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CY14B101K
Document Number: 001-06401 Rev. *I Page 17 of 28
AC Switching Characteristics
Parameter
Description
25 ns 35 ns 45 ns
Unit
Min Max Min Max Min Max
Cypress
Parameter
Alt.
Parameter
SRAM Read Cycle
t
ACE
t
ELQV
Chip Enable Access Time 25 35 45 ns
t
RC
[11]
t
AVAV,
t
ELEH
Read Cycle Time 25 35 45 ns
t
AA
[12]
t
AVQV
Address Access Time 25 35 45 ns
t
DOE
t
GLQV
Output Enable to Data Valid 12 15 20 ns
t
OHA
[12]
t
AXQX
Output Hold After Address Change 3 3 3 ns
t
LZCE
[13]
t
ELQX
Chip Enable to Output Active 3 3 3 ns
t
HZCE
[13]
t
EHQZ
Chip Disable to Output Inactive 10 13 15 ns
t
LZOE
[13]
t
GLQX
Output Enable to Output Active 0 0 0 ns
t
HZOE
[13]
t
GHQZ
Output Disable to Output Inactive 10 13 15 ns
t
PU
[14]
t
ELICCH
Chip Enable to Power Active 0 0 0 ns
t
PD
[14]
t
EHICCL
Chip Disable to Power Standby 25 35 45 ns
Figure 8. SRAM Read Cycle 1: Address Controlled
[11, 12, 15]
Figure 9. SRAM Read Cycle 2: CE and OE Controlled
[11, 15]
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Notes
11. WE
is HIGH during SRAM Read Cycles.
12.Device is continuously selected with CE and OE both Low.
13.Measured ±200 mV from steady state output voltage.
14.These parameters are guaranteed by design and are not tested.
15.HSB
must remain HIGH during READ and WRITE cycles.
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