Cypress CY7C372I Ultralogic 64-macrocell flash cpld Datasheet

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CY7C372i
UltraLogic™ 64-Macrocell Flash CPLD
Features
Functional Description
• 64 macrocells in four logic blocks
The CY7C372i is an In-System Reprogrammable Complex
Programmable Logic Device (CPLD) and is part of the
FLASH370i™ family of high-density, high-speed CPLDs. Like
all members of the FLASH370i family, the CY7C372i is
designed to bring the ease of use and high performance of the
22V10, as well as PCI Local Bus Specification support, to
high-density CPLDs.
• 32 I/O pins
• Five dedicated inputs including two clock pins
• In-System Reprogrammable (ISR™) Flash technology
— JTAG interface
• Bus Hold capabilities on all I/Os and dedicated inputs
Like all of the UltraLogic™ FLASH370i devices, the CY7C372i
is electrically erasable and ISR, which simplifies both design
and manufacturing flows, thereby reducing costs. The
Cypress ISR function is implemented through a JTAG serial
interface. Data is shifted in and out through the SDI and SDO
pins. The ISR interface is enabled using the programming
voltage pin (ISREN). Additionally, because of the superior
routability of the FLASH370i devices, ISR often allows users to
change existing logic designs while simultaneously fixing
pinout assignments.
• No hidden delays
• High speed
— fMAX = 125 MHz
— tPD = 10 ns
— tS = 5.5 ns
— tCO = 6.5 ns
• Fully PCI compliant
The 64 macrocells in the CY7C372i are divided between four
logic blocks. Each logic block includes 16 macrocells, a
72 x 86 product term array, and an intelligent product term
allocator.
• 3.3V or 5.0V I/O operation
• Available in 44-pin PLCC, TQFP, and CLCC packages
• Pin-compatible with the CY7C371i
The logic blocks in the FLASH370i architecture are connected
with an extremely fast and predictable routing resource—the
Programmable Interconnect Matrix (PIM). The PIM brings
flexibility, routability, speed, and a uniform delay to the interconnect.
Logic Block Diagram
INPUTS
3
INPUT
MACROCELLS
CLOCK
INPUTS
2
INPUT/CLOCK
MACROCELLS
2
2
8 I/Os
I/O0-I/O7
8 I/Os
I/O8-I/O15
LOGIC
BLOCK
A
36
16
16
LOGIC
BLOCK
B
36
36
16
16
PIM
36
•
8 I/Os
LOGIC
BLOCK
C
8 I/Os
I/O24-I/O31
I/O16-I/O23
16
16
Cypress Semiconductor Corporation
Document #: 38-03033 Rev. *A
LOGIC
BLOCK
D
3901 North First Street
•
San Jose, CA 95134
•
408-943-2600
Revised April 16, 2004
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CY7C372i
Selection Guide
7C372i-125
Maximum Propagation
Delay[1]
, tPD (ns)
7C372i-100
7C372i-83
7C372iL-83
7C372i-66
7C372iL-66
10
12
15
15
20
20
Minimum Set-up, tS (ns)
5.5
6.0
8
8
10
10
Maximum Clock to Output[1], tCO (ns)
6.5
6.5
8
8
10
10
Typical Supply Current, ICC (mA)
75
75
75
45
75
45
Pin Configurations
39
38
37
36
35
34
33
32
31
30
29
18 19 20 21 22 23 24 25 26 27 28
I/O27/SDI
I/O26
I/O25
I/O24
CLK1/I 4
GND
I3
I2
I/O23
I/O22
I/O21
I/O20
7
8
9
10
11
12
13
14
15
16
17
I/O18
I/O19 /SDO
CLK1/I 4
GND
I3
I2
I/O23
I/O22
I/O21
I/O5/SCLK
I/O6
I/O7
I0
ISREN
GND
CLK0/I 1
I/O8
I/O9
I/O10
I/O11
I/O12
I/O 13 /SMODE
I/O14
I/O15
V
CC
GND
I/O16
I/O17
I/O27/SDI
I/O26
I/O25
I/O24
I/O19 /SDO
I/O20
39
38
37
36
35
34
33
32
31
30
29
18 19 20 21 22 23 24 25 26 27 28
I/O12
I/O13 /SMODE
I/O14
I/O15
V
CCINT
GND
I/O16
I/O17
I/O18
7
8
9
10
11
12
13
14
15
16
17
I/O29
I/O28
6 5 4 3 2 1 44 43 42 41 40
6 5 4 3 2 1 44 43 42 41 40
I/O5/SCLK
I/O6
I/O7
I0
ISREN
GND
CLK0/I 1
I/O8
I/O9
I/O10
I/O11
I/O31
I/O30
I/O 4
I/O 3
I/O 2
I/O 1
I/O 0
GND
VCC
I/O28
I/O29
CLCC
TopView
I/O31
I/O30
I/O 1
I/O 0
GND
VCCIO
I/O 2
I/O 4
I/O 3
PLCC
TopView
Note:
