MC54F242J データシートの表示（PDF） - Motorola => Freescale
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MC54F242J Datasheet PDF : 5 Pages
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QUAD BUS TRANCEIVERS
WITH 3-STATE OUTPUTS
The MC54/74F242 and MC54/74F243 are Quad Bus Transmitters/Receiv-
ers designed for 4-line asynchronous 2-way data communication between
data buses.
• 2-Way Asynchronous Data Bus Communication
• Input Clamp Diodes Limit High-Speed Termination Effects
• ESD > 4000 Volts
MC54/74F242 (TOP VIEW)
VCC OE2 NC 1B
2B
3B 4B
14 13 12 11 10
9
8
MC54/74F242
MC54/74F243
QUAD BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
FAST™ SCHOTTKY TTL
14
1
J SUFFIX
CERAMIC
CASE 632-08
1
2
OE1 NC
3
4
1A 2A
5
6
7
3A 4A GND
MC54/74F243 (TOP VIEW)
VCC OE2 NC 1B
2B 3B 4B
14 13 12 11 10
9
8
14
1
N SUFFIX
PLASTIC
CASE 646-06
14
1
D SUFFIX
SOIC
CASE 751A-02
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN
MC74FXXXD
Ceramic
Plastic
SOIC
1
2
OE1 NC
3
4
1A 2A
5
6
7
3A 4A GND
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
TA
Supply Voltage
Operating Ambient Temperature Range
IOH
Output Current — High
IOL
Output Current — Low
Min
Typ
Max
Unit
54,74
4.5
5.0
5.5
V
54
–55
25
125
°C
74
0
25
70
54
–12
mA
74
–15
54
48
mA
74
64
FAST AND LS TTL DATA
4-187
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