English
Language : 

MC14543B_14 Datasheet, PDF (4/8 Pages) ON Semiconductor – BCD-to-Seven Segment Latch/Decoder/Driver for Liquid Crystals
◁
MC14543B
SWITCHING CHARACTERISTICS (Note 6) (CL = 50 pF, TA = 25_C)
Characteristic
Symbol
VDD
Min
Typ
Max
Unit
Output Rise Time
tTLH = (3.0 ns/pF) CL + 30 ns
tTLH = (1.5 ns/pF) CL + 15 ns
tTLH = (1.1 ns/pF) CL + 10 ns
tTLH
ns
5.0
−
100
200
10
−
50
100
15
−
40
80
Output Fall Time
tTHL = (1.5 ns/pF) CL + 25 ns
tTHL = (0.75 ns/pF) CL + 12.5 ns
tTHL = (0.55 ns/pF) CL + 12.5 ns
tTHL
ns
5.0
−
100
200
10
−
50
100
15
−
40
80
Turn−Off Delay Time
tPLH = (1.7 ns/pF) CL + 520 ns
tPLH = (0.66 ns/pF) CL + 217 ns
tPLH = (0.5 ns/pF) CL + 160 ns
tPLH
ns
5.0
−
605
1210
10
−
250
500
15
−
185
370
Turn−On Delay Time
tPHL = (1.7 ns/pF) CL + 420 ns
tPHL = (0.66 ns/pF) CL + 172 ns
tPHL = (0.5 ns/pF) CL + 130 ns
tPHL
ns
5.0
−
505
1650
10
−
205
660
15
−
155
495
Setup Time
tsu
5.0
350
10
450
15
500
−
ns
−
−
Hold Time
th
5.0
40
10
30
15
20
−
ns
−
−
Latch Disable Pulse Width (Strobing Data)
tWH
6. The formulas given are for the typical characteristics only.
5.0
250
125
10
100
50
15
80
40
−
ns
−
−
VDD = PIN 16
VSS = PIN 8
LOGIC DIAGRAM
BI 7
A 5
 9 a
10 b
B 3
11 c
12 d
C 2
13 e
15 f
D 4
14 g
LD 1
PHASE 6
http://onsemi.com
4
 ▷