Schmitt Trigger. MM74C914 Datasheet

MM74C914 Trigger. Datasheet pdf. Equivalent

Part MM74C914
Description Hex Schmitt Trigger
Feature MM54C914 MM74C914 Hex Schmitt Trigger with Extended Input Voltage February 1988 MM54C914 MM74C914 .
Manufacture National Semiconductor
Datasheet
Download MM74C914 Datasheet



MM74C914
February 1988
MM54C914 MM74C914 Hex Schmitt
Trigger with Extended Input Voltage
General Description
The MM54C914 MM74C914 is a monolithic CMOS Hex
Schmitt trigger with special input protection scheme This
scheme allows the input voltage levels to exceed VCC or
ground by at least 10V (VCC b 25V to GND a 25V) and is
valuable for applications involving voltage level shifting or
mismatched power supplies
The positive and negative-going threshold voltages VTa
and VTb show low variation with respect to temperature
(typ 0 0005V C at VCC e 10V) And the hysteresis
VTa b VTb t 0 2 VCC is guaranteed
Features
Y Hysteresis
Y Special input protection
Y Wide supply voltage range
Y High noise immunity
Y Low power TTL
compatibility
Connection Diagram
Dual-In-Line Package
0 45 VCC (typ )
0 2 VCC guaranteed
Extended Input
Voltage Range
3V to 15V
0 7 VCC (typ )
Fan out of 2
driving 74L
Order Number MM54C914 or MM74C914
Top View
TL F 5917 – 1
Special Input Protection
8V 25V
for the diodes
C1995 National Semiconductor Corporation TL F 5917
TL F 5917 – 2
RRD-B30M105 Printed in U S A



MM74C914
Absolute Maximum Ratings (Note 1)
If Military Aerospace specified devices are required
please contact the National Semiconductor Sales
Office Distributors for availability and specifications
Voltage at any Input Pin
VCC b 25V to GND a 25V
Voltage at any other Pin
b0 3V to VCC a 0 3V
Operating Temperature Range (TA)
MM54C914
b55 C to a125 C
MM74C914
b40 C to a85 C
Storage Temperature Range (TS)
Power Dissipation
Dual-In-Line
Small Outline
Operating VCC Range
Absolute Maximum (VCC)
Lead Temperature (TL)
(Soldering 10 seconds)
b65 C to a150 C
700 mW
500 mW
3V to 15V
18V
300 C
DC Electrical Characteristics Min Max limits apply across temperature range unless otherwise noted
Symbol
Parameter
Conditions
CMOS TO CMOS
VTa
Positive Going Threshold Voltage
VTb
Negative Going Threshold Voltage
VTa b VTb Hysteresis
VOUT(1)
VOUT(0)
IIN(1)
IIN(0)
ICC
Logical ‘‘1’’ Output Voltage
Logical ‘‘0’’ Output Voltage
Logical ‘‘1’’ Input Current
Logical ‘‘0’’ Input Current
Supply Current
CMOS LPTTL INTERFACE
VCC e 5V
VCC e 10V
VCC e 15V
VCC e 5V
VCC e 10V
VCC e 15V
VCC e 5V
VCC e 10V
VCC e 15V
VCC e 5V IO e b10 mA
VCC e 10V IO e b10 mA
VCC e 5V IO e a10 mA
VCC e 10V IO e a10 mA
VCC e 15V VIN e 25V
VCC e 15V VIN e b10V
VCC e 15V VIN e b 10V 25V
VCC e 5V VIN e b 2 5V (Note 4)
VCC e 10V VIN e 5V (Note 4)
VCC e 15V VIN e 7 5V (Note 4)
VIN(1)
Logical ‘‘1’’ Input Voltage
VCC e 5V
VIN(0)
Logical ‘‘0’’ Input Voltage
VCC e 5V
VOUT(1)
Logical ‘‘1’’ Output Voltage
54C VCC e 4 5V IO e b360 mA
74C VCC e 4 75V IO e b360 mA
VOUT(0)
Logical ‘‘0’’ Output Voltage
54C VCC e 4 5V IO e 360 mA
74C VCC e 4 75V IO e 360 mA
OUTPUT DRIVE (See 54C 74C Family Characteristics Data Sheet) (Short Circuit Current)
ISOURCE
Output Source Current
(P-Channel)
VCC e 5V VOUT e 0V TA e 25 C
ISOURCE
Output Source Current
(P-Channel)
VCC e 10V VOUT e 0V TA e 25 C
ISINK
Output Sink Current
(N-Channel)
VCC e 5V VOUT e VCC TA e 25 C
ISINK
Output Sink Current
(N-Channel)
VCC e 10V VOUT e VCC TA e 25 C
Min
30
60
90
07
14
21
10
20
30
45
90
b100
43
24
24
b1 75
b8 0
1 75
80
Typ
36
68
10
14
32
5
22
36
5
0 005
b0 005
0 05
20
200
600
b3 3
b15
36
16
Max
43
86
12 9
20
40
60
36
72
10 8
05
10
50
300
07
04
04
Units
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
V
V
V
V
V
V
mA
mA
mA
mA
2





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