參數(shù)資料
型號(hào): CY7C1303BV25
廠商: Cypress Semiconductor Corp.
英文描述: 18-Mbit Burst of 2 Pipelined SRAM with QDR Architecture(18Mbit,Burst of 2,QDR結(jié)構(gòu),流水線SRAM)
中文描述: 18兆位的2四年防務(wù)審查架構(gòu)(18Mbit,2突發(fā)流水線SRAM的突發(fā),國防評(píng)估報(bào)告結(jié)構(gòu),流水線的SRAM)
文件頁數(shù): 17/19頁
文件大小: 821K
代理商: CY7C1303BV25
CY7C1306BV25
CY7C1303BV25
Document #: 38-05627 Rev. *A
Page 17 of 19
Switching Waveforms
[25, 26, 27]
Notes:
24.t
, t
, are specified with a load capacitance of 5 pF as in part (b) of AC Test Loads. Transition is measured ± 100 mV from steady-state voltage.
25.Q00 refers to output from address A0. Q01 refers to output from the next internal burst address following A0, i.e., A0+1.
26.Outputs are disabled (High-Z) one clock cycle after a NOP.
27.In this example, if address A2 = A1 then data Q2 0= D10 and Q21 = D11. Write data is forwarded immediately as read results.This note applies to the whole diagram.
READ
1
READ
3
WRITE
4
WRITE
6
WRITE
2
NOP
7
READ
5
WRITE
8
NOP
9
K
10
K
RPS
WPS
A
Q
D
C
C
A1
A0
D10
tKH
tKHKH
tKHCH
tCO
tKL
tCYC
tHC
t
SA
t
HA
t
HD
tKHCH
DON’T CARE
UNDEFINED
tCLZ
tCHZ
tSC
tKH
tKL
A2
A3
A4
A5
A6
t
HA
D11
D30
D31
D50
D51
D60
D61
t
SD
t
HD
Q00
Q21
Q01
Q20
Q40
Q41
tCO
tDOH
tDOH
tKHKH
tCYC
t
SA
t
SD
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