參數(shù)資料
型號: MC14XXXBDW
廠商: Motorola, Inc.
英文描述: BCD-TO-SEVEN SEGMENT LATCH/DECODER/DRIVER
中文描述: BCD碼到七段鎖存器/解碼器/驅(qū)動器
文件頁數(shù): 4/9頁
文件大?。?/td> 135K
代理商: MC14XXXBDW
MOTOROLA CMOS LOGIC DATA
MC14511B
364
Figure 1. Dynamic Power Dissipation Signal Waveforms
Input LE low, and Inputs D, BI and LT high.
f in respect to a system clock.
All outputs connected to respective CL loads.
20 ns
20 ns
VDD
VSS
VOH
VOL
90%
50%
1
2f
10%
50%
A, B, AND C
ANY OUTPUT
50% DUTY CYCLE
Figure 2. Dynamic Signal Waveforms
20 ns
20 ns
VDD
90%
50%
10%
INPUT C
(a) Inputs D and LE low, and Inputs A, B, BI and LT high.
VSS
VOH
VOL
OUTPUT g
tPLH
tPHL
90%
10%
50%
tTLH
tTHL
(b) Input D low, Inputs A, B, BI and LT high.
20 ns
10%
90%
50%
VDD
VSS
VDD
VSS
VOH
VOL
th
tsu
50%
INPUT C
OUTPUT g
LE
(c) Data DCBA strobed into latches.
20 ns
20 ns
VDD
VSS
LE
90%
50%
10%
tWL
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