CY7C419/21/25/29/33
Document #: 38-06001 Rev. *B Page 7 of 25
Switching Characteristics Over the Operating Range
[7, 8]
(continued)
7C419–30
7C421–30
7C424–30
7C425–30
7C429–30
7C433–30
7C419–40
7C420–40
7C421–40
7C424–40
7C425–40
7C429–40
7C432–40
7C433–40
7C420–65
7C421–65
7C424–65
7C425–65
7C428–65
7C429–65
7C433–65
Parameter Description Min. Max. Min. Max. Min. Max. Unit
t
RC
Read Cycle Time 40 50 80 ns
t
A
Access Time 30 40 65 ns
t
RR
Read Recovery Time 10 10 15 ns
t
PR
Read Pulse Width 30 40 65 ns
t
LZR
[6,9]
Read LOW to Low Z 3 3 3 ns
t
DVR
[9,10]
Data Valid After Read HIGH 5 5 5 ns
t
HZR
[6,9,10]
Read HIGH to High Z 20 20 20 ns
t
WC
Write Cycle Time 40 50 80 ns
t
PW
Write Pulse Width 30 40 65 ns
t
HWZ
[6,9]
Write HIGH to Low Z 5 5 5 ns
t
WR
Write Recovery Time 10 10 15 ns
t
SD
Data Set-Up Time 18 20 30 ns
t
HD
Data Hold Time 0 0 0 ns
t
MRSC
MR Cycle Time 40 50 80 ns
t
PMR
MR Pulse Width 30 40 65 ns
t
RMR
MR Recovery Time 10 10 15 ns
t
RPW
Read HIGH to MR HIGH 30 40 65 ns
t
WPW
Write HIGH to MR HIGH 30 40 65 ns
t
RTC
Retransmit Cycle Time 40 50 80 ns
t
PRT
Retransmit Pulse Width 30 40 65 ns
t
RTR
Retransmit Recovery Time 10 10 15 ns
t
EFL
MR to EF LOW 40 50 80 ns
t
HFH
MR to HF HIGH 40 50 80 ns
t
FFH
MR to FF HIGH 40 50 80 ns
t
REF
Read LOW to EF LOW 30 35 60 ns
t
RFF
Read HIGH to FF HIGH 30 35 60 ns
t
WEF
Write HIGH to EF HIGH 30 35 60 ns
t
WFF
Write LOW to FF LOW 30 35 60 ns
t
WHF
Write LOW to HF LOW 30 35 60 ns
t
RHF
Read HIGH to HF HIGH 30 35 60 ns
t
RAE
Effective Read from Write HIGH 30 35 60 ns
t
RPE
Effective Read Pulse Width After EF HIGH 30 40 65 ns
t
WAF
Effective Write from Read HIGH 30 35 60 ns
t
WPF
Effective Write Pulse Width After FF HIGH 30 40 65 ns
t
XOL
Expansion Out LOW Delay from Clock 30 40 65 ns
t
XOH
Expansion Out HIGH Delay from Clock 30 40 65 ns
