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Part Name
Description
CY7C197B View Datasheet(PDF) - Cypress Semiconductor
Part Name
Description
Manufacturer
CY7C197B
256 Kb (256K x 1) Static RAM
Cypress Semiconductor
CY7C197B Datasheet PDF : 10 Pages
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9
10
Timing Waveforms
Read Cycle No. 1
8 9
t
RC
Address
Data Out
Read Cycle No. 2
8
t
AA
t
OHA
Previous Data Valid
t
RC
Address
CE
Data Out
High Z
I
CC
Vcc Supply Current
I
SB
t
ACE
t
LZCE
t
PU
50%
CY7C197B
Data Valid
t
HZCE
Data Valid
High Z
t
PD
50%
Notes:
8. WE is HIGH for ready cycle.
9. Device is continuously selected, CE = V
IL
.
Document #: 38-05410 Rev. **
Page 7 of 10
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