参数资料
型号: W24257S-70LE
厂商: WINBOND ELECTRONICS CORP
元件分类: SRAM
英文描述: 32K X 8 STANDARD SRAM, 70 ns, PDSO28
封装: 0.330 INCH, SOP-28
文件页数: 7/10页
文件大小: 154K
代理商: W24257S-70LE
W24257
- 6 -
Timing Waveforms, continued
Write Cycle 1
Address
#OE
#CS
#WE
D OUT
DIN
TWC
TWR
TCW
T WP
TAS
TOHZ
(1, 4)
TDW
TDH
TAW
Write Cycle 2
(OE = VIL Fixed)
Address
#CS
#WE
D OUT
D IN
T WC
T CW
TAS
TDH
TWR
T WP
TWHZ
DW
T
(2)
(3)
TOW
TOH
AW
T
(1, 4)
Notes:
1. During this period, I/O pins are in the output state, so input signals of opposite phase to the outputs should not be applied.
2. The data output from DOUT are the same as the data written to DIN during the write cycle.
3. DOUT provides the read data for the next address.
4. Transition is measured
±500 mV from steady state with CL = 5 pF. This parameter is guaranteed but not 100% tested.
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