CD74HC238NS
CD74HC238NS is High-Speed CMOS Logic 3 to 8-Line Decoder/Demultiplexer Inverting/Noninverting manufactured by Texas Instruments.
- Part of the CD74HC138 comparator family.
- Part of the CD74HC138 comparator family.
Features
- Select one of eight data outputs:
- Active low for '138
- Active high for '238
- l/O port or memory selector
- Three enable inputs to simplify cascading
- Typical propagation delay of 13 ns at VCC = 5 V, CL = 15 p F, TA = 25°C
- Fanout (over temperature range)
- Bus driver outputs: 15 LSTTL loads
- Standard outputs: 10 LSTTL loads
- Wide operating temp range: -55°C to 125°C
- Balanced propagation delay and transition times
- Significant power reduction pared to LSTTL logic ICs
- HC types
- 2 V to 6 V operation
- High noise immunity: NIL = 30%, NIH = 30% of
VCC at VCC = 5 V
- HCT types
- 4.5-V to 5.5-V operation
- Direct LSTTL input logic patibility, VIL= 0.8
V (Max), VIH = 2 V (Min)
- CMOS input patibility, Il ≤ 1µA at VOL, VOH
3:8 DECODER
OUTPUT ENABLE
A0
Y0
A1
Y1
A2
Y2
G0
Y3
G1
Y4...
