74HC6323A Datasheet, PDF (3/15 Pages) NXP Semiconductors – Programmable ripple counter with oscillator; 3-state

Philips Semiconductors
Programmable ripple counter with
oscillator; 3-state
Product specification
74HC/HCT6323A
PINNING
SYMBOL
OUT
S1 - S2
GND
MR
X2
X1
V_CC
PIN
DESCRIPTION
1 counter output
3, 2 mode select inputs for divide
by 1, 2, 4 or 8
4 ground (0 V)
5 master reset (active LOW)
6 oscillator pin
7 clock input/oscillator pin
8 positive supply
FUNCTION TABLE
INPUTS
S1
S2
0
0
0
1
1
0
1
1
OUTPUTS
OUT
f_i
f_i/2
f_i/4
f_i/8
handbook, halfpage
OUT 1
S2 2
S1 3
GND 4
6323A
8 ^VCC
7 X1
6 X2
5 MR
MBA343
Fig.1 Pin configuration.
handbook, halfpage
X1
7
5
MR
6
X2
CP
CD
3 _S1
2 S2 OUT 1
MBA344
Fig.2 IEC logic symbol.
handbook, full pagewidth
September 1993
7 ^X1
5 MR
MBA350
6
X2
CP ^{3 - STAGE BINARY COUNTER}
AND DECODER
C _{D S1 S2}
OUT
32
1
Fig.3 Functional diagram.
3