參數(shù)資料
型號: M54HC595
廠商: 意法半導體
英文描述: Single Nanopower Push-Pull Comparator 8-SOIC -40 to 125
中文描述: 8位元移位寄存器與輸出鎖存器三態(tài)
文件頁數(shù): 2/13頁
文件大小: 282K
代理商: M54HC595
INPUT AND OUTPUT EQUIVALENT CIRCUIT
TRUTH TABLE
INPUTS
SCLR
X
X
L
OUTPUT
SI
X
X
X
SCK
X
X
X
RCK
X
X
X
G
H
L
X
QA THRU QH OUTPUTS DISABLE
QA THRU QH OUTPUTS ENABLE
SHIFT REGISTER IS CLEARED
FIRST STAGE OF S.R. BECOMES ”L” OTHER STAGES
STORE THE DATA OF PREVIOUS STAGE, RESPECTIVELY
FIRST STAGE OF S.R. BECOMES ”H” OTHER STAGES
STORE THE DATA OF PREVIOUS STAGE, RESPECTIVELY
STATE OF S.R IS NOT CHANGED
S.R. DATA IS STORED INTO STORAGE REGISTER
STORAGE REGISTER STATE IS NOT CHANGED
L
H
X
X
H
H
X
X
X
X
X
H
X
X
X
X
X
X
X
X
X:DON’T CARE
LOGIC DIAGRAM
M54/M74HC595
2/13
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