參數(shù)資料
型號(hào): LS7061
廠商: LSI Corporation
元件分類: 通用總線功能
英文描述: 32 BIT/DUAL 16 BIT BINARY UP COUNTER WITH BYTE MULTIPLEXED THREE-STATE OUTPUTS
中文描述: 32位/雙16位與字節(jié)二元復(fù)三項(xiàng)反態(tài)輸出
文件頁數(shù): 7/7頁
文件大?。?/td> 68K
代理商: LS7061
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
TEST COUNT
6 STATE
STATIC SCAN COUNTER AND
DECODER
(STOPS IN STATE 6 UNTIL SCAN RESET
CAUSES RESET TO STATE ONE)
R
SC
ST2
ST3
ST4
ST5
C
SC
V
DD
V
SS
ENABLE
SCAN
SCAN RESET/LOAD
8 BIT MUX BUS
EN
THREE STATE
OUTPUT DRIVERS
8 BITS
ENABLE
LSB
MSB
DATA OUT
ST6
CASCADE ENABLE
11
RESET
FIGURE 8A. LS7061 BLOCK DIAGRAM
B0
9
B0
B7
+V
-V
1
12
14
13
15
16
10
7
5
3
24
23 20 18
B0
B7
B0
B7
B0
B7
B1 B2 B3 B4 B5 B6 B7
B0
B1
B2
B3
B4
B5
B6
B7
LOAD
8 BIT LATCH
G
MUX
GATE
DATA IN
(COUNT)
ST1
22
19
2
21
17
6
8
4
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
8 BIT BINARY
COUNTER
R
C
LOAD
8 BIT LATCH
G
MUX
GATE
6 STATE
STATIC SCAN COUNTER AND
DECODER
(STOPS IN STATE 6 UNTIL SCAN RESET
CAUSES RESET TO STATE ONE)
R
SC
ST1
ST2
ST3
ST4
ST5
C
SC
V
DD
V
SS
ENABLE
SCAN
SCAN RESET/LOAD
8 BIT MUX BUS
EN
THREE STATE
OUTPUT DRIVERS
8 BITS
ENABLE
LSB
MSB
DATA OUT
ST6
CASCADE ENABLE
11
RESET
FIGURE 8B. LS7063 BLOCK DIAGRAM
B0
B7
+V
-V
COUNT B
10
1
12
15
B0
9
7
5
3
24 23
20
18
B1 B2 B3 B4 B5 B6 B7
B0
B7
B0
B7
B0
B7
16
13
14
B0
B1
B2
B3
B4
B5
B6
B7
LOAD
8 BIT LATCH
G
MUX
GATE
DATA IN
(COUNT A)
22
19
2
21
17
6
8
4
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