參數(shù)資料
型號(hào): CYK256K16SCCBU-55BVI
廠商: CYPRESS SEMICONDUCTOR CORP
元件分類: DRAM
英文描述: 4-Mbit (256K x 16) Pseudo Static RAM
中文描述: 256K X 16 PSEUDO STATIC RAM, 55 ns, PBGA48
封裝: 6 X 8 MM, 1 MM HEIGHT, VFBGA-48
文件頁(yè)數(shù): 6/10頁(yè)
文件大?。?/td> 307K
代理商: CYK256K16SCCBU-55BVI
CYK256K16SCCB
Document #: 38-05526 Rev. *H
Page 6 of 10
Write Cycle No. 1(WE Controlled)
[12, 13, 17, 18, 19]
Notes:
17.Data I/O is high impedance if OE > V
.
18.If Chip Enable goes INACTIVE simultaneously with WE =HIGH, the output remains in a high-impedance state.
19.During the DON’T CARE period in the DATA I/O waveform, the I/Os are in output state and input signals should not be applied.
Switching Waveforms
(continued)
tHD
tSD
tPWE
tSA
tHA
tAW
tSCE
tWC
tHZOE
VALID DATA
CE
1
ADDRESS
CE2
2
WE
DATAI/O
OE
BHE
/
BLE
tBW
DON’T CARE
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