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參數(shù)資料
| 型號(hào)： | MC74F623N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | F/FAST SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | 738-03 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 197K |
| 代理商： | MC74F623N |
4-384
FAST AND LS TTL DATA
MC74F620
MC74F623
A0
A1 A2 A3 A4 A5 A6 A7
B0 B1
B2 B3 B4 B5 B6 B7
OEAB
OEBA
A0 A1
A2 A3 A4 A5 A6 A7
B0 B1
B2 B3 B4 B5 B6 B7
OEAB
OEBA
F620
F623
LOGIC SYMBOLS
2
3
4
5
6
7
8
9
1
19
11
12
13
14
15
16
17
18
11
12
13
14
15
16
17
18
1
19
2
3
4
5
6
7
8
9
FUNCTION TABLE
Inputs
Operating Modes
OEBA
OEAB
F620
F623
L
B data to A bus
H
A data to B bus
H
L
Z
L
H
B data to A bus
A data to B bus
B data to A bus
A data to B bus
H = HIGH voltage level: L = LOW voltage level: X = Don’t care: Z = High impedance “off” state
GUARANTEED OPERATING RANGES
Limits
Symbol
Parameter
Min
Typ
Max
Unit
VCC
DC Supply Voltage
74
4.5
5.0
5.5
V
TA
Operating Ambient Temperature Range
74
0
25
70
°C
IOH
Output Current
High
An Outputs
74
—
–3.0
mA
IOH
Output Current
High
Bn Outputs
74
—
–15
mA
IOL
Output Current
Low
An Outputs
74
—
24
mA
IOL
Output Current
Low
Bn Outputs
74
—
64
mA
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