1. The 3.3V I/O mode timing adder, t3.3IO, must be added to this specification when VCCIO = 3.3V.
Document #: 38-03033 Rev. *A
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Functional Description
Like all members of the FLASH370i family, the CY7C372i is rich
in I/O resources. Every two macrocells in the device feature
an associated I/O pin, resulting in 32 I/O pins on the
CY7C372i. In addition, there are three dedicated inputs and
two input/clock pins.
Finally, the CY7C372i features a very simple timing model.
Unlike other high-density CPLD architectures, there are no
hidden speed delays such as fanout effects, interconnect
delays, or expander delays. Regardless of the number of
resources used. or the type of application, the timing parameters on the CY7C372i remain the same.
Logic Block
The number of logic blocks distinguishes the members of the
FLASH370i family. The CY7C372i includes four logic blocks.
Each logic block is constructed of a product term array, a
product term allocator, and 16 macrocells.
Product Term Array
The product term array in the FLASH370i logic block includes
36 inputs from the PIM and outputs 86 product terms to the
product term allocator. The 36 inputs from the PIM are
available in both positive and negative polarity, making the
overall array size 72 x 86. This large array in each logic block
allows for very complex functions to be implemented in a
single pass through the device.
Product Term Allocator
The product term allocator is a dynamic, configurable resource
that shifts product terms to macrocells that require them. Any
number of product terms between 0 and 16 inclusive can be
assigned to any of the logic block macrocells (this is called
product term steering). Furthermore, product terms can be
shared among multiple macrocells. This means that product
terms that are common to more than one output can be implemented in a single product term. Product term steering and
product term sharing help to increase the effective density of
the FLASH370 PLDs. Note that product term allocation is
handled by software and is invisible to the user.
I/O Macrocell
Half of the macrocells on the CY7C372i have separate I/O pins
associated with them. In other words, each I/O pin is shared
by two macrocells. The input to the macrocell is the sum of
between 0 and 16 product terms from the product term
allocator. The macrocell includes a register that can be
optionally bypassed. It also has polarity control, and two global
clocks to trigger the register. The I/O macrocell also features
a separate feedback path to the PIM so that the register can
be buried if the I/O pin is used as an input.
Buried Macrocell
The buried macrocell is very similar to the I/O macrocell.
Again, it includes a register that can be configured as combinatorial, as a D flip-flop, a T flip-flop, or a latch. The clock for
this register has the same options as described for the I/O
macrocell. One difference on the buried macrocell is the
addition of input register capability. The user can program the
buried macrocell to act as an input register (D-type or latch)
whose input comes from the I/O pin associated with the neigh-
Document #: 38-03033 Rev. *A
CY7C372i
boring macrocell. The output of all buried macrocells is sent
directly to the PIM regardless of its configuration.
Programmable Interconnect Matrix
The Programmable Interconnect Matrix (PIM) connects the
four logic blocks on the CY7C372i to the inputs and to each
other. All inputs (including feedbacks) travel through the PIM.
There is no speed penalty incurred by signals traversing the
PIM.
Programming
For an overview of ISR programming, refer to the FLASH370i
Family data sheet and for ISR cable and software specifications, refer to ISR data sheets. For a detailed description of
ISR capabilities, refer to the Cypress application note, “An
Introduction to In System Reprogramming with FLASH370i.”
PCI Compliance
The FLASH370i family of CMOS CPLDs are fully compliant with
the PCI Local Bus Specification published by the PCI Special
Interest Group. The simple and predictable timing model of
FLASH370i ensures compliance with the PCI AC specifications
independent of the design. On the other hand, in CPLD and
FPGA architectures without simple and predictable timing, PCI
compliance is dependent upon routing and product term distribution.
