전자부품 반도체 검색엔진( 무료 PDF 다운로드 ) - 데이터시트뱅크
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MC74VHC595(2000) 데이터 시트보기 (PDF) - ON Semiconductor
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MC74VHC595
(Rev.:2000)
8-Bit Shift Register with Output Storage Register (3-State)
ON Semiconductor
MC74VHC595 Datasheet PDF : 12 Pages
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MC74VHC595
SWITCHING WAVEFORMS
VCC
SCK
50%
GND
tw
1/fmax
tPLH
tPHL
SQH
50% VCC
Figure 2.
RCK
50%
QA–QH
tPLH tPHL
50% VCC
Figure 4.
SCLR
SI
SCK or RCK
50%
VALID
50%
tsu
th
50%
Figure 6.
VCC
GND
VCC
GND
VCC
GND
VCC
GND
tw
VCC
SCLR
50%
GND
tPHL
SQH
50% VCC
trec
VCC
SCK
50%
GND
Figure 3.
OE
QA–QH
QA–QH
50%
tPZL tPLZ
50% VCC
tPZH tPHZ
50% VCC
Figure 5.
VCC
GND
HIGH
IMPEDANCE
VOL +0.3V
VOH –0.3V
HIGH
IMPEDANCE
VCC
SCK
50%
GND
tsu(H)
VCC
RCK
50%
GND
tw
Figure 7.
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
CL*
TEST CIRCUITS
DEVICE
UNDER
TEST
TEST POINT
OUTPUT
1 k
Ω
CL*
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
*Includes all probe and jig capacitance
Figure 8.
*Includes all probe and jig capacitance
Figure 9.
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