參數(shù)資料
型號(hào): MC14021BFR1
廠商: ON SEMICONDUCTOR
元件分類(lèi): 計(jì)數(shù)移位寄存器
英文描述: 4000/14000/40000 SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO16
封裝: EIAJ, PLASTIC, SO-16
文件頁(yè)數(shù): 5/8頁(yè)
文件大小: 110K
代理商: MC14021BFR1
MC14014B, MC14021B
http://onsemi.com
5
Figure 1. Output Source Current Test Circuit
Figure 2. Output Sink Current Test Circuit
PULSE
GENERATOR
PULSE
GENERATOR
VDD
Vout
IOH
EXTERNAL
POWER
SUPPLY
EXTERNAL
POWER
SUPPLY
P/S
C
P6
P7
P8
DS
Q8
Q7
Q6
Preset output under test to a logic “1” level.
VDD
Vout
P/S
C
P6
P7
P8
DS
Q8
Q7
Q6
IOL
Figure 3. Power Dissipation Test Circuit and Waveform
PULSE
GENERATOR 1
VDD
P/S
C
P6
P7
P8
DS
Q8
Q7
Q6
PULSE
GENERATOR 2
500 mF
ID
0.01 mF
CERAMIC
CL
VSS
P5
P4
P3
P2
P1
CLOCK
DATA
50%
1
f
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