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CD74HC4543 Datasheet(PDF) 5 Page - Texas Instruments

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Part No. CD74HC4543
Description  High-Speed CMOS Logic BCD to 7-Segment Latch/Decoder/Driver for LCDs
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
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CD74HC4543 Datasheet(HTML) 5 Page - Texas Instruments

 
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5
Prerequisite for Switching Specifications
PARAMETER
SYMBOL
VCC (V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
Setup Time Dn to LD
tSU
260
-
-
75
-
-
90
-
-
ns
4.5
12
-
-
15
-
-
18
-
-
ns
610
-
-
13
-
-
15
-
-
ns
Hold Time Dn to LD
tH
230
-
-
40
-
-
45
-
-
ns
4.5
6
-
-
8
-
-
9
-
-
ns
65
-
-
7
-
-
8
-
-
ns
Latch Disable Pulse
Width
tW
250
-
-
65
-
-
75
-
-
ns
4.5
10
-
-
13
-
-
15
-
-
ns
6
9
-
-
11
-
-
13
-
-
ns
Switching Specifications Input tr, tf = 6ns
PARAMETER
SYMBOL
TEST
CONDITIONS
VCC
(V)
25oC
-40oC TO 85oC
-55oC TO 125oC
UNITS
MIN
TYP
MAX
MIN
MAX
MIN
MAX
Propagation Delay,
Dn to Output
tPLH, tPHL
CL = 50pF
2
-
-
340
-
425
-
510
ns
4.5
-
-
68
-
85
-
102
ns
6
-
-
58
-
72
-
87
ns
CL = 15pF
5
-
28
-
----
ns
Propagation Delay,
LD to Output
tPLH, tPHL
CL = 50pF
2
-
-
370
-
465
-
555
ns
4.5
-
-
74
-
93
-
111
ns
6
-
-
63
-
79
-
94
ns
CL = 15pF
5
-
31
-
----
ns
Propagation Delay,
BI to Output
tPLH, tPHL
CL = 50pF
2
-
-
265
-
330
-
400
ns
4.5
-
-
53
-
66
-
80
ns
6
-
-
45
-
56
-
68
ns
CL = 15pF
5
-
22
-
----
ns
Propagation Delay,
PH to Output
tPLH, tPHL
CL = 50pF
2
-
-
200
-
250
-
300
ns
4.5
-
-
40
-
50
-
60
ns
6
-
-
34
-
43
-
51
ns
CL = 15pF
5
-
17
-
----
ns
Transition Time
tTHL, tTLH
CL = 50pF
2
-
-
250
-
315
-
375
ns
4.5
-
-
50
-
63
-
75
ns
6
-
-
43
-
54
-
64
ns
Input Capacitance
CI
-
-
-
-
10
-
10
-
10
pF
Power Dissipation Capacitance
(Notes 3, 4)
CPD
-
5
-
52
-
----
pF
NOTES:
3. CPD is used to determine the dynamic power consumption, per package.
4. PD =CPD VCC
2 f
i + Σ CL VCC
2 f
o where fi = input frequency, fo = output frequency, CL = output load capacitance, VCC = supply voltage.
CD74HC4543


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