MC5474F521 Datasheet, PDF (1/3 Pages) Motorola, Inc – 8-BIT IDENTITY COMPARATOR

8-BIT IDENTITY COMPARATOR
The MC54/74F521 is an expandable 8-bit comparator. It compares two
words of up to eight bits each and provides a LOW output when the two words
match bit for bit. The expansion input IA = _B also serves as an active-LOW en-
able input.
• Compares Two 8-Bit Words in 6.5 ns Typical
• Expandable to Any Word Length
• 20-Pin Package
CONNECTION DIAGRAM (TOP VIEW)
VCC OA _{= B} B7 A7 B6 A6 B5 A5 B4 A4
20 19 18 17 16 15 14 13 12 11
MC54/74F521
8-BIT IDENTITY COMPARATOR
FAST™ SCHOTTKY TTL
20
1
J SUFFIX
CERAMIC
CASE 732-03
1
2
3
4
5
6
7
8
9 10
IA _{= B} A0 B0 A1 B1 A2 B2 A3 B3 GND
GUARANTEED OPERATING RANGES
Symbol
Parameter
VCC
TA
Supply Voltage
Operating Ambient Temperature Range
IOH
Output Current  High
IOL
Output Current  Low
54, 74
54
74
54,74
54, 74
20
1
N SUFFIX
PLASTIC
CASE 738-03
20
1
DW SUFFIX
SOIC
CASE 751D-03
ORDERING INFORMATION
MC54FXXXJ Ceramic
MC74FXXXN Plastic
MC74FXXXDW SOIC
Min
Typ
Max
Unit
4.5
5.0
5.5
V
–55
25
125
°C
0
25
70
–1.0
mA
20
mA
FAST AND LS TTL DATA
4-195