3.3V or 5.0V I/O operation
The FLASH370i family can be configured to operate in both
3.3V and 5.0V systems. All devices have two sets of VCC pins:
one set, VCCINT, for internal operation and input buffers, and
another set, VCCIO, for I/O output drivers. VCCINT pins must
always be connected to a 5.0V power supply. However, the
VCCIO pins may be connected to either a 3.3V or 5.0V power
supply, depending on the output requirements. When VCCIO
pins are connected to a 5.0V source, the I/O voltage levels are
compatible with 5.0V systems. When VCCIO pins are
connected to a 3.3V source, the input voltage levels are
compatible with both 5.0V and 3.3V systems, while the output
voltage levels are compatible with 3.3V systems. There will be
an additional timing delay on all output buffers when operating
in 3.3V I/O mode. The added flexibility of 3.3V I/O capability is
available in commercial and industrial temperature ranges.
Bus Hold Capabilities on all I/Os and Dedicated Inputs
In addition to ISR capability, a new feature called bus-hold has
been added to all FLASH370i I/Os and dedicated input pins.
Bus-hold, which is an improved version of the popular internal
pull-up resistor, is a weak latch connected to the pin that does
not degrade the device’s performance. As a latch, bus-hold
recalls the last state of a pin when it is three-stated, thus
reducing system noise in bus-interface applications. Bus-hold
additionally allows unused device pins to remain unconnected
on the board, which is particularly useful during prototyping as
designers can route new signals to the device without cutting
trace connections to VCC or GND.
Design Tools
Development software for the CY7C372i is available from
Cypress’s Warp™, Warp Professional™, and Warp Enterprise™ software packages. Please refer to the data sheets on
these products for more details. Cypress also actively
supports almost all third-party design tools. Please refer to
third-party tool support for further information.
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Maximum Ratings
CY7C372i
Output Current into Outputs ........................................ 16 mA
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature ................................. –65°C to +150°C
Ambient Temperature with
Power Applied............................................. –55°C to +125°C
Static Discharge Voltage........................................... > 2001V
(per MIL–STD–883, Method 3015)
Latch-up Current..................................................... > 200 mA
Operating Range
Supply Voltage to Ground Potential ............... –0.5V to +7.0V
Range
Ambient
Temperature
DC Voltage Applied to Outputs
in High-Z State ............................................... –0.5V to +7.0V
Commercial
0°C to +70°C
DC Input Voltage............................................ –0.5V to +7.0V
Industrial
−40°C to +85°C
5V ± 0.5V
Military[2]
–55°C to +125°C
5V ± 0.5V
Test Conditions
Min.
DC Program Voltage .....................................................12.5V
VCC
VCCINT
VCCIO
5V ± 0.25V 5V ± 0.25V or
3.3V ± 0.3V
5V ± 0.5V
3.3V ± 0.3V
Electrical Characteristics Over the Operating Range[3, 4]
Parameter
Description
Typ.
Max.
Unit
VOH
Output HIGH Voltage
VCC = Min. IOH = –3.2 mA (Com’l/Ind)[5]
VOHZ
Output HIGH Voltage with
Output Disabled[8]
VCC = Max. IOH = 0 µA (Com’l/Ind)[5, 6]
4.0
V
IOH = –50 µA
3.6
V
VOL
Output LOW Voltage
VCC = Min. IOL = 16 mA (Com’l/Ind)[5]
0.5
V
0.5
V
VIH
Input HIGH Voltage
Guaranteed Input Logical HIGH Voltage for all
Inputs[7]
2.0
7.0
V
VIL
Input LOW Voltage
Guaranteed Input Logical LOW Voltage for all
Inputs[7]
–0.5
0.8
V
IIX
Input Load Current
VI = Internal GND, VI = VCC
–10
+10
µA
IOZ
Output Leakage Current
VCC = Max., VO = GND or VO = VCC, Output
Disabled
–50
+50
µA
IOH = –2.0 mA (Mil)
2.4
V
2.4
V
(Com’l/Ind)[5, 6]
IOL = 12 mA (Mil)
VCC = Max., VO = 3.3V, Output Disabled[6]
IOS
Output Short
Circuit Current[8, 9]
VCC = Max., VOUT = 0.5V
ICC
Power Supply Current [10]
VCC = Max., IOUT = 0 mA,
f = 1 MHz, VIN = GND, VCC
0
–70
–30
Com’l/Ind.
