參數(shù)資料
型號: UPD441000LGU-C12X-9JH
廠商: NEC Corp.
英文描述: 1M-BIT CMOS STATIC RAM 128K-WORD BY 8-BIT EXTENDED TEMPERATURE OPERATION
中文描述: 100萬位CMOS靜態(tài)RAM 128K的字8位擴展工作溫度
文件頁數(shù): 11/28頁
文件大?。?/td> 166K
代理商: UPD441000LGU-C12X-9JH
Data Sheet M13714EJ5V0DS
11
μ
PD441000L-X
Read Cycle (3/3) (D version)
Parameter
Symbol
μ
PD441000L-D12X
μ
PD441000L-D15X
Unit
Condition
MIN.
MAX.
MIN.
MAX.
Read cycle time
t
RC
120
150
ns
Address access time
t
AA
120
150
ns
Note 1
/CE1 access time
t
CO1
120
150
ns
CE2 access time
t
CO2
120
150
ns
/OE to output valid
t
OE
60
70
ns
Output hold from address change
t
OH
10
10
ns
/CE1 to output in low impedance
t
LZ1
10
10
ns
Note 2
CE2 to output in low impedance
t
LZ2
10
10
ns
/OE to output in low impedance
t
OLZ
5
5
ns
/CE1 to output in high impedance
t
HZ1
40
50
ns
CE2 to output in high impedance
t
HZ2
40
50
ns
/OE to output in high impedance
t
OHZ
40
50
ns
Notes 1.
The output load is 1TTL + 30 pF.
2.
The output load is 1TTL + 5 pF.
Remark
These AC characteristics are in common regardless of package types.
Read Cycle Timing Chart
t
HZ2
t
RC
t
OH
t
HZ1
t
LZ2
t
CO2
t
LZ1
t
CO1
t
AA
High impedance
Data out
CE2 (Input)
/CE1 (Input)
Address (Input)
I/O (Output)
t
OLZ
t
OE
t
OHZ
/OE (Input)
Remark
In read cycle, /WE should be fixed to high level.
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