SN54-74LS13 ONSEMI [ON Semiconductor], SN54-74LS13 Datasheet
SN54-74LS13
Manufacturer Part Number
SN54-74LS13
Description
SCHMITT TRIGGERS DUAL GATE/HEX INVERTER
Manufacturer
ONSEMI [ON Semiconductor]
Datasheet
1.SN54-74LS13.pdf
(3 pages)
SCHMITT TRIGGERS
DUAL GATE/HEX INVERTER
which accept standard TTL input signals and provide standard TTL output
levels. They are capable of transforming slowly changing input signals into
sharply defined, 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
thresholds (typically 800 mV) is determined internally by resistor ratios and is
essentially insensitive to temperature and supply voltage variations.
GUARANTEED OPERATING RANGES
V CC
T A
I OH
I OL
The SN54LS / 74LS13 and SN54LS / 74LS14 contain logic gates / inverters
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
1
1
13
13
2
2
SN54 / 74LS13
12
SN54 / 74LS14
12
3
3
Parameter
11
11
4
4
10
10
5
5
9
6
9
6
FAST AND LS TTL DATA
GND
GND
8
7
8
7
5-1
54, 74
54
74
54
74
54
74
4.75
– 55
Min
4.5
0
14
14
DUAL GATE / HEX INVERTER
SN54/74LS13
SN54/74LS14
ORDERING INFORMATION
14
LOW POWER SCHOTTKY
1
1
SN54LSXXJ
SN74LSXXN
SN74LSXXD
SCHMITT TRIGGERS
1
Typ
5.0
5.0
25
25
– 0.4
Max
5.25
Ceramic
Plastic
SOIC
125
5.5
4.0
8.0
70
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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SN54-74LS13 Summary of contents
Page 1
... SCHMITT TRIGGERS DUAL GATE/HEX INVERTER The SN54LS / 74LS13 and SN54LS / 74LS14 contain logic gates / inverters which accept standard TTL input signals and provide standard TTL output levels. They are capable of transforming slowly changing input signals into sharply defined, jitter-free output signals. Additionally, they have greater noise margin than conventional inverters ...
Page 2
... SN54/74LS13 SN54/74LS14 DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE S Symbol b l Parameter Positive-Going Threshold Voltage V T– Negative-Going Threshold Voltage V T+ – V T– Hysteresis V IK Input Clamp Diode Voltage Output HIGH Voltage Output HIGH Voltage Output LOW Voltage ...
Page 3
... SN54/74LS13 SN54/74LS14 0.4 0.95 1 INPUT VOLTAGE (VOLTS) Figure versus V OUT Transfer Function 1.6 1.2 V T– 0 0.4 0 4.5 4. POWER SUPPLY VOLTAGE (VOLTS) Figure 3. Threshold Voltage and Hysteresis versus Power Supply Voltage 1 ...