HD74HC279 Datasheet Quad. S-R Latches

Manufacturer: Hitachi Semiconductor (now Renesas)

Datasheet Details

Part number	HD74HC279
Manufacturer	Hitachi Semiconductor (now Renesas)
File Size	59.11 KB
Description	Quad. S-R Latches
Download	HD74HC279 Download (PDF)

The latch is ideally suited for use as temporary stage for binary information processing and input/output units.

When either S or R is low, output is dependent on R input.

When both inputs are high, Output is stored before the indicated steady-state input conditions were established.

HD74HC279 Quad.

S–R Latches.

High Speed Operation: tpd (S to Q) = 10 ns typ (CL = 50 pF) High Output Current: Fanout of 10 LSTTL Loads Wide Operating Voltage: VCC = 2 to 6 V Low Input Current: 1 µA max Low Quiescent Supply Current: ICC (static) = 2 µA max (Ta = 25°C) Function Table Input S.
H L H L H : L : Q0 : Notes: 2 Output R H H L L Q Q0 H L H.
1 High level Low level The level of Q respectively, before the indicated steady-state input conditions were establishe.

Brand Logo	Part Number	Description	Manufacturer
	HD74HC279	Octal D-type Flip-Flops	Renesas

Part Number	Description
HD74HC27	Triple 3-input NOR Gates
HD74HC273	Octal D-type Flip-Flops (with Clear)
HD74HC20	Dual 4-input NAND Gates
HD74HC21	Dual 4-input AND Gates
HD74HC221	Dual Monostable Multivibrators (with Schmitt Trigger Input)
HD74HC237	3-to-8-line Decoder/Demultiplexer with Address Latch
HD74HC238	3-to-8-line Decoder/Demultiplexer
HD74HC240	Octal Buffers/Line Drivers/Line Receivers(with inverted 3-state outputs)
HD74HC241	Octal Buffers/Line Drivers/Line Receivers(with noninverted 3-state outputs)
HD74HC242	Quad. Bus Transceivers (with 3-state outputs)/Quad. Bus Transceivers (with noninverted 3-state outputs)