參數(shù)資料
型號: MC74HC299DW
廠商: MOTOROLA INC
元件分類: 通用總線功能
英文描述: 8-Bit Bidirectional Universal Shift Register with Parallel I/O
中文描述: HC/UH SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20
封裝: 0.300 INCH, PLASTIC, SOIC-20
文件頁數(shù): 6/8頁
文件大?。?/td> 268K
代理商: MC74HC299DW
MC74HC299
MOTOROLA
High–Speed CMOS Logic Data
DL129 — Rev 6
3–6
SWITCHING WAVEFORMS
Figure 6. Test Circuit
Figure 5. Test Circuit
Figure 1.
Figure 2.
Figure 3a.
Figure 3b.
VCC
GND
VCC
S1 OR S2
Figure 4.
50%
MODE SELECT
OR DATA
CLOCK
VCC
VCC
GND
GND
VALID
th
tsu
tr
tf
VCC
GND
tTHL
tTLH
90%
50%
10%
90%
50%
10%
CLOCK
tPLH
tPHL
tw
50%
tPHL
VCC
GND
VCC
GND
CLOCK
RESET
50%
50%
trec
QA
, QH
,
QA–QH
tw
1/fmax
50%
50%
50%
OE1 OR OE2
QA–QH
tPZL
tPLZ
tPZH
tPHZ
10%
90%
VCC
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
50%
50%
50%
S2 OR S1
QA–QH
tPZL
tPLZ
tPZH
tPHZ
10%
90%
GND
HIGH
IMPEDANCE
VOL
VOH
HIGH
IMPEDANCE
QA
, QH
,
QA–QH
50%
* Includes all probe and jig capacitance
CL*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
CONNECT TO VCC WHEN
TESTING tPLZ AND tPZL.
CONNECT TO GND WHEN
TESTING tPHZ AND tPZH.
1 k
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