參數資料
型號: CY7C09579V
廠商: Cypress Semiconductor Corp.
英文描述: 3.3V 32K x 36 FLEx36 Synchronous Dual-Port Static RAM(3.3V 32K x 36 同步雙端口靜態(tài) RAM)
中文描述: 3.3 32K的× 36 FLEx36同步雙端口靜態(tài)RAM(3.3 32K的× 36同步雙端口靜態(tài)RAM)的
文件頁數: 22/30頁
文件大?。?/td> 1059K
代理商: CY7C09579V
CY7C09569V
CY7C09579V
Document #: 38-06054 Rev. *B
Page 22 of 30
Pipelined Read of State of Address Counter
[33, 34, 35]
Flow-Through Read of State of Address Counter
[33, 34, 36]
Notes:
33.CE = OE = V
; R/W = CNTRST = V
.
34.When reading ADDRESS
in x9 Bus Match mode, readout of A
is extended by 1 cycle.
35.For Pipelined address counter read, signals from address counter operation table from must be valid for 2 consecutive cycles for x36 and x18 mode and for 3
consecutive cycles for x9 mode.
36.For flow-through address counter read, signals from address counter operation table must be valid for consecutive cycles for x36.
Switching Waveforms
(continued)
CNTEN
CLK
t
CH2
t
CL2
t
CYC2
ADDRESS
ADS
A
n
Q
x-2
Q
x-1
Q
n
A
n
Q
n+1
Q
n+2
t
SA
t
HA
t
SAD
t
HAD
t
SCN
t
HCN
t
SCN
t
HCN
t
SCN
t
HCN
t
SAD
t
HAD
LOAD
EXTERNAL
ADDRESS
COUNTER
HOLD
READ WITH COUNTER
t
CA2
INTERNAL
ADDRESS
A
n+1
A
n+2
A
n
READ WITH
COUNTER
t
DC
READ COUNTER ADDRESS
DATA
OUT
CNTEN
CLK
t
CH1
t
CL1
ADDRESS
ADS
A
n
Q
x
Q
n
A
n
Q
n+1
Q
n+2
t
SA
t
HA
t
SAD
t
HAD
t
SCN
t
HCN
t
SCN
t
HCN
t
SCN
t
HCN
t
SAD
t
HAD
LOAD
EXTERNAL
ADDRESS
t
CYC1
COUNTER
HOLD
READ WITH COUNTER
Q
n+3
t
DC
t
CA1
INTERNAL
ADDRESS
A
n
A
n+1
A
n+2
A
n+3
DATA
OUT
READ COUNTER ADDRESS
READ WITH
COUNTER
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相關代理商/技術參數
參數描述
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