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Datasheet 54190 Equivalent ( PDF ) |
N.º | Número de pieza | Descripción | Fabricantes | |
4 | 54190 | Synchronous Decade Up/Down Counters MM54HC190 MM74HC190 MM54HC191 MM74HC191
January 1988
MM54HC190 MM74HC190 Synchronous
Decade Up Down Counters with Mode
Control MM54HC191 MM74HC191
Synchronous Binary Up Down Counters
with Mode Control
General Description
These high speed synchronous counters utilize advanced silicon-gate CMO |
National Semiconductor |
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3 | 54190 | 4 BIT SYNCHRONOUS UP/DOWN COUNTERS M54/M74HC190 M54/M74HC191
4 BIT SYNCHRONOUS UP/DOWN COUNTERS
. HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V
. LOW POWER DISSIPATION ICC = 4 µA (MAX.) AT TA = 25 °C
. HIGH NOISE IMMUNITY VNIH = VNIL = 28 % VCC (MIN.)
. OUTPUT DRIVE CAPABILITY 10 LSTTL LOADS
. SYMMETRICAL OUTPUT IMPEDANCE IOH� |
SGS-THOMSON |
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2 | 54190 | Synchronous Up/Down Counters With Down/Up Mode Control |
Texas Instruments |
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1 | 54190 | PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS PRESETTABLE BCD/DECADE UP/DOWN COUNTERS
PRESETTABLE 4-BIT BINARY UP/DOWN COUNTERS
The SN54 / 74LS190 is a synchronous UP/ DOWN BCD Decade (8421) Counter and the SN54/ 74LS191 is a synchronous UP / DOWN Modulo-16 Binary Counter. State changes of the counters are synchronous with the LOW-to-HIGH trans |
Motorola Semiconductors |
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Número de pieza | Descripción | Fabricantes | |
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