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CY7C342B
USE ULTRA37000TM FOR
ALL NEW DESIGNS
Document #: 38-03014 Rev. *B
Page 8 of 14
Commercial and Industrial Typical Internal Switching Characteristics Over Operating Range (continued)
Parameter
Description
7C342B-25
7C342B-30
7C342B-35
Unit
Min.
Max.
Min.
Max.
Min.
Max.
tCOMB
[9]
Transparent Mode Delay
3
4
4
ns
tIC
Asynchronous Clock Logic Delay
14
16
16
ns
tICS
Synchronous Clock Delay
3
2
1
ns
tFD
Feedback Delay
1
1
2
ns
tPRE
Asynchronous Register Preset Time
5
6
7
ns
tCLR
Asynchronous Register Clear Time
5
6
7
ns
tPIA
Programmable Interconnect Array Delay Time
14
16
20
ns
Switching Waveforms
External Combinatorial
DEDICATED INPUT/
I/O INPUT
COMBINATORIAL
OUTPUT
tPD1/tPD2
tWL
tSU
tH
LOGIC ARRAY
tWH
External Synchronous
CLOCK AT REGISTER
SYNCHRONOUS
SYNCHRONOUS
LOGIC ARRAY
DATA FROM
REGISTERED
CLOCK PIN
OUTPUTS
tCO1
External Asynchronous
tAH
tAS1
tAWH
tAWL
DEDICATED INPUTS OR
REGISTERED FEEDBACK
ASYNCHRONOUS
CLOCK INPUT
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