參數(shù)資料
型號: CY62138V
廠商: Cypress Semiconductor Corp.
英文描述: 256K x 8 Static RAM
中文描述: 256K × 8靜態(tài)RAM
文件頁數(shù): 5/9頁
文件大小: 175K
代理商: CY62138V
CY7C1020
5
Switching Waveforms
Notes:
8.
9.
10. Address valid prior to or coincident with CE transition LOW.
Device is continuously selected. OE, CE, BHE and/or BHE = V
IL
.
WE is HIGH for read cycle.
Read Cycle No. 1
PREVIOUS DATA VALID
DATA VALID
t
RC
t
AA
t
OHA
1020-5
ADDRESS
DATA OUT
[8, 9]
Read Cycle No. 2(OEControlled)
1020-6
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
HIGH IMPEDANCE
t
HZOE
t
HZBE
t
PD
HIGH
OE
CE
ICC
I
I
SB
IMPEDANCE
ADDRESS
DATA OUT
V
CC
SUPPLY
CURRENT
t
DBE
t
LZBE
t
HZCE
BHE, BLE
[9, 10]
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