參數(shù)資料
型號(hào)： UPD43257BGU-70L
廠商： NEC Corp.
英文描述： 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
中文描述： 256K位CMOS靜態(tài)RAM 32K的詞8位
文件頁(yè)數(shù)： 7/20頁(yè)
文件大?。?/td> 157K
代理商： UPD43257BGU-70L
Data Sheet M10693EJ7V0DS00
7
μ
PD43257B
DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted)
Parameter
Symbol
Test condition
μ
PD43257B-xxL
μ
PD43257B-xxLL
Unit
MIN.
TYP.
MAX.
MIN.
TYP.
MAX.
Input leakage
I
LI
V
IN
= 0 V to V
CC
–1.0
+1.0
–1.0
+1.0
μ
A
current
I/O leakage
I
LO
V
I/O
= 0 V to V
CC
, /CE1 = V
IH
or
–1.0
+1.0
–1.0
+1.0
μ
A
current
CE2 = V
IL
or /WE = V
IL
Operating
I
CCA1
/CE1 = V
IL
, CE2 = V
IH
,
μ
PD43257B-70
45
45
mA
supply current
Minimum cycle time, I
I/O
= 0 mA
μ
PD43257B-85
45
45
I
CCA2
/CE1 = V
IL
, CE2 = V
IH
, I
I/O
= 0 mA
10
10
I
CCA3
/CE1
≤
0.2 V, CE2
≥
V
CC
– 0.2 V, Cycle = 1 MHz,
10
10
I
I/O
= 0 mA, V
IL
≤
0.2 V, V
IH
≥
V
CC
– 0.2 V
Standby
I
SB
/CE1 = V
IH
or CE2 = V
IL
,
3
3
mA
supply current
I
SB1
/CE1
≥
V
CC
0.2 V, CE2
≥
V
CC
0.2 V
1.0
50
0.5
15
μ
A
I
SB2
CE2
≤
0.2 V
1.0
50
0.5
15
High level
V
OH1
I
OH
= –1.0 mA
2.4
2.4
V
output voltage
V
OH2
I
OH
= –0.1 mA
V
CC
–0.5
V
CC
–0.5
Low level
V
OL
I
OL
= 2.1 mA
0.4
0.4
V
output voltage
Remarks 1.
V
IN
: Input voltage
V
I/O
: Input / Output voltage
2.
These DC characteristics are in common regardless of package types and access time.
相關(guān)PDF資料
PDF描述
UPD43257BGU-70LL 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
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UPD43257BGU-85LL 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
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