參數(shù)資料
型號: HD74HC149FP
元件分類: 算術(shù)邏輯單元
英文描述: HC/UH SERIES, 8-BIT ENCODER, PDSO20
封裝: FP-20DA
文件頁數(shù): 4/9頁
文件大?。?/td> 58K
代理商: HD74HC149FP
HD74HC149
4
DC Characteristics
Ta = 25
°C
Ta = –40 to
+85
°C
Item
Symbol
V
CC (V)
Min Typ Max Min
Max
Unit
Test Conditions
Input voltage
V
IH
2.0
1.5
1.5
V
4.5
3.15 —
3.15
6.0
4.2
4.2
V
IL
2.0
0.5
0.5
V
4.5
1.35 —
1.35
6.0
1.8
1.8
Output voltage
V
OH
2.0
1.9
2.0
1.9
V
Vin = V
IH or VIL
I
OH = –20 A
4.5
4.4
4.5
4.4
6.0
5.9
6.0
5.9
4.5
4.18 —
4.13
I
OH = –4 mA
6.0
5.68 —
5.63
I
OH = –5.2 mA
V
OL
2.0
0.0
0.1
0.1
V
Vin = V
IH or VIL
I
OL = 20 A
4.5
0.0
0.1
0.1
6.0
0.0
0.1
0.1
4.5
0.26 —
0.33
I
OL = 4 mA
6.0
0.26 —
0.33
I
OL = 5.2 mA
Input current
Iin
6.0
±0.1 —
±1.0 A
Vin = V
CC or GND
Quiescent supply
current
I
CC
6.0
4.0
40
A
Vin = V
CC or GND, Iout = 0 A
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