Octal D-Type Flip-Flop
Data sheet acquired from Harris Semiconductor SCHS188C
January 1998 - Revised April 2004
CD54/74HC534, CD54/74HCT534, C...
Description
Data sheet acquired from Harris Semiconductor SCHS188C
January 1998 - Revised April 2004
CD54/74HC534, CD54/74HCT534, CD54/74HC564, CD54/74HCT564
High-Speed CMOS Logic Octal D-Type Flip-Flop, Three-State Inverting Positive-Edge Triggered
[ /Title (CD74 HC534 , CD74 HCT53 4, CD74 HC564 , CD74 HCT56
Features
Description
Buffered Inputs
Common Three-State Output-Enable Control
Three-State Outputs
Bus Line Driving Capability
Typical Propagation Delay = CL = 15pF, TA = 25oC (Clock
13ns at VCC to Output)
=
5V,
Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . -55oC to 125oC
Balanced Propagation Delay and Transition Times
Significant Power Reduction Compared to LSTTL Logic ICs
HC Types - 2V to 6V Operation - High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
HCT Types - 4.5V to 5.5V Operation - Direct LSTTL Input Logic Compatibility, VIL= 0.8V (Max), VIH = 2V (Min) - CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH
The ’HC534, ’HCT534, ’HC564, and ’HCT564 are high speed Octal D-Type Flip-Flops manufactured with silicon gate CMOS technology. They possess the low power consumption of standard CMOS integrated circuits, as well as the ability to drive 15 LSTTL loads. Due to the large output drive capability and the three-state feature, these devices are ideally suited for interfacing with bus ...
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