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CY7C344
CY7C344B
11
Switching Waveforms
tACO1
External Combinatorial
External Synchronous
External Asynchronous
tPD1/tPD2
tER
tEA
VALID OUTPUT
DEDICATED INPUT/
I/O INPUT
COMBINATORIAL
OUTPUT
COMBINATORIAL OR
REGISTERED OUTPUT
C344–8
HIGH-IMPEDANCE
THREE-STATE
HIGH-IMPEDANCE
THREE-STATE
tH
tS
tWH
tWL
tRR/tPR
tRW/tPW
tOH
tCO1
tRO/tPO
tCO2
C344–9
DEDICATED INPUTS OR
REGISTERED FEEDBACK
SYNCHRONOUS
CLOCK
ASYNCHRONOUS
CLEAR/PRESET
REGISTERED
OUTPUTS
COMBINATORIAL OUTPUT FROM
REGISTERED FEEDBACK
tAH
tAS
tAWH
tAWL
tRR/tPR
tRW/tPW
tAOH
tRO/tPO
tACO2
ASYNCHRONOUS
CLOCK INPUT
ASYNCHRONOUS REGISTERED
OUTPUTS
DEDICATED INPUTS OR
REGISTERED FEEDBACK
ASYNCHRONOUS
CLEAR/PRESET
COMBINATORIAL OUTPUT FROM
ASYNCH. REGISTERED
FEEDBACK
C344–10
[12]
[19]