參數(shù)資料
型號(hào): CD40208BMS
廠商: Intersil Corporation
英文描述: CMOS 4 x 4 Multiport Register
中文描述: 的CMOS 4 × 4多端口注冊(cè)
文件頁(yè)數(shù): 8/11頁(yè)
文件大小: 130K
代理商: CD40208BMS
7-1438
CD40208BMS
TRUTH TABLE
CLOCK
WRITE
ENABLE
WRITE
1
WRITE
0
READ
1A
READ
0A
READ
1B
READ
0B
ENABLE
A
ENABLE
B
Dn
QnA
QnB
1
S1
S2
S1
S2
S1
S2
1
1
1
1
1
1
S1
S2
S1
S2
S1
S2
1
1
0
0
0
X
X
X
X
X
X
X
X
0
0
X
Z
Z
1
0
0
0
1
1
0
1
1
Dn to
Word 0
Word 1
Out
Word 2
Out
0
0
0
0
1
1
0
1
1
Word 0
Not
Altered
Word 1
Out
Word 2
Out
X
X
X
X
1
0
0
1
1
1
X
Word 2
Out
Word 1
Out
X
X
X
X
X
X
X
1
1
X
NC
NC
1 = High Level; 0 = Low Level; X = Don’t Care; Z = High Impedance
NOTE: S1 and S2 refer to input states of either 1 or 0.
Typical Performance Characteristics
FIGURE 3. TYPICAL OUTPUT LOW (SINK) CURRENT CHAR-
ACTERISTICS
FIGURE 4. MINIMUM OUTPUT LOW (SINK) CURRENT CHAR-
ACTERISTICS
FIGURE 5. TYPICAL OUTPUT HIGH (SOURCE) CURRENT
CHARACTERISTICS
FIGURE 6. MINIMUM OUTPUT HIGH (SOURCE) CURRENT
CHARACTERISTICS
10V
5V
AMBIENT TEMPERATURE (T
A
) = +25
o
C
GATE-TO-SOURCE VOLTAGE (VGS) = 15V
0
5
10
15
15
10
5
20
25
30
DRAIN-TO-SOURCE VOLTAGE (VDS) (V)
O
10V
5V
AMBIENT TEMPERATURE (T
A
) = +25
o
C
GATE-TO-SOURCE VOLTAGE (VGS) = 15V
0
5
10
15
7.5
5.0
2.5
10.0
12.5
15.0
DRAIN-TO-SOURCE VOLTAGE (VDS) (V)
O
-10V
-15V
AMBIENT TEMPERATURE (T
A
) = +25
o
C
GATE-TO-SOURCE VOLTAGE (VGS) = -5V
0
-5
-10
-15
DRAIN-TO-SOURCE VOLTAGE (VDS) (V)
-15
-20
-25
-30
0
-5
-10
O
-10V
-15V
AMBIENT TEMPERATURE (T
A
) = +25
o
C
GATE-TO-SOURCE VOLTAGE (VGS) = -5V
0
-5
-10
-15
DRAIN-TO-SOURCE VOLTAGE (VDS) (V)
-15
0
-5
-10
O
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