參數(shù)資料
型號(hào): SN74LS323DW
廠(chǎng)商: MOTOROLA INC
元件分類(lèi): 通用總線(xiàn)功能
英文描述: 8-BIT SHIFT/STORAGE REGISTER WITH 3-STATE OUTPUTS
中文描述: LS SERIES, 8-BIT BIDIRECTIONAL PARALLEL IN PARALLEL OUT SHIFT REGISTER, TRUE OUTPUT, PDSO20
封裝: SOIC-20
文件頁(yè)數(shù): 4/5頁(yè)
文件大?。?/td> 143K
代理商: SN74LS323DW
5-4
FAST AND LS TTL DATA
SN54/74LS323
AC CHARACTERISTICS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
fMAX
tPHL
tPLH
Maximum Clock Frequency
25
35
MHz
CL = 15 pF
Propagation Delay, Clock
to Q0 or Q7
26
22
39
33
ns
tPHL
tPLH
Propagation Delay, Clock
to I/O0–I/O7
25
17
39
25
ns
RL = 667
tPZH
tPZL
Output Enable Time
14
20
21
30
ns
CL = 45 pF,
tPHZ
tPLZ
Output Disable Time
10
10
15
15
ns
CL = 5.0 pF
AC SETUP REQUIREMENTS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
Parameter
Limits
Unit
Test Conditions
Min
Typ
Max
tW
tW
tW
ts
ts
th
th
Clock Pulse Width HIGH
25
ns
VCC = 5.0 V
Clock Pulse Width LOW
15
ns
Clear Pulse Width LOW
20
ns
Data Setup Time
20
ns
Select Setup Time
35
ns
Data Hold Time
0
ns
Select Hold Time
10
ns
trec
Recovery Time
20
ns
相關(guān)PDF資料
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