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參數(shù)資料
| 型號(hào)： | LS244 |
| 廠商： | System Logic Semiconductor Co., Ltd. |
| 英文描述： | Octal 3-State Noninverting Buffer/Line Driver/Line Receiver |
| 中文描述： | 八路三態(tài)同相緩沖器/線路驅(qū)動(dòng)器/線接收器 |
| 文件頁(yè)數(shù)： | 3/4頁(yè) |
| 文件大?。?/td> | 40K |
| 代理商： | LS244 |
SL74LS244
S ystem Logic
Semiconductor
SLS
note 1: Not more than one output should be shorted at a time, and duration of the short-circuit should not exceed
one second
AC ELECTRICAL CHARACTERISTICS
(T
A
= 25
°
C, V
CC
= 5.0 V, t
r
= 15 ns,
t
f
= 6.0 ns)
Symbol
Parameter
Test Condition
Min
Max
Unit
t
PLH
Propagation Delay, Data to
Output
18
ns
t
PHL
Propagation Delay, Data to
Output
C
L
= 45 pF,
R
L
= 667
18
ns
t
PZH
Output Enable Time
23
ns
t
PZL
Output Enable Time
30
ns
t
PHZ
Output Disable Time
C
L
= 5 pF
R
L
= 667
18
ns
t
PLZ
Output Disable Time
25
ns
t
PZL
- S1 closed, S2 opened
t
PZH
- S1 opened, S2 closed
t
PLZ
, t
PHZ
- S1 and S2 closed
Figure 2. Switching Waveforms
(See Figure 4)
Figure 1. Switching Waveforms
(See Figure 3)
NOTES A.
C
L
includes probe and jig capacitance.
B. All diodes are 1N916 or 1N3064.
NOTES A.
C
L
includes probe and jig capacitance.
B. All diodes are 1N916 or 1N3064.
Figure 3. Test Circuit
Figure 4. Test Circuit
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| LS302 | HIGH VOLTAGE SUPER-BETA MONOLITHIC DUAL NPN TRANSISTORS |
| LS303 | HIGH VOLTAGE SUPER-BETA MONOLITHIC DUAL NPN TRANSISTORS |
| LS310-3 | MONOLITHIC DUAL NPN TRANSISTORS |
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