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PDF MM74C914N Data sheet ( Hoja de datos )
| Número de pieza | MM74C914N | |
| Descripción | Hex Schmitt Trigger with Extended Input Voltage | |
| Fabricantes | Fairchild | |
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October 1987
Revised January 1999
MM74C914
Hex Schmitt Trigger with Extended Input Voltage
General Description
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 applica-
tions 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− ≥ 0.2 VCC is guaranteed.
Features
s Hysteresis: 0.45 VCC (typ.) 0.2 VCCguaranteed
s Special input protection: Extended Input Voltage
Range
s Wide supply voltage range: 3V to 15V
s High noise immunity: 0.7 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, 0.150” Narrow
MM74C914N
N14A
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” 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
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted (Continued)
14-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Package Number N14A
LIFE SUPPORT POLICY
FAIRCHILD’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT
DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD
SEMICONDUCTOR CORPORATION. As used herein:
1. Life support devices or systems are devices or systems
which, (a) are intended for surgical implant into the
body, or (b) support or sustain life, and (c) whose failure
to perform when properly used in accordance with
instructions for use provided in the labeling, can be rea-
sonably expected to result in a significant injury to the
user.
2. A critical component in any component of a life support
device or system whose failure to perform can be rea-
sonably expected to cause the failure of the life support
device or system, or to affect its safety or effectiveness.
www.fairchildsemi.com
Fairchild does not assumeany responsibility for use of any circuitry described, nocircuit patent licenses are impliedandFairchildreserves theright at any timewithout noticetochange saidcircuitry andspecifications.
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| Páginas | Total 5 Páginas | |
| PDF Descargar | [ Datasheet MM74C914N.PDF ] | |
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