HD74HC182 Datasheet, PDF (4/10 Pages) Hitachi Semiconductor – Look-Ahead Carry Generator

HD74HC182
Features
• High Speed Operation: t_pd (Pn to P) = 11 ns typ (C_L = 50 pF)
• High Output Current: Fanout of 10 LSTTL Loads
• Wide Operating Voltage: V_CC = 2 to 6 V
• Low Input Current: 1 µA max
• Low Quiescent Supply Current: I_CC (static) = 4 µA max (Ta = 25°C)
Pin Designations
Item
G₀, G₁, G₂, G₃
P₀, P₁, P₂, P₃
C_n
C_n+x, C_n+y, C_n+z
G
P
V_CC
GND
Pin No.
3, 1, 14, 5
4, 2, 15, 6
13
12, 11, 9
10
7
16
8
Functions
Active-low carry generate inputs
Active-low carry propagate inputs
Carry input
Carry outputs
Active-low carry propagate output
Active-low carry propagate output
Supply voltage
Ground
2