HEF4543B 데이터 시트보기 (PDF) - NXP Semiconductors.
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HEF4543B Datasheet PDF : 16 Pages
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NXP Semiconductors
HEF4543B
BCD to 7-segment latch/decoder/driver
a. Input waveforms
VI 90 %
tW
negative
pulse
VM
10 %
0V
tf
VI
positive
pulse
tr
90 %
VM
10 %
0V
tW
VM
tr
tf
VM
001aaj781
VDD
VI
G
VO
DUT
RT
CL
001aag182
b. Test circuit
Fig 7.
Test data is given in Table 9.
Definitions for test circuit:
RL = Load resistance;
CL = Load capacitance including jig and probe capacitance;
RT = Termination resistance should be equal to output impedance Zo of the pulse generator.
Test circuit for switching times
Table 9. Test data
Supply voltage
5 V to 15 V
Input
VI
VDD
VM
0.5VI
13. Application information
tr, tf
≤ 20 ns
Some examples of applications for the HEF4543B are:
• Driving LCD displays
• Driving LED displays
• Driving fluorescent displays
• Driving incandescent displays
• Driving gas discharge displays
Load
CL
50 pF
HEF4543B_5
Product data sheet
Rev. 05 — 27 October 2009
© NXP B.V. 2009. All rights reserved.
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