參數(shù)資料
型號(hào): MC14029BF
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: Binary/Decade Up/Down Counter
中文描述: 4000/14000/40000 SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16
封裝: EIAJ, SOIC-16
文件頁(yè)數(shù): 4/8頁(yè)
文件大?。?/td> 279K
代理商: MC14029BF
MOTOROLA CMOS LOGIC DATA
123
MC14029B
Figure 1. Power Dissipation Test Circuit and Waveform
VDD
ID
500 pF
0.01
μ
F
CERAMIC
PULSE
GENERATOR
PE
Cin
B/D
U/D
CLK
P0
P1
P2
P3
Cout
Q3
Q2
Q1
Q0
CL
CL
CL
CL
CL
VDD
VSS
20 ns
20 ns
CLK
50%
90%
10%
VARIABLE
WIDTH
Figure 2. Switching Time Test Circuit and Waveforms
PROGRAMMABLE
PULSE
GENERATOR
VDD
PE
Cin
B/D
U/D
CLK
P0
P1
P2
P3
Cout
Q3
Q2
Q1
Q0
CL
VSS
CL
CL
CL
CL
tW
tsu
trem
1/fcl
50%
50%
tW
Cout ONLY
tTLH
tPLH
tPLH
tPHL
tTHL
90%
10%
90%
10%
20 ns
CARRY IN OR
UP/DOWN
OR BINARY/DECADE
CLOCK
PRESET ENABLE
Q0 OR CARRY OUT
VDD
VSS
VDD
VSS
VDD
VSS
VOH
VOL
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