75
–125
µA
–160
mA
125
mA
Com’l “L” –66
45
75
mA
Military
75
200
mA
IBHL
Input Bus Hold LOW
Sustaining Current
VCC = Min., VIL = 0.8V
+75
µA
IBHH
Input Bus Hold HIGH
Sustaining Current
VCC = Min., VIH = 2.0V
–75
µA
IBHLO
Input Bus Hold LOW
Overdrive Current
VCC = Max.
+500
µA
IBHHO
Input Bus Hold HIGH
Overdrive Current
VCC = Max.
−500
µA
Notes:
2. TA is the “instant on” case temperature.
3. See the last page of this specification for Group A subgroup testing information.
4. If VCCIO is not specified, the device can be operating in either 3.3V or 5V I/O mode; VCC = VCCINT.
5. For SDO: IOH =–2 mA, IOL = 2 mA.
6. When the I/O is three-stated, the bus-hold circuit can weakly pull the I/O to a maximum of 4.0V if no leakage current is allowed. This voltage is lowered significantly
by a small leakage current. Note that all I/Os are three-stated during ISR programming. Refer to the application note “Understanding Bus Hold” for additional
information.
7. These are absolute values with respect to device ground. All overshoots due to system or tester noise are included.
8. Not more than one output should be tested at a time. Duration of the short circuit should not exceed 1 second. VOUT = 0.5V has been chosen to avoid test
problems caused by tester ground degradation.
9. Tested initially and after any design or process changes that may affect these parameters.
10. Measured with 16-bit counter programmed into each logic block.
Document #: 38-03033 Rev. *A
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CY7C372i
Capacitance[9]
Parameter
CI/O
Description
[11, 12]
CCLK
Test Conditions
Input Capacitance
VIN = 5.0V at f = 1 MHz
Clock Signal Capacitance
VIN = 5.0V at f = 1 MHz
Min.
Max.
Unit
8
pF
5
12
pF
Inductance[9]
Parameter
Description
L
Maximum Pin Inductance
Test Conditions
44-Lead CLCC
44-Lead PLCC
Unit
2
5
nH
VIN = 5.0V at f = 1 MHz
Endurance Characteristics[9]
Parameter
N
Description
Maximum Reprogramming Cycles
Test Conditions
Max.
Unit
Normal Programming Conditions
100
Cycles
AC Test Loads and Waveforms
238Ω (com'l)
319Ω (mil)
238Ω (com'l)
319Ω (mil)
5V
5V
OUTPUT
OUTPUT
170Ω (com'l)
236Ω (mil)
35 pF
INCLUDING
JIG AND
SCOPE
170Ω (com'l)
236Ω (mil)
5 pF
INCLUDING
JIG AND
SCOPE
(a)
(b)
ALL INPUT PULSES
THÉVENIN EQUIVALENT
99Ω (com'l)
136Ω (mil)
2.08V(com'l)
OUTPUT
2.13V(mil)
3.0V
Equivalent to:
Parameter[13]
Vx
tER(–)
1.5V
90%
< 2 ns
(c)
V X
0.5V
2.6V
0.5V
V X
1.5V
0.5V
V X
tEA(–)
< 2 ns
Output Waveform Measurement Level
V OL
tEA(+)
10%
10%
GND
V OH
tER(+)
90%
V OH
Vthe
V X
0.5V
V OL
(d) Test Waveforms
Note:
11. CI/O for dedicated Inputs, and for I/O pins with JTAG functionality is 12 pF Max., and for ISREN is 15 pF Max.
12. CI/O for CLCC package is 15 pF Max.
13. tER measured with 5-pF AC Test Load and tEA measured with 35-pF AC Test Load.
Document #: 38-03033 Rev. *A
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CY7C372i
Switching Characteristics Over the Operating Range [14]
Parameter
Description
7C372i-125
7C372i-100
7C372i-83
7C372iL-83
7C372i-66
7C372iL-66
Min.
Min.
Min.
Min.
Max.
Max.
Max.
Max.
