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參數(shù)資料
| 型號(hào)： | SN54LS393J |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER |
| 中文描述： | LS SERIES, ASYN NEGATIVE EDGE TRIGGERED 4-BIT UP BINARY COUNTER, CDIP14 |
| 封裝： | CERAMIC, DIP-14 |
| 文件頁(yè)數(shù)： | 5/5頁(yè) |
| 文件大小： | 71K |
| 代理商： | SN54LS393J |
5-5
FAST AND LS TTL DATA
SN54/74LS390
SN54/74LS393
AC SETUP REQUIREMENTS
(TA = 25
°
C, VCC = 5.0 V)
Symbol
b l
Parameter
Limits
U i
Unit
Test Conditions
di i
Min
Typ
Max
tW
tW
tW
tW
trec
Clock Pulse Width
LS393
20
ns
VCC = 5.0 V
5 0 V
5 0 V
CP0 Pulse Width
CP1 Pulse Width
MR Pulse Width
LS390
20
ns
LS390
40
ns
LS390/393
20
ns
Recovery Time
LS390/393
25
ns
AC WAVEFORMS
*The number of Clock Pulses required between tPHL and tPLH measurements can be determined from the appropriate Truth Table.
*CP
Q
Q
MR & MS
CP
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
1.3 V
tPHL
tPHL
tPLH
Figure 1
Figure 2
tW
tW
trec
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| SN74LS393D | DUAL DECADE COUNTER; DUAL 4-STAGE BINARY COUNTER |
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