參數(shù)資料
型號(hào): CY62148
廠商: Cypress Semiconductor Corp.
英文描述: 512K x 8 Static RAM(512K x 8 靜態(tài)RAM)
中文描述: 為512k × 8靜態(tài)存儲(chǔ)器(為512k × 8靜態(tài)RAM)的
文件頁數(shù): 5/9頁
文件大?。?/td> 157K
代理商: CY62148
CY62148
5
PRELIMINARY
Read Cycle No. 2 (OE Controlled)
[10, 11]
Write Cycle No. 1 (CE Controlled)
[12, 13]
Notes:
11. Address valid prior to or coincident with CE transition LOW.
12. Data I/O is high-impedance if OE = V
.
13. If CE goes HIGH simultaneously with WE going HIGH, the output remains in a high-impedance state.
Switching Waveforms
(continued)
62148-8
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
HIGH IMPEDANCE
t
HZOE
t
HZCE
t
PD
HIGH
OE
CE
ISB
IMPEDANCE
ADDRESS
DATA OUT
V
CC
SUPPLY
CURRENT
62148-9
t
WC
DATA VALID
t
AW
t
SA
t
PWE
t
HA
t
HD
t
SD
t
SCE
CE
ADDRESS
WE
DATA I/O
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