74F193 Datasheet, PDF (3/12 Pages) NXP Semiconductors – Up/down binary counter with separate up/down clocks

Philips Semiconductors
Up/down binary counter with separate up/down clocks
Product specification
74F193
LOGIC SYMBOL
15 1 10 9
D0 D1 D2 D3
11
PL
5
CP_U
TC_U
12
4
CP_D
TC_D
13
14
MR
Q0 Q1 Q2 Q3
V_CC = Pin 16
GND = Pin 8
3267
SF00746
STATE DIAGRAM
0
1
2
3
4
15
5
14
6
13
7
12
11
10
9
8
COUNT UP
COUNT DOWN
TC_U = Q0 ^. Q1 ^. Q2 ^. Q3 ^. CP_U
TC_D = Q0 ^. Q1 ^. Q2 ^. Q3 ^. CP_D
Logic Equations for Terminal Count
SF00748
LOGIC SYMBOL (IEEE/IEC)
11
C3 CTR DIV 16
5
2+
12
1CT=15
G1
4
1–
2CT=0
13
G2
14
R
15
3D
[1]
1
[2]
10
[4]
9
[8]
3
2
6
7
SF00747
1995 Jul 17
3