74hc4543 NXP Semiconductors, 74hc4543 Datasheet - Page 9

• Manufacturer Part Number: 74hc4543
• Description: Bcd To 7-segment Latch/decoder/driver For Lcds
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Note to HCT types
The value of additional quiescent supply current ( I
To determine I
AC CHARACTERISTICS FOR 74HCT
GND = 0 V; t
December 1990
INPUT
D
D
BI
LD
PH
t
t
t
t
t
t
t
t
SYMBOL
PHL
PHL
PHL
PHL
THL
W
su
h
BCD to 7-segment latch/decoder/driver for
LCDs
0
3
, D
/ t
/ t
/ t
/ t
/ t
1
TLH
PLH
PLH
PLH
PLH
, D
2
r
propagation delay
propagation delay
propagation delay
propagation delay
output transition time
LD pulse width
set-up time
hold time
= t
D
LD to Q
BI to Q
PH to Q
HIGH or LOW
D
D
n
n
n
CC
f
PARAMETER
to Q
to LD
to LD
= 6 ns; C
per input, multiply this value by the unit load coefficient shown in the table below.
n
n
n
n
UNIT LOAD COEFFICIENT
1.00
0.50
0.50
1.50
1.25
L
= 50 pF
10
12
8
min. typ. max. min. max. min. max.
38
36
32
24
23
4
4
2
25
80
68
66
66
50
CC
) for a unit load of 1 is given here.
T
74HCT
amb
13
15
10
40 to 85
9
( C)
100
85
83
83
63
15
18
12
40 to 125
120
102
99
99
75
ns
ns
ns
ns
ns
ns
ns
ns
UNIT
74HC/HCT4543
4.5
4.5
4.5
4.5
4.5
4.5
4.5
4.5
V
(V)
CC
TEST CONDITIONS
Product specification
Fig.12
Fig.13
Fig.14
Figs 12, 13 and 14
Fig.13
Fig.15
Fig.15
OTHER