MC14511_15 Datasheet, PDF (7/9 Pages) Unisonic Technologies – BCD-TO-SEVEN SEGMENT LATCH/DECODER/DRIVER

UTC MC14511
SWITCHING TIME WAVEFORMS
CMOS IC
20 ns
A, B, AND C
90%
20 ns
VDD
50%
1
10%
2f
Vss
50% DUTY CYCLE
VOH
ANY OUTPUT
50%
VOL
Input LE low, and Inputs D, BI and LT high.
f in respect to a system clock.
All outputs connected to respective C L loads.
Figure 1. Dynamic Power Dissipation Signal Waveforms
LE
20 ns
INPUT C
tPLH
OUTPUT g
90%
50%
10%
20 ns
VDD
tPHL
90%
Vss
VOH
50%
10%
tTLH
tTHL
VOL
(a) Inputs D and LE low, and Inputs A, B, BI
and LT high
INPUT C
OUTPUT g
20 ns
10%
tsu
90%
50%
th
50%
VDD
Vss
VDD
Vss
VOH
VOL
(b) Input D low, Inputs A, B, BI and LT high
20 ns
90%
LE
50%
10%
tWL
20 ns
VDD
Vss
(c) Data DCBA strobed into Iatches.
Figure 2. Dynamic Signal Waveforms
UTC UNISONIC TECHNOLOGIES CO., LTD. 7
QW-R502-021,B