參數(shù)資料
型號(hào): CY62168EV30
廠商: Cypress Semiconductor Corp.
英文描述: 16-Mbit (2M x 8) Static RAM
中文描述: 16兆位(2米× 8)靜態(tài)RAM
文件頁(yè)數(shù): 6/10頁(yè)
文件大?。?/td> 856K
代理商: CY62168EV30
Document #: 001-07721 Rev. *B
Page 6 of 10
CY62168EV30 MoBL
Switching Waveforms
Figure 1
shows address transition controlled read cycle waveforms.
[15, 16]
Figure 1. Read Cycle No. 1
Figure 2
shows OE controlled read cycle waveforms.
[16, 17]
Figure 2. Read Cycle No. 2
PREVIOUS DATA VALID
DATA VALID
RC
t
t
AA
t
OHA
ADDRESS
DATA OUT
50%
50%
DATA VALID
t
RC
t
ACE
t
DOE
t
LZOE
t
LZCE
t
PU
HIGH IMPEDANCE
t
HZOE
t
PD
t
HZCE
OE
CE
1
ADDRESS
CE
2
DATA OUT
V
CC
SUPPLY
CURRENT
HIGH
I
CC
I
SB
IMPEDANCE
Notes
15.The device is continuously selected. OE, CE
1
= V
IL
, and CE
2
= V
IH
.
16.WE is HIGH for read cycle.
17.Address valid before or similar to CE
1
transition LOW and CE
2
transition HIGH.
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