CD74HCT147

활성

고속 CMOS 로직 10~4라인 우선 순위 인코더

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document-pdfAcrobat CDx4HC147, CD74HCT147 High-Speed CMOS Logic 10- to 4-Line Priority Encoder datasheet (Rev. G) (영어) PDF | HTML

CD74HCT147

활성

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제품 상세 정보

Technology family

HCT

Function

Encoder

Configuration

10:4

Number of channels

Operating temperature range (°C)

-55 to 125

Rating

Catalog

Technology family

HCT

Function

Encoder

Configuration

10:4

Number of channels

Operating temperature range (°C)

-55 to 125

Rating

Catalog

PDIP (N)

181.42 mm² (19.3 mm × 9.4 mm)

Buffered inputs and outputs
Typical propagation delay: 13ns at VCC = 5V, CL = 15pF, TA = 25oC
Fanout (over temperature range)
- 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

Buffered inputs and outputs
Typical propagation delay: 13ns at VCC = 5V, CL = 15pF, TA = 25oC
Fanout (over temperature range)
- 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 CDx4HC147 and CD74HCT147 are 9-input priority encoders. These devices provide the 10-line to 4-line priority encoding function by use of the implied decimal “zero.”

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