74hc6323a NXP Semiconductors, 74hc6323a Datasheet - Page 3

• Manufacturer Part Number: 74hc6323a
• Description: Programmable Ripple Counter With Oscillator; 3-state
• Manufacturer: NXP Semiconductors

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