MC54/74F373
OCTAL TRANSPARENT LATCH
WITH 3-STATE OUTPUTS
The MC54/74F373 consists of eight latches with 3-state outputs for bus or-
ganized system applications. The flip-flops appear transparent to the data
when Latch Enable (LE) is HIGH. When LE is LOW, the data that meets the
setuptimes is latched. Data appears onthebuswhentheOutputEnable(OE)
is LOW. When OE is HIGH the bus output is in the high impedance state.
OCTAL TRANSPARENT LATCH
WITH 3-STATE OUTPUTS
FAST SCHOTTKY TTL
• Eight Latches in a Single Package
• 3-State Outputs for Bus Interfacing
>
• ESD 4000 Volts
CONNECTION DIAGRAM (TOP VIEW)
J SUFFIX
CERAMIC
CASE 732-03
V
O
D
D
O
O
D
D
O
4
12
LE
11
CC
7
7
6
6
5
5
4
20
20
19
18
17
16
15
14
13
1
N SUFFIX
PLASTIC
CASE 738-03
20
1
1
2
3
4
5
6
7
8
9
10
OE
O
D
D
O
O
D
D
O
3
GND
0
0
1
1
2
2
3
DW SUFFIX
SOIC
CASE 751D-03
20
1
LOGIC SYMBOL
3
4
7
8
13 14 17 18
ORDERING INFORMATION
MC54FXXXJ
MC74FXXXN Plastic
MC74FXXXDW SOIC
Ceramic
D
LE
D
D
D
D
D
D
D
0
1
2
3
4
5
6 7
11
1
V
= PIN 20
CC
GND = PIN 10
OE
O
O
5
O
6
O
9
O
O
O
O
0
1
2
3
4
5
6 7
2
12 15 16 19
GUARANTEED OPERATING RANGES
Symbol
Parameter
Min
Typ
5.0
25
Max
5.5
125
70
Unit
V
V
CC
Supply Voltage
54, 74
54
4.5
–55
0
T
A
Operating Ambient Temperature Range
°C
74
25
I
I
Output Current — HIGH
Output Current — LOW
54, 74
54, 74
–3.0
24
mA
mA
OH
OL
FAST AND LS TTL DATA
4-167