MM74C914M

MM74C914M Datasheet

MM74C914 Hex Schmitt Trigger with Extended Input Voltage

Part	Datasheet
MM74C914M	MM74C914M (pdf)

Related Parts	Information
MM74C914MX	MM74C914MX
MM74C914N	MM74C914N

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MM74C914 Hex Schmitt Trigger with Extended Input Voltage MM74C914 Hex Schmitt Trigger with Extended Input Voltage The 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 −25V to GND + 25V , and is valuable for applications involving voltage level shifting or mismatched power supplies. The positive and negative-going threshold voltages, VT+ and VT−, show low variation with respect to temperature typ 0.0005V/°C at VCC = 10V . And the hysteresis, VT+ − VT− VCC is guaranteed. s Hysteresis VCC typ. VCCguaranteed s Special input protection Extended Input Voltage Range s Wide supply voltage range 3V to 15V s High noise immunity VCC typ. s Low power TTL compatibility Fan out of 2 driving 74L Ordering Code: Order Number Package Number Package Description MM74C914M M14A 14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-120, Narrow MM74C914N N14A 14-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code. Connection Diagrams Pin Assignments for DIP Special Input Protection Top View 8V 25V for the diodes. 1999 Fairchild Semiconductor Corporation DS005917.prf MM74C914 Absolute Maximum Ratings Note 1 Operating VCC Range 3V to 15V Voltage at any Input Pin Voltage at any other Pin VCC − 25V to GND + 25V −0.3Vto VCC + 0.3V Absolute Maximum VCC Lead Temperature TL Soldering, 10 seconds Operating Temperature Range TA −40°C to +85°C 18V 300°C Storage Temperature Range TS Power Dissipation −65°C to +150°C Note 1 “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. Except for “Operating Tempera- Dual-In-Line Small Outline 700 mW ture Range”, they are not meant to imply that the devices should be operated at these limits. The Electrical Characteristics tables provide conditions 500mW for actual device operation. DC Electrical Characteristics Min/Max limits apply across temperature range unless otherwise noted Parameter Conditions CMOS TO CMOS Positive Going Threshold Voltage VT− Negative Going Threshold Voltage VT+ − VT− 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

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MM74C914 Hex Schmitt Trigger with Extended Input Voltage

MM74C914 Hex Schmitt Trigger with Extended Input Voltage

The 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 −25V to GND + 25V , and is valuable for applications involving voltage level shifting or mismatched power supplies.

The positive and negative-going threshold voltages, VT+ and VT−, show low variation with respect to temperature
typ 0.0005V/°C at VCC = 10V . And the hysteresis, VT+ − VT− VCC is guaranteed.
s Hysteresis VCC typ. VCCguaranteed s Special input protection Extended Input Voltage

Range s Wide supply voltage range 3V to 15V s High noise immunity VCC typ. s Low power TTL compatibility Fan out of 2 driving 74L
Ordering Code:

Order Number Package Number

Package Description

MM74C914M

M14A
14-Lead Small Outline Integrated Circuit SOIC , JEDEC MS-120, Narrow

MM74C914N

N14A
14-Lead Plastic Dual-In-Line Package PDIP , JEDEC MS-001, Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Connection Diagrams

Pin Assignments for DIP

Special Input Protection

Top View
8V 25V for the diodes.
1999 Fairchild Semiconductor Corporation DS005917.prf

MM74C914

Absolute Maximum Ratings Note 1

Operating VCC Range
3V to 15V

Voltage at any Input Pin Voltage at any other Pin

VCC − 25V to GND + 25V −0.3Vto VCC + 0.3V

Absolute Maximum VCC Lead Temperature TL

Soldering, 10 seconds

Operating Temperature Range TA
−40°C to +85°C
18V 300°C

Storage Temperature Range TS Power Dissipation
−65°C to +150°C

Note 1 “Absolute Maximum Ratings” are those values beyond which the safety of the device cannot be guaranteed. Except for “Operating Tempera-

Dual-In-Line Small Outline
700 mW
ture Range”, they are not meant to imply that the devices should be operated at these limits. The Electrical Characteristics tables provide conditions
500mW for actual device operation.

DC Electrical Characteristics

Min/Max limits apply across temperature range unless otherwise noted

Parameter

Conditions

CMOS TO CMOS

Positive Going Threshold Voltage

VT−

Negative Going Threshold Voltage

VT+ − VT−

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

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Datasheet ID: MM74C914M 634366