參數(shù)資料
型號(hào): CY62148DV30
廠商: Cypress Semiconductor Corp.
英文描述: 4-Mb (512K x 8) MoBL Static RAM(4-Mb(512K x 8) MoBL靜態(tài)RAM)
中文描述: 4 MB的(為512k × 8)的MoBL靜態(tài)存儲(chǔ)器(4 MB的(為512k × 8)的MoBL靜態(tài)內(nèi)存)
文件頁數(shù): 6/10頁
文件大?。?/td> 326K
代理商: CY62148DV30
CY62148DV30
Document #: 38-05341 Rev. *C
Page 6 of 10
Read Cycle No. 2 (OE Controlled)
[15, 16]
Write Cycle No. 1 (WE Controlled)
[17, 19]
Notes:
16.Address valid prior to or coincident with CE transition LOW.
17.Data I/O is high impedance if OE = V
.
18.During this period, the I/Os are in output state and input signals should not be applied.
19.If CE goes HIGH simultaneously with WE HIGH, the output remains in high-impedance state.
Switching Waveforms
(continued)
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
DATA OUT
HIGH IMPEDANCE
IMPEDANCE
I
CC
I
SB
t
HZOE
t
HZCE
t
PD
OE
CE
HIGH
V
SUPPLY
CURRENT
ADDRESS
t
HD
t
SD
t
PWE
t
SA
t
HA
t
AW
t
WC
DATA I/O
ADDRESS
CE
WE
OE
t
HZOE
DATA
IN
VALID
NOTE
18
t
SCE
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