參數(shù)資料
型號: LS7061C
廠商: LSI Corporation
元件分類: 通用總線功能
英文描述: 32 BIT BINARY UP COUNTER WITH BYTE MULTIPLEXED THREE-STATE OUTPUTS
中文描述: 32位二進(jìn)制字節(jié)復(fù)用與三個(gè)反態(tài)輸出
文件頁數(shù): 7/7頁
文件大?。?/td> 98K
代理商: LS7061C
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
5 STATE
STATIC SCAN COUNTER AND
DECODER
(STOPS IN STATE 5 UNTIL SCAN RESET
CAUSES RESET TO STATE ONE)
R
SC
ST1
ST2
ST3
ST4
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
ST5
CASCADE ENABLE
8
RESET
FIGURE 9A. LS7060C BLOCK DIAGRAM
ALT COUNT
COUNT
B0
6
B0
B7
+V
-V
18
9
11
10
12
1
2
13
7
5
4
3
17
16 15
14
B0
B7
B0
B7
B0
B7
B1 B2 B3 B4 B5 B6 B7
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 9B. LS7061C 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
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