Unit
Combinatorial Mode Parameters
tPD
Input to Combinatorial Output[1]
10
12
15
20
ns
tPDL
Input to Output Through Transparent Input or
Output Latch[1]
13
15
18
22
ns
tPDLL
Input to Output Through Transparent Input and
Output Latches[1]
15
16
19
24
ns
tEA
Input to Output Enable[1]
14
16
19
24
ns
tER
Input to Output Disable
14
16
19
24
ns
Input Registered/Latched Mode Parameters
tWL
Clock or Latch Enable Input LOW Time[9]
tWH
Clock or Latch Enable Input HIGH
Time[9]
3
3
4
5
ns
tIS
Input Register or Latch Set-Up Time
2
2
3
4
ns
tIH
Input Register or Latch Hold Time
2
tICO
Input Register Clock or Latch Enable to
Combinatorial Output[1]
14
16
19
24
ns
tICOL
Input Register Clock or Latch Enable to Output
Through Transparent Output Latch[1]
16
18
21
26
ns
10
ns
3
3
4
2
5
3
ns
4
ns
Output Registered/Latched Mode Parameters
tCO
Clock or Latch Enable to Output[1]
tS
Set-Up Time from Input to Clock or Latch Enable
tH
Register or Latch Data Hold Time
tCO2
Output Clock or Latch Enable to Output Delay
(Through Memory Array)[1]
tSCS
Output Clock or Latch Enable to Output Clock
or Latch Enable (Through Memory Array)
8
10
12
15
ns
tSL
Set-Up Time from Input Through Transparent
Latch to Output Register Clock or Latch Enable
10
12
15
20
ns
tHL
Hold Time for Input Through Transparent Latch
from Output Register Clock or Latch Enable
0
0
0
0
ns
fMAX1
Maximum Frequency with Internal Feedback in
Output Registered Mode (Least of 1/tSCS,
1/(tS + tH), or 1/tCO)[9]
125
100
83
66
MHz
fMAX2
Maximum Frequency Data Path in Output
Registered/Latched Mode (Lesser of 1/(tWL +
tWH), 1/(tS + tH), or 1/tCO)[9]
153.8
153.8
125
100
MHz
fMAX3
Maximum Frequency with External Feedback
(Lesser of 1/(tCO + tS) and 1/(tWL + tWH))[9]
83.3
80
62.5
50
MHz
tOH-tIH
37x
Output Data Stable from Output clock Minus
Input Register Hold Time for 7C37x[9, 15]
0
0
0
0
ns
6.5
5.5
6.5
6
0
0
14
8
8
10
0
16
ns
0
19
ns
24
ns
Pipelined Mode Parameters
tICS
Input Register Clock to Output Register Clock
8
10
12
15
ns
fMAX4
Maximum Frequency in Pipelined Mode (Least
of 1/(tCO + tIS), 1/tICS, 1/(tWL + tWH), 1/(tIS + tIH), or
1/tSCS)[9]
125
100
83.3
66.6
MHz
Notes:
14. All AC parameters are measured with 16 outputs switching and 35-pF AC Test Load.
15. This specification is intended to guarantee interface compatibility of the other members of the CY7C370i family with the CY7C372i. This specification is met for
the devices operating at the same ambient temperature and at the same power supply voltage.
Document #: 38-03033 Rev. *A
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CY7C372i
Switching Characteristics Over the Operating Range (continued)[14]
Parameter
Description
7C372i-125
7C372i-100
7C372i-83
7C372iL-83
7C372i-66
7C372iL-66
Min.
Min.
Min.
Min.
Max.
Max.
Max.
Max.
Unit
Reset/Preset Parameters
tRW
Asynchronous Reset Width[9]
10
12
15
20
ns
tRR
Asynchronous Reset Recovery Time[9]
12
14
17
22
ns
[1]
tRO
Asynchronous Reset to Output
tPW
Asynchronous Preset Width[9]
10
16
tPR
Asynchronous Preset Recovery Time[9]
12
tPO
Asynchronous Preset to Output[1]
18
12
14
16
21
15
17
18
26
20
22
21
ns
ns
ns
26
ns
Tap Controller Parameter
fTAP
Tap Controller Frequency
500
500
500
500
kHz
3.3V I/O Mode Parameters
t3.3IO
3.3V I/O Mode Timing Adder
1
1
1
1
ns
Switching Waveforms
Combinatorial Output
INPUT
tPD
COMBINATORIAL
OUTPUT
Registered Output
INPUT
tS
tH
CLOCK
tCO
REGISTERED
OUTPUT
tWH
tWL
CLOCK
Document #: 38-03033 Rev. *A
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CY7C372i
