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DATA SHEET
CDx4HC243, CDx4HCT243 High-Speed CMOS Logic Quad-Bus Transceiver with Three-State Outputs
1 Features
- Typical
propagation delay (A to B, B to A) of 7ns at VCC
= 5 V, CL = 15pF, TA =
25oC
- Three-state
outputs
- Buffered
inputs
- 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
-
2 V to 6 V Operation
- High noise immunity: NIL = 30%,
NIH = 30% of VCC at
VCC = 5V
- HCT types
- 4.5 V to 5.5 V operation
- Direct LSTTL input logic compatibility,
VIL= 0.8 V (Max), VIH = 2 V
(Min)
- CMOS input compatibility, Il ≤ 1µA at
VOL, VOH