參數(shù)資料
型號: UPD4482162GF-C60Y
廠商: NEC Corp.
英文描述: 8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION SINGLE CYCLE DESELECT
中文描述: 800萬位CMOS同步快速靜態(tài)存儲器流水線操作單周期取消選擇
文件頁數(shù): 9/28頁
文件大?。?/td> 445K
代理商: UPD4482162GF-C60Y
9
Data Sheet M14522EJ3V0DS
μ
PD4482162, 4482182, 4482322, 4482362
Asynchronous Truth Table
Operation
/G
I/O
Read Cycle
L
Dout
Read Cycle
H
High-Z
Write Cycle
×
High-Z, Din
Deselected
×
High-Z
Remark
×
: don’t care
Synchronous Truth Table
Operation
/CE
CE2
/CE2
/AP
/AC
/ADV
/WRITE
CLK
Address
Deselected
Note
H
×
×
×
L
×
×
L
H
None
Deselected
Note
L
L
×
L
×
×
×
L
H
None
Deselected
Note
L
×
H
L
×
×
×
L
H
None
Deselected
Note
L
L
×
H
L
×
×
L
H
None
Deselected
Note
L
×
H
H
L
×
×
L
H
None
Read Cycle / Begin Burst
L
H
L
L
×
×
×
L
H
External
Read Cycle / Begin Burst
L
H
L
H
L
×
H
L
H
External
Read Cycle / Continue Burst
×
×
×
H
H
L
H
L
H
Next
Read Cycle / Continue Burst
H
×
×
×
H
L
H
L
H
Next
Read Cycle / Suspend Burst
×
×
×
H
H
H
H
L
H
Current
Read Cycle / Suspend Burst
H
×
×
×
H
H
H
L
H
Current
Write Cycle / Begin Burst
L
H
L
H
L
×
L
L
H
External
Write Cycle / Continue Burst
×
×
×
H
H
L
L
L
H
Next
Write Cycle / Continue Burst
H
×
×
×
H
L
L
L
H
Next
Write Cycle / Suspend Burst
×
×
×
H
H
H
L
L
H
Current
Write Cycle / Suspend Burst
H
×
×
×
H
H
L
L
H
Current
Note
Deselect status is held until new “Begin Burst” entry.
Remarks 1.
×
: don’t care
2.
/WRITE = L means any one or more byte write enables (/BW1, /BW2, /BW3 or /BW4) and /BWE are
LOW or /GW is LOW.
/WRITE = H means the following two cases.
(1) /BWE and /GW are HIGH.
(2) /BW1, /BW2 and /GW are HIGH, and /BWE is LOW. [
μ
PD4482162,
μ
PD4482182]
/BW1 to /BW4 and /GW are HIGH, and /BWE is LOW. [
μ
PD4482322,
μ
PD4482362]
相關PDF資料
PDF描述
UPD4482182 8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION SINGLE CYCLE DESELECT
UPD4482162GF-A44 8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION SINGLE CYCLE DESELECT
UPD4482182GF-A44 8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION SINGLE CYCLE DESELECT
UPD4482162GF-A44Y 8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION SINGLE CYCLE DESELECT
UPD4482182GF-A44Y 8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION SINGLE CYCLE DESELECT
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