參數(shù)資料
型號(hào): MC74HC165AN
廠商: ON SEMICONDUCTOR
元件分類: 通用總線功能
英文描述: 8-Bit Serial or Parallel-Input/Serial-Output Shift Register
中文描述: HC/UH SERIES, 8-BIT RIGHT PARALLEL IN SERIAL OUT SHIFT REGISTER, COMPLEMENTARY OUTPUT, PDIP16
封裝: PLASTIC, DIP-16
文件頁數(shù): 7/12頁
文件大小: 112K
代理商: MC74HC165AN
MC74HC165A
http://onsemi.com
7
SWITCHING WAVEFORMS
t
r
t
f
V
CC
GND
90%
50%
10%
t
PLH
t
PHL
CLOCK
OR CLOCK INHIBIT
90%
50%
10%
t
TLH
t
THL
Q
H
OR Q
H
Figure 1. Serial–Shift Mode
SERIAL SHIFT/
PARALLEL LOAD
Q
H
OR Q
H
50%
t
PLH
50%
V
CC
GND
t
PHL
50%
Figure 2. Parallel–Load Mode
t
r
t
f
INPUT H
90%
50%
10%
90%
50%
10%
V
CC
GND
t
PHL
t
THL
t
TLH
t
PLH
Q
H
OR Q
H
Figure 3. Parallel–Load Mode
50%
V
CC
GND
t
h
V
CC
GND
ASYNCHRONOUS PARALLEL
LOAD
(LEVEL SENSITIVE)
SERIAL SHIFT/
PARALLEL LOAD
INPUTS A-H
Figure 4. Parallel–Load Mode
INPUT S
A
50%
50%
CLOCK
OR CLOCK INHIBIT
V
CC
GND
V
CC
GND
Figure 5. Serial–Shift Mode
SERIAL SHIFT/
PARALLEL LOAD
CLOCK
OR CLOCK INHIBIT
50%
50%
t
su
V
CC
GND
V
CC
GND
CLOCK 2 INHIBITED
CLOCK INHIBIT
CLOCK
50%
50%
t
su
t
rec
V
CC
GND
V
CC
GND
Figure 6. Serial–Shift Mode
Figure 7. Serial–Shift, Clock–Inhibit Mode
Figure 8. Test Circuit
*Includes all probe and jig capacitance
C
L
*
TEST POINT
DEVICE
UNDER
TEST
OUTPUT
t
w
1/f
max
t
w
VALID
t
su
VALID
t
su
t
h
t
h
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