPORTANT NOTICE
Texas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, modifications,
enhancements, improvements, and other changes to its products and services at any time and to discontinue
any product or service without notice. Customers should obtain the latest relevant information before placing
orders and should verify that such information is current and complete. All products are sold subject to TI’s terms
and conditions of sale supplied at the time of order acknowledgment.
TI warrants performance of its hardware products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are used to the extent TI
deems necessary to support this warranty. Except where mandated by government requirements, testing of all
parameters of each product is not necessarily performed.
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Following are URLs where you can obtain information on other Texas Instruments products and application
solutions:
Products
Applications
Amplifiers
amplifier.ti.com
Audio
www.ti.com/audio
Data Converters
dataconverter.ti.com
Automotive
www.ti.com/automotive
DSP
dsp.ti.com
Broadband
www.ti.com/broadband
Interface
interface.ti.com
Digital Control
www.ti.com/digitalcontrol
Logic
logic.ti.com
Military
www.ti.com/military
Power Mgmt
power.ti.com
Optical Networking
www.ti.com/opticalnetwork
Microcontrollers
microcontroller.ti.com
Security
www.ti.com/security
Telephony
www.ti.com/telephony
Video & Imaging
www.ti.com/video
Wireless
www.ti.com/wireless
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