Switching Waveforms (continued)
Latched Output
INPUT
tH
tS
LATCH ENABLE
tCO
tPDL
LATCHED
OUTPUT
Registered Input
REGISTERED
INPUT
tIH
tIS
INPUT REGISTER
CLOCK
tICO
COMBINATORIAL
OUTPUT
tWH
tWL
CLOCK
Clock to Clock
REGISTERED
INPUT
INPUT REGISTER
CLOCK
tICS
tSCS
OUTPUT
REGISTER CLOCK
Document #: 38-03033 Rev. *A
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CY7C372i
Switching Waveforms (continued)
Latched Input and Output
LATCHED INPUT
tPDLL
LATCHED
OUTPUT
tICOL
tSL
tHL
INPUT LATCH
ENABLE
tICS
OUTPUT LATCH
ENABLE
tWH
tWL
LATCH ENABLE
Asynchronous Reset
tRW
INPUT
tRO
REGISTERED
OUTPUT
tRR
CLOCK
Asynchronous Preset
tPW
INPUT
tPO
REGISTERED
OUTPUT
tPR
CLOCK
Document #: 38-03033 Rev. *A
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CY7C372i
Switching Waveforms (continued)
Output Enable/Disable
INPUT
tER
tEA
OUTPUTS
Ordering Information
Speed
(MHz)
Ordering Code
Package
Name
Package Type
Operating
Range
125
CY7C372i-125JC
J67
44-Lead Plastic Leaded Chip Carrier
Commercial
100
CY7C372i-100JC
J67
44-Lead Plastic Leaded Chip Carrier
Commercial
CY7C372i-100JI
J67
44-Lead Plastic Leaded Chip Carrier
Industrial
83
83
66
66
CY7C372i-83JC
J67
44-Lead Plastic Leaded Chip Carrier
Commercial
CY7C372i-83JI
J67
44-Lead Plastic Leaded Chip Carrier
Industrial
CY7C372i-83YMB
Y67
44-Lead Ceramic Leaded Chip Carrier
Military
CY7C372iL-83JC
J67
44-Lead Plastic Leaded Chip Carrier
Commercial
CY7C372i-66JC
J67
44-Lead Plastic Leaded Chip Carrier
Commercial
CY7C372i-66JI
J67
44-Lead Plastic Leaded Chip Carrier
Industrial
CY7C372i-66YMB
Y67
44-Lead Ceramic Leaded Chip Carrier
Military
CY7C372iL-66JC
J67
44-Lead Plastic Leaded Chip Carrier
Commercial
Document #: 38-03033 Rev. *A
Page 10 of 13
USE ULTRA37000™
FOR ALL NEW DESIGNS
CY7C372i
MILITARY SPECIFICATIONS
Group A Subgroup Testing
DC Characteristics
Parameter
Subgroups
VOH
1, 2, 3
VOL
1, 2, 3
VIH
1, 2, 3
VIL
1, 2, 3
IIX
1, 2, 3
IOZ
1, 2, 3
ICC
1, 2, 3
Switching Characteristics
Parameter
Subgroups
tPD
9, 10, 11
tCO
9, 10, 11
tICO
9, 10, 11
tS
9, 10, 11
tH
9, 10, 11
tIS
9, 10, 11
tIH
9, 10, 11
tICS
9, 10, 11
Package Diagrams
44-Lead Plastic Leaded Chip Carrier J67
51-85003-*A
Document #: 38-03033 Rev. *A
Page 11 of 13
USE ULTRA37000™
FOR ALL NEW DESIGNS
CY7C372i
Package Diagrams (continued)
44-Pin Ceramic Leaded Chip Carrier Y67
51-80014-**
ISR, UltraLogic, FLASH370, FLASH370i, Warp, Warp Professional, and Warp Enterprise, are trademarks of Cypress Semiconductor
Corporation.
Document #: 38-03033 Rev. *A
Page 12 of 13
© Cypress Semiconductor Corporation, 2004. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use
of any circuitry other than circuitry embodied in a Cypress Semiconductor product. Nor does it convey or imply any license under patent or other rights. Cypress Semiconductor does not authorize
its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress
Semiconductor products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress Semiconductor against all charges.
USE ULTRA37000™
FOR ALL NEW DESIGNS
CY7C372i
Document History Page
Document Title: CY7C372i UltraLogic™ 64-Macrocell Flash CPLD
Document Number: 38-03033
REV.
ECN NO. Issue Date
Orig. of
Change
Decsription of Change
**
106378
06/18/01
SZV
Change from Spec# 38-00498 to 38-03033
*A
213375
See ECN
FSG
Added note to title page: “Use Ultra37000 For All New Designs”
Document #: 38-03033 Rev. *A
Page 13 of 13
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