參數(shù)資料
型號(hào): CY7C09199
廠商: Cypress Semiconductor Corp.
英文描述: 128K x 9 Synchronous Dual-Port Static RAM(128K x 9 同步雙端口靜態(tài)RAM)
中文描述: 128K的× 9同步雙端口靜態(tài)存儲(chǔ)器(128K的× 9同步雙端口靜態(tài)RAM)的
文件頁(yè)數(shù): 11/20頁(yè)
文件大?。?/td> 337K
代理商: CY7C09199
CY7C09079/89/99
CY7C09179/89/99
11
PRELIMINARY
Pipelined Read-to-Write-to-Read (OE = V
IL
)
[17, 24, 25, 26]
Pipelined Read-to-Write-to-Read (OE Controlled)
[17, 24, 25, 26]
Notes:
24. Output state (HIGH, LOW, or High-Impedance) is determined by the previous cycle control signals.
25. CE
and ADS = V
; CE
, CNTEN, and CNTRST = V
.
26. During
No operation,
data in memory at the selected address may be corrupted and should be rewritten to ensure data integrity.
Switching Waveforms
(continued)
t
CYC2
t
CL2
t
CH2
t
HC
t
SC
t
HW
t
SW
t
HA
t
SA
t
HW
t
SW
t
CD2
t
CKHZ
t
SD
t
HD
t
CKLZ
t
CD2
NO OPERATION
WRITE
READ
READ
CLK
CE
0
CE
1
R/W
ADDRESS
DATA
IN
DATA
OUT
A
n
A
n+1
A
n+2
A
n+2
D
n+2
A
n+3
A
n+4
Q
n
Q
n+3
t
CYC2
t
CL2
t
CH2
t
HC
t
SC
t
HW
t
SW
t
HA
t
SA
A
n
A
n+1
A
n+2
A
n+3
A
n+4
A
n+5
t
HW
t
SW
t
SD
t
HD
D
n+2
t
CD2
t
OHZ
READ
READ
WRITE
D
n+3
t
CKLZ
t
CD2
Q
n
Q
n+4
CLK
CE
0
CE
1
R/W
ADDRESS
DATA
IN
DATA
OUT
OE
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