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CY7C167A-25VC データシートの表示(PDF) - Cypress Semiconductor
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コンポーネント説明
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CY7C167A-25VC
16K x 1 Static RAM
Cypress Semiconductor
CY7C167A-25VC Datasheet PDF : 9 Pages
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CY7C167A
Switching Waveforms
Read Cycle No. 1
[10, 11]
t
RC
ADDRESS
DATA OUT
t
AA
t
OHA
PREVIOUS DATA VALID
DATA VALID
Read Cycle No. 2
[10, 12]
t
RC
CE
DATA OUT
t
ACE
t
LZCE
HIGH IMPEDANCE
V
CC
SUPPLY
CURRENT
t
PU
50%
C167A-5
DATA VALID
t
HZCE
HIGH
IMPEDANCE
t
PD
50%
I
CC
I
SB
C167A-6
Write Cycle No. 1 (WE Controlled)
[9]
ADDRESS
CE
WE
DATA IN
t
SCE
t
AW
t
SA
DATA I/O
DATA UNDEFINED
t
WC
t
HA
t
PWE
t
SD
t
HD
DATA
IN
VALID
t
HZWE
t
LZWE
HIGH IMPEDANCE
Notes:
10. WE is high for read cycle.
11. Device is continuously selected, CE = V
IL
.
12. Address valid prior to or coincident with CE transition LOW.
C167A-7
Document #: 38-05027 Rev. **
Page 4 of 9
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