HD74HC83RPEL 查看數據表（PDF） - Renesas Electronics

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HD74HC83RPEL

4-bit Binary Full Adder (with Fast Carry)

Renesas Electronics 

HD74HC83

Test Circuit

VCC

Input

Pulse generator

Zout = 50 Ω

VCC

A4

C4

B4

A3

B3

A2

Σ4

B2

A1

B1

C0

Σ1

Output

Output

CL = 50 pF

Output

CL = 50 pF

CL = 50 pF

Note: CL includes the probe and jig capacitance.

Waveforms

tr

tf

90 %

90 %

VCC

Input

50 %

50 %

10 %

10 %

0V

tPLH

tPHL

Same-phase output

50 %

10 %

90 %

tPHL tTLH

90 %

VOH

50 %

10 %

VOL

tPLH

tTHL

Inverse-phase output

90 %

50 %

10 %

90 %

VOH

50 %

10 %

VOL

tTHL

tTLH

Notes: 1. Input waveform: PRR ≤ 1 MHz, Zo = 50 Ω, tr ≤ 6 ns, tf ≤ 6 ns

2. The output are measured one at a time with one transition per measurement.

Rev.2.00, Oct 06, 2005 page 5 of 6

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