FIGURE 9A.
LS7060 BLOCK DIAGRAM
CASCADE ENABLE
8
LSB
DATA OUT
MSB
B0 B1 B2 B3 B4 B5 B6 B7
V
DD
V
SS
18
9
+V
-V
5 STATE
STATIC SCAN COUNTER AND
C
SC
DECODER
(STOPS IN STATE 5 UNTIL SCAN RESET
R
SC
CAUSES RESET TO STATE ONE)
ST1
ST2
ST3
ST4
ST5
ENABLE
6
5
4
3
17 16 15
14
ENABLE
SCAN
SCAN RESET/LOAD
11
10
12
EN
THREE STATE
OUTPUT DRIVERS
8 BITS
8 BIT MUX BUS
G
MUX
GATE
G
MUX
GATE
G
MUX
GATE
G
MUX
GATE
LOAD
8 BIT LATCH
LOAD
8 BIT LATCH
LOAD
8 BIT LATCH
LOAD
8 BIT LATCH
B0
COUNT
1
B7
8 BIT BINARY
COUNTER
B0
C
R
B7
8 BIT BINARY
COUNTER
B0
C
R
B7
8 BIT BINARY
COUNTER
C
B0
B7
8 BIT BINARY
COUNTER
C
R
R
2
ALT COUNT
13
7
RESET
TEST COUNT
FIGURE 9B.
LS7062 BLOCK DIAGRAM
CASCADE ENABLE
8
DATA OUT
LSB
MSB
B0 B1 B2 B3 B4 B5 B6 B7
V
DD
V
SS
18
9
+V
-V
11
10
12
6
5
4
3
17 16
15 14
ENABLE
SCAN
SCAN RESET/LOAD
5 STATE
STATIC SCAN COUNTER AND
C
SC
DECODER
(STOPS IN STATE 5 UNTIL SCAN RESET
R
SC
CAUSES RESET TO STATE ONE)
ST1
ST2
ST3
ST4
ST5
ENABLE
EN
THREE STATE
OUTPUT DRIVERS
8 BITS
8 BIT MUX BUS
G
MUX
GATE
G
MUX
GATE
G
MUX
GATE
G
MUX
GATE
LOAD
8 BIT LATCH
LOAD
8 BIT LATCH
LOAD
8 BIT LATCH
LOAD
8 BIT LATCH
B0
COUNT A
1
C
R
B7
8 BIT BINARY
COUNTER
B0
C
R
B7
8 BIT BINARY
COUNTER
B0
C
R
B7
8 BIT BINARY
COUNTER
B0
C
R
B7
8 BIT BINARY
COUNTER
2
ALT COUNT
13
7
COUNT B
RESET
7060-012703-6
LSI [ LSI COMPUTER SYSTEMS ]
