HD74HC283 Datasheet, PDF (5/8 Pages) Hitachi Semiconductor – 4-bit Binary Full Adder

HD74HC283
Switching Characteristics
Item
Propagation delay
time
Output rise/fall
time
Input capacitance
Symbol V_CC (V)
t_PLH
2.0
t_PHL
4.5
6.0
t_PLH
2.0
t_PHL
4.5
6.0
t_PLH
2.0
t_PHL
4.5
6.0
t_PLH
2.0
t_PHL
4.5
6.0
t_TLH
2.0
t_THL
4.5
6.0
Cin
—
Ta = 25°C
Min Typ Max
— — 150
— 19 30
— — 26
— — 150
— 19 30
— — 26
— — 150
— 19 30
— — 26
— — 150
— 19 30
— — 26
— — 75
— 5 15
— — 13
— 5 10
(C_L = 50 pF, Input t_r = t_f = 6 ns)
Ta = –40 to +85°C Unit
Test Conditions
Min
Max
—
190
ns C₀ to Σ₁
—
38
—
33
—
190
ns A₁ or B₁ to Σ₁
—
38
—
33
—
190 ns C₀ to C₄
—
38
—
33
—
190 ns A₁ or B₁ to C₄
—
38
—
33
—
95
ns
—
19
—
16
—
10 pF
Test Circuit
VCC
Input
Pulse Generator
Zout = 50 Ω
VCC
A1
B1
C4
A2
B2
A3
B3
Σ1
A4
B4
C0
Σ4
Output
Output
Output
C_L = 50 pF
C_L = 50 pF
C_L = 50 pF
Note : 1. C_L includes probe and jig capacitance.
Rev.2.00 Jan 31, 2006 page 5 of 7