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M54HC194

Features: .HIGH SPEEDtPD = 12 ns (TYP.) AT VCC = 5 V .LOWPOWER DISSIPATIONICC = 4 mA (MAX.) AT TA = 25 °C .OUTPUT DRIVE CAPABILITY10 LSTTL LOADS .SYMMETRICAL OUTPUT IMPEDANCEIOH= IOL = 4 mA (MIN.) .BALANCEDPROPAGATION DELAYStPLH = tPHL .HIGH NOISE IMMUNITYVNIH= VNIL= 28%VCC (MIN.) .WIDE OPERATING ...

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SeekIC No. : 004405843 Detail

M54HC194: Features: .HIGH SPEEDtPD = 12 ns (TYP.) AT VCC = 5 V .LOWPOWER DISSIPATIONICC = 4 mA (MAX.) AT TA = 25 °C .OUTPUT DRIVE CAPABILITY10 LSTTL LOADS .SYMMETRICAL OUTPUT IMPEDANCEIOH= IOL = 4 mA (MIN.) ....

M54HC194 Data Sheet

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Part Number:
M54HC194
Supply Ability:
5000

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Product Details

Description



Features:

.HIGH SPEED
tPD = 12 ns (TYP.) AT VCC = 5 V
.LOWPOWER DISSIPATION
ICC = 4 mA (MAX.) AT TA = 25 °C
.OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS
.SYMMETRICAL OUTPUT IMPEDANCE
IOH= IOL = 4 mA (MIN.)
.BALANCEDPROPAGATION DELAYS
tPLH = tPHL
 .HIGH NOISE IMMUNITY
VNIH= VNIL= 28%VCC (MIN.)
.WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
.PIN AND FUNCTION COMPATIBLE
WITH 54/74LS194



Pinout

Connection Diagram Connection Diagram


Specifications

Symbol Parameter Value Unit
VCC Supply Voltage -0.5 to +7 V
VI DC Input Voltage -0.5 to VCC + 0.5 V
VO DC Output Voltage -0.5 to VCC + 0.5 V
IIK DC Input Diode Current ± 20 mA
IOK DC Output Diode Current ± 20 mA
IO DC Output Source Sink Current Per Output Pin ± 25 mA
ICC or IGND DC VCC or Ground Current ± 50 mA
PD Power Dissipation 500 (*) mW
Tstg Storage Temperature -65 to +150 oC
TL Lead Temperature (10 sec) 300 oC



Description

   The M54/74HC194 isahigh speed CMOS4BITPIPO SHIFT REGISTER fabricated in silicon gate C2MOS technology. It has the same high speed performance of LSTTL combined with true CMOS low power consumption.This SHIFT REGISTER is designed to incorporate virtually allof thefeaturesasystemdesigner may want in a shift register. It features parallel inputs,parallel outputs, right shift and left shift serial inputs,clear line. The register has four distinctmodes ofoperation: PARALLEL (broadside) LOAD;SHIFT RIGHT(in the direction QA QD); SHIFT LEFT ; INHIBIT CLOCK (do nothing). Synchronous parallel loading is accomplished byapplying thefour databitsand taking both mode control inputs, S0 and S1 high. The data are loaded into their respective flip-flops and appear at the outputs after the positive transition of the CLOCK input. During loading, serial data flow is inhibited.

  M54/74HC194 Shift right is accomplished synchronously with the rising edge of the clock pulse when S0 is high and S1 is low. Serial data for this mode is entered at the SHIFT RIGHT data input. When S0 is low and S1 is high,data shiftsleft synchronously and newdatais entered at the SHIFT LEFT serial input. Clocking of the flipflops isinhibited when bothmode control inputs are low. Themode control inputs should be changed only when theCLOCKinput ishigh. All inputs areequipped with protection circuits against static discharge and transient excess voltage.


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