參數(shù)資料
型號: CY62167E
廠商: Cypress Semiconductor Corp.
英文描述: Replacement for National Semiconductor part number 9328FMQB. Buy from authorized manufacturer Rochester Electronics.
中文描述: 16兆位(1米× 16 / 2米× 8)靜態(tài)RAM
文件頁數(shù): 6/12頁
文件大?。?/td> 441K
代理商: CY62167E
CY62167E MoBL
Document #: 001-15607 Rev. *A
Page 6 of 12
Switching Waveforms
Figure 1
shows address transition controlled read cycle waveforms.
[18, 19]
Figure 1. Read Cycle No. 1
Figure 2
shows OE controlled read cycle waveforms.
[19, 20]
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
HZBE
t
LZBE
t
HZCE
t
DBE
OE
CE
1
ADDRESS
CE
2
BHE/BLE
DATA OUT
V
CC
SUPPLY
CURRENT
HIGH
I
CC
I
SB
IMPEDANCE
Notes
18.The device is continuously selected. OE, CE
1
= V
IL
, BHE, BLE or both = V
IL
, and CE
2
= V
IH
.
19.WE is HIGH for read cycle.
20.Address valid before or similar to CE
1
, BHE, BLE transition LOW and CE
2
transition HIGH.
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CY62167ELL-45ZXI Replacement for National Semiconductor part number 9328PCQR. Buy from authorized manufacturer Rochester Electronics.
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