參數(shù)資料
型號(hào): HEF4543B
廠商: NXP Semiconductors N.V.
英文描述: BCD to 7-segment latch/decoder/driver(BCD-7段鎖存器/譯碼器/驅(qū)動(dòng)器)
中文描述: BCD碼至7段鎖存器/解碼器/驅(qū)動(dòng)器(的BCD - 7段鎖存器/譯碼器/驅(qū)動(dòng)器)
文件頁(yè)數(shù): 5/8頁(yè)
文件大小: 85K
代理商: HEF4543B
January 1995
5
Philips Semiconductors
Product specification
BCD to 7-segment latch/decoder/driver
HEF4543B
MSI
AC CHARACTERISTICS
V
SS
= 0 V; T
amb
= 25
°
C; C
L
= 50 pF; input transition times
20 ns
V
DD
V
SYMBOL
MIN.
TYP.
MAX.
TYPICAL EXTRAPOLATION
FORMULA
Propagation delays
D
n
O
n
HIGH to LOW
5
180
75
55
180
75
55
170
80
60
190
80
60
145
65
45
125
55
40
60
30
20
60
30
20
30
15
10
20
360
150
110
360
150
110
340
160
120
380
160
120
290
130
90
250
110
80
120
60
40
120
60
40
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
153 ns
+
(0,55 ns/pF) C
L
64 ns
+
(0,23 ns/pF) C
L
47 ns
+
(0,16 ns/pF) C
L
153 ns
+
(0,55 ns/pF) C
L
64 ns
+
(0,23 ns/pF) C
L
47 ns
+
(0,16 ns/pF) C
L
143 ns
+
(0,55 ns/pF) C
L
69 ns
+
(0,23 ns/pF) C
L
52 ns
+
(0,16 ns/pF) C
L
163 ns
+
(0,55 ns/pF) C
L
69 ns
+
(0,23 ns/pF) C
L
52 ns
+
(0,16 ns/pF) C
L
118 ns
+
(0,55 ns/pF) C
L
54 ns
+
(0,23 ns/pF) C
L
37 ns
+
(0,16 ns/pF) C
L
98 ns
+
(0,55 ns/pF) C
L
54 ns
+
(0,23 ns/pF) C
L
32 ns
+
(0,16 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
10 ns
+
(1,0 ns/pF) C
L
9 ns
+
(0,42 ns/pF) C
L
6 ns
+
(0,28 ns/pF) C
L
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
5
10
15
t
PHL
LOW to HIGH
t
PLH
LD
O
n
HIGH to LOW
t
PHL
LOW to HIGH
t
PLH
BI
O
n
HIGH to LOW
t
PHL
LOW to HIGH
t
PLH
Output transition times
HIGH to LOW
t
THL
LOW to HIGH
t
TLH
Minimum LD
pulse width; HIGH
60
30
20
40
20
15
0
15
20
t
WLDH
Set-up time
D
n
LD
t
su
5
0
Hold time
D
n
LD
15
t
hold
0
5
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