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M74HC299B1R

IC UNIV SHIFT REGISTER 20DIP

Product Category: Universal Bus Functions
Mfr. Part #
M74HC299B1R
Manufacturer: STMicroelectronics
Package: 20-DIP (0.300", 7.62mm)
Lead Free Status /RoHS Status:
Data Sheet: M74HC299B1R Datasheet
Inventory: In Stock

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Mfr. Part #: M74HC299B1R

Specifications
Product Details

Specifications

Manufacturer STMicroelectronics

Product Category Universal Bus Functions

Series 74HC

Packaging Tube

Package-Case 20-DIP (0.300", 7.62mm)

Operating-Temperature -55Â°C ~ 125Â°C

Mounting-Type Through Hole

Voltage-Supply 2 V ~ 6 V

Supplier-Device-Package 20-DIP

Number-of-Circuits 8-Bit

Number-of-Inputs -

Current-Output-High-Low 5.2mA, 5.2mA

Logic-Type Universal Shift Register

Product Details

DESCRIPTION

The M54/74HC299/323 are high speed CMOS 8-BIT PIPO SHIFT REGISTERS (3-STATE) fabri cated with silicon gate C2MOS technology.
They achieve the high speed operation similar to equivalent LSTTL while maintaining the CMOS low power consumption.
These devices have four modes (HOLD, SHIFT LEFT,SHIFT RIGHTand LOADDATA). Each mode is chosen by two function select inputs (S0, S1).
When one or both enable inputs, (G1, G2) are high, the eight input/output terminals are in the high impedance state ; however sequential operation or clearing of the register is not affected.
Clear function on the HC299 is asynchronous to CLOCK, while the HC323 is cleared synchronous to clock.
All inputs are equipped with protection circuits against static discharge and transient excess volt age.

â– HIGH SPEED

fMAX = 42 MHz (TYP.) AT VCC = 5V
â– LOW POWER DISSIPATION
ICC = 4 ÂµA (MAX.) AT TA = 25 Â°C
â– HIGH NOISE IMMUNITY
VNIH = VNIL = 28 % VCC (MIN.)
â– OUTPUT DRIVE CAPABILITY
10 LSTTL LOADS FOR QAâ€™ TO QHâ€™
15 LSTTL LOADS FOR QA TO QH
â– SYMMETRICAL OUTPUT IMPEDANCE
|IOH| = IOL = 6 mA (MIN.) FOR QA, TO QH,
|IOH| = IOL = 4 mA (MIN.) FOR QA, TO QH
â– BALANCED PROPAGATION DELAYS
tPLH = tPHL
â– WIDE OPERATING VOLTAGE RANGE
VCC (OPR) = 2 V TO 6 V
â– PIN AND FUNCTION COMPATIBLE WITH 54/74LS299

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Mfr. Part #: M74HC299B1R