參數(shù)資料
型號(hào): 27256
廠商: 意法半導(dǎo)體
英文描述: NMOS 256K 32K x 8 UV EPROM
中文描述: NMOS管256K 32K的× 8紫外線存儲(chǔ)器
文件頁數(shù): 3/9頁
文件大小: 62K
代理商: 27256
M74HC51
3/9
RECOMMENDED OPERATING CONDITIONS
DC SPECIFICATIONS
Symbol
Parameter
Value
Unit
V
CC
V
I
V
O
T
op
Supply Voltage
Input Voltage
Output Voltage
Operating Temperature
2 to 6
0 to V
CC
0 to V
CC
-55 to 125
V
V
V
°
C
ns
ns
ns
t
r
, t
f
Input Rise and Fall Time
V
CC
= 2.0V
V
CC
= 4.5V
V
CC
= 6.0V
0 to 1000
0 to 500
0 to 400
Symbol
Parameter
Test Condition
Value
Unit
V
CC
(V)
T
A
= 25
°
C
-40 to 85
°
C
-55 to 125
°
C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
V
IH
High Level Input
Voltage
2.0
4.5
6.0
2.0
4.5
6.0
2.0
4.5
6.0
4.5
1.5
3.15
4.2
1.5
3.15
4.2
1.5
3.15
4.2
V
V
IL
Low Level Input
Voltage
0.5
1.35
1.8
0.5
1.35
1.8
0.5
1.35
1.8
V
V
OH
High Level Output
Voltage
I
O
=-20
μ
A
I
O
=-20
μ
A
I
O
=-20
μ
A
I
O
=-4.0 mA
I
O
=-5.2 mA
I
O
=20
μ
A
I
O
=20
μ
A
I
O
=20
μ
A
I
O
=4.0 mA
I
O
=5.2 mA
1.9
4.4
5.9
4.18
2.0
4.5
6.0
4.31
1.9
4.4
5.9
4.13
1.9
4.4
5.9
4.10
V
6.0
2.0
4.5
6.0
4.5
5.68
5.8
0.0
0.0
0.0
0.17
5.63
5.60
V
OL
Low Level Output
Voltage
0.1
0.1
0.1
0.26
0.1
0.1
0.1
0.33
0.1
0.1
0.1
0.40
V
6.0
0.18
0.26
0.33
0.40
I
I
Input Leakage
Current
Quiescent Supply
Current
6.0
V
I
= V
CC
or GND
±
0.1
±
1
±
1
μ
A
I
CC
6.0
V
I
= V
CC
or GND
1
10
20
μ
A
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