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參數資料
| 型號： | MC74F253N |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL 4-INPUT MULTIPLEXER WITH 3-STATE OUTPUTS |
| 中文描述： | F/FAST SERIES, DUAL 4 LINE TO 1 LINE MULTIPLEXER, TRUE OUTPUT, PDIP16 |
| 封裝： | PLASTIC, DIP-16 |
| 文件頁數： | 1/3頁 |
| 文件大小： | 65K |
| 代理商： | MC74F253N |
4-120
FAST AND LS TTL DATA
DUAL 4-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
The MC54/74F253 is a Dual 4-Input Multiplexer with 3-State Outputs. It can
select two bits of data from four sources using common select inputs. The out-
puts may be individually switched to a high-impedance state with a HIGH on
the respective Output Enable (OE) inputs, allowing the outputs to interface di-
rectly with bus-oriented systems.
15
16
14
13
12
11
10
2
1
3
4
5
6
7
VCC
9
8
OEb
GND
S0
I3b
I2b
I1b
I0b
Zb
OEa
S1
I3a
I2a
I1a
I0a
Za
CONNECTION DIAGRAM DIP
(TOP VIEW)
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
Max
Unit
VCC
TA
Supply Voltage
54, 74
4.5
5.0
5.5
V
Operating Ambient Temperature Range
54
–55
25
125
°
C
74
0
25
70
IOH
IOL
Output Current — High
54, 74
–3.0
mA
Output Current — Low
54, 74
24
mA
FAST
SCHOTTKY TTL
DUAL 4-INPUT MULTIPLEXER
WITH 3-STATE OUTPUTS
MC54/74F253
J SUFFIX
CERAMIC
CASE 620-09
N SUFFIX
PLASTIC
CASE 648-08
16
1
16
1
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
16
1
D SUFFIX
SOIC
CASE 751B-03
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