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74190

SGS-THOMSON
Part Number 74190
Manufacturer SGS-THOMSON
Description 4 BIT SYNCHRONOUS UP/DOWN COUNTERS
Published Jul 18, 2016
Detailed Description M54/M74HC190 M54/M74HC191 4 BIT SYNCHRONOUS UP/DOWN COUNTERS . HIGH SPEED fMAX = 48 MHz (TYP.) AT VCC = 5 V . LOW POWE...
Datasheet PDF File 74190 PDF File

74190
74190

Overview
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 = IOL = 4 mA (MIN.
) .
BALANCED PROPAGATION DELAYS tPLH = tPHL .
WIDE OPERATING VOLTAGE RANGE VCC (OPR) = 2 V TO 6 V .
PIN AND FUNCTION COMPATIBLE WITH 54/74LS190/191 B1R (Plastic Package) F1R (Ceramic Package) M 1R (Micro Package) C1R (Chip Carrier) ORDER CODES : M54HCXXXF1R M74HCXXXM1R M74HCXXXB1R M74HCXXXC1R PIN CONNECTIONS (top view) DESCRIPTION The M54/74HC190/191 are high speed CMOS 4-BIT SYNCHRONOUS UP/DOWN COUNTERS fabricated in silicon gate C2MOS technology.
They have the same high speed performance of LSTTL combined with true CMOS low power consumption.
State changes of the counter are synchronous with the LOW-to-HIGH transition of the Clock Pulse input.
An asynchronous parallel ...


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