LS7063-S Ver la hoja de datos (PDF) - LSI Corporation
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LS7063-S
LSI Corporation
LS7063-S Datasheet PDF : 7 Pages
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V DD 1
+V
V SS 12
-V
ENABLE 14
SCAN 13
SCAN RESET/LOAD 15
G
MUX
GATE
8 BIT LATCH LOAD
FIGURE 8A. LS7061 BLOCK DIAGRAM
6 STATE
ST6
STATIC SCAN COUNTER AND
CSC
DECODER
(STOPS IN STATE 6 UNTIL SCAN RESET
RSC CAUSES RESET TO STATE ONE)
ST1
ST2
ST3
ST4
ST5
CASCADE ENABLE
DATA OUT
11
LSB
MSB
B0 B1 B2 B3 B4 B5 B6 B7
9 7 5 3 24 23 20 18
ENABLE
THREE STATE
EN OUTPUT DRIVERS
8 BITS
G
MUX
GATE
LOAD
8 BIT LATCH
8 BIT MUX BUS
G
MUX
GATE
LOAD 8 BIT LATCH
G
MUX
GATE
LOAD
8 BIT LATCH
G
MUX
GATE
LOAD 8 BIT LATCH
B0
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
22
19
8
4
B0 21 B2 17 B4 6 B6 2
B1 B3 B5 B7
(COUNT)
DATA IN
V DD 1
+V
V SS 12
-V
ENABLE 14
SCAN 13
SCAN RESET/LOAD15
16
TEST COUNT
FIGURE 8B. LS7063 BLOCK DIAGRAM
ST6
6 STATE
STATIC SCAN COUNTER AND
CSC
DECODER
(STOPS IN STATE 6 UNTIL SCAN RESET
RSC CAUSES RESET TO STATE ONE)
ST1
ST2
ST3
ST4 ST5
10
RESET
CASCADE ENABLE
11
DATA OUT
LSB
MSB
B0 B1 B2 B3 B4 B5 B6 B7
9 7 5 3 24 23 20 18
ENABLE
THREE STATE
EN OUTPUT DRIVERS
8 BITS
G MUX
GATE
8 BIT LATCH LOAD
G
MUX
GATE
LOAD 8 BIT LATCH
8 BIT MUX BUS
G
MUX
GATE
LOAD
8 BIT LATCH
G
MUX
GATE
LOAD
8 BIT LATCH
G
MUX
GATE
LOAD
8 BIT LATCH
B0
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
22
19
8
4
B0 21 B2 17 B4 6 B6 2
B1 B3 B5 B7
(COUNT A)
DATA IN
16
COUNT B
10
RESET
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