參數(shù)資料
型號(hào): CD54HC166W
廠商: Texas Instruments, Inc.
英文描述: High Speed CMOS Logic 8-Bit Parallel-In/Serial-Out Shift Register
中文描述: 高速CMOS邏輯8位Parallel-In/Serial-Out移位寄存器
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 56K
代理商: CD54HC166W
2
Functional Diagram
TRUTH TABLE
INPUTS
INTERNAL
Q STATES
OUTPUT
Q7
MASTER
RESET
PARALLEL
ENABLE
CLOCK
ENABLE
CLOCK
SERIAL
PARALLEL
D0 D7
Q0
Q1
L
X
X
X
X
X
L
L
L
H
X
L
L
X
X
Q00
Q10
Q0
H
L
L
X
a...h
a
b
h
H
H
L
H
X
H
Q0n
Q6n
H
H
L
L
X
L
Q0n
Q6n
H
X
H
X
X
Q00
Q10
Q70
NOTES:
H = High Voltage Level
L = Low Voltage Level
X = Don’t Care
= Transition from Low to High Level
a...h = The level of steady-state input at inputs D0 thru D7, respectively.
Q00, Q10, Q70 = The level of Q0, Q1, or Q7, respectively, before the indicated steady-state input conditions were established.
Q0n, Q6n = The level of Q0 or Q6, respectively, before the most recent
transition of the clock.
8 - REGISTERS
PARALLEL ENABLE CIRCUIT
D0 D1 D2 D3 D4 D5 D6 D7
PE
D
S
CP
CE
MR
D0
D7
Q7
CD74HC166, CD74HCT166
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