MC54F14J Motorola, MC54F14J Datasheet
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MC54F14J
Manufacturer Part Number
MC54F14J
Description
SCHMITT TRIGGERS DUAL 4-INPUT NAND/HEX INVERTERS FAST SCHOTTKY TTL MC54F14JSCHMITT TRIGGERS DUAL 4-INPUT NAND/HEX INVERTERS
Manufacturer
Motorola
Datasheet
1.MC54F14J.pdf
(3 pages)
SCHMITT TRIGGERS DUAL 4-INPUT
NAND/HEX INVERTERS
cept standard TTL input signals and provide standard TTL output levels. They
are capable of transforming slowly changing input signals into sharply de-
fined, jitter-free output signals. Additionally, they have greater noise margin
than conventional inverters.
and a phase splitter driving a TTL totem pole output. The Schmitt trigger uses
positive feedback to effectively speed up slow input transitions and provide
different input threshold voltages for positive and negative-going transitions.
This hysteresis between the positive-going and negative-going input thresh-
olds (typically 800 mV) is determined internally by resistor ratios and is essen-
tially insensitive to temperature and supply voltage variations.
GUARANTEED OPERATING RANGES
V CC
T A
I OH
I OL
The MC54/74F13 and MC54/74F14 contain logic gates/inverters which ac-
Each circuit contains a Schmitt trigger followed by a Darlington level shifter
Symbol
Supply Voltage
Operating Ambient Temperature Range
Output Current — High
Output Current — Low
LOGIC AND CONNECTION DIAGRAMS
V CC
V CC
14
14
A
1
A
1
13
13
A
D
O
2
B
2
N/C
12
12
MC54/74F13
MC54/74F14
C
A
3
O
3
Parameter
N/C
11
11
O
4
C
A
4
10
10
D
O
A
B
5
5
O
A
O
A
9
6
9
6
FAST AND LS TTL DATA
GND
GND
O
O
8
7
8
7
4-14
54, 74
54, 74
54, 74
54
74
Min
–55
4.5
0
14
14
14
ORDERING INFORMATION
NAND/HEX INVERTERS
1
1
MC54/74F13
MC54/74F14
MC54FXXJ
MC74FXXN
MC74FXXD
FAST
SCHMITT TRIGGERS
Typ
5.0
25
25
1
DUAL 4-INPUT
SCHOTTKY TTL
Max
–1.0
125
5.5
Ceramic
Plastic
SOIC
70
20
CASE 751A-02
CASE 632-08
CASE 646-06
CERAMIC
N SUFFIX
D SUFFIX
J SUFFIX
PLASTIC
SOIC
Unit
mA
mA
V
C
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MC54F14J Summary of contents
Page 1
SCHMITT TRIGGERS DUAL 4-INPUT NAND/HEX INVERTERS The MC54/74F13 and MC54/74F14 contain logic gates/inverters which ac- cept standard TTL input signals and provide standard TTL output levels. They are capable of transforming slowly changing input signals into sharply de- fined, jitter-free ...
Page 2
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified) Symbol Parameter Positive-Going Threshold Voltage V T – Negative-Going Threshold Voltage V T +–V T – Hysteresis V IH Input HIGH Voltage V IL Input LOW Voltage V ...
Page 3
MC54/74F13 MC54/74F14 FUNCTION TABLE MC54/74F13 Inputs HIGH Voltage Level L = LOW Voltage Level ...