CY7C344B-20WC Cypress Semiconductor Corp, CY7C344B-20WC Datasheet - Page 4

• Manufacturer Part Number: CY7C344B-20WC
• Manufacturer: Cypress Semiconductor Corp

Specifications of CY7C344B-20WC

• Family Name: MAX®
• # Macrocells: 32
• Number Of Usable Gates: 600
• Frequency (max): 71.4MHz
• Propagation Delay Time: 20ns
• Number Of Logic Blocks/elements: 1
• # I/os (max): 16
• Operating Supply Voltage (typ): 5V
• In System Programmable: No
• Operating Supply Voltage (min): 4.75V
• Operating Supply Voltage (max): 5.25V
• Operating Temp Range: 0C to 70C
• Operating Temperature Classification: Commercial
• Mounting: Through Hole
• Pin Count: 28
• Package Type: Windowed CDIP
• Memory Type: EPROM
• Lead Free Status / RoHS Status: Not Compliant

Document #: 38-03036 Rev. *D
External Synchronous Switching Characteristics
Parameter
t
t
t
t
t
t
t
f
t
t
f
Notes:
PD1
PD2
SU
CO1
H
WH
WL
MAX
CNT
ODH
CNT
5. C1 = 35 pF
6. The f
7. This parameter is measured with a 32-bit counter programmed into each LAB.
INPUT
MAX
I/O
values represent the highest frequency for pipeline data.
Dedicated Input to Combinatorial Output Delay
I/O Input to Combinatorial Output Delay
Global Clock Set-up Time
Synchronous Clock Input to Output Delay
Input Hold Time from Synchronous Clock Input
Synchronous Clock Input HIGH Time
Synchronous Clock Input LOW Time
Maximum Register Toggle Frequency
Minimum Global Clock Period
Output Data Hold Time After Clock
Maximum Internal Global Clock Frequency
I/O DELAY
DELAY
INPUT
I/O
t
t
IN
IO
Description
SYSTEM CLOCK DELAYt
USE ULTRA37000™ FOR
Figure 1. CY7C344B Timing Model
CONTROLDELAY
ALL NEW DESIGNS
LOGIC ARRAY
LOGIC ARRAY
EXPANDER
DELAY
DELAY
CLOCK
t
DELAY
t
[6]
EXP
t
LAD
LAC
t
IC
[5]
[5]
[7]
[5]
t
t
t
t
CLR
PRE
RSU
RH
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Com’l/Ind
Over Operating Range
ICS
FEEDBACK
DELAY
t
FD
REGISTER
t
t
LATCH
COMB
t
RD
Min.
83.3
76.9
7C344B-15
9
0
6
6
1
Max.
15
15
10
13
Min.
62.5
7C344B-20
12
0
7
7
1
OUTPUT
DELAY
t
t
t
OD
XZ
ZX
Max.
71.4
20
20
12
16
Min.
7C344B-25
CY7C344B
15
50
0
8
8
1
OUTPUT
Page 4 of 12
Max.
62.5
25
25
15
20
MHz
MHz
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
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