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參數(shù)資料
| 型號(hào)： | 26LS32 |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 2400 baud embedded modem module for data communications ot the Public Switched Telephone Network |
| 中文描述： | 翻兩番差分線接收機(jī) |
| 文件頁(yè)數(shù)： | 5/10頁(yè) |
| 文件大小： | 146K |
| 代理商： | 26LS32 |
AM26LS32AC, AM26LS32AI, AM26LS33AC,
AM26LS32AM, AM26LS33AM
QUADRUPLE DIFFERENTIAL LINE RECEIVERS
SLLS115D
–
OCTOBER 1980
–
REVISED MARCH 2002
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics, V
CC
= 5 V, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
20
MAX
UNIT
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
Propagation delay time, low-to-high-level output
CL= 15 pF
CL = 15 pF,
See Figure 1
35
ns
Propagation delay time, high-to-low-level output
22
35
Output enable time to high level
CL= 15 pF
CL = 15 pF,
See Figure 1
17
22
ns
Output enable time to low level
20
25
Output disable time from high level
Output disable time from low level
CL= 5 pF
CL = 5 pF,
See Figure 1
21
30
30
40
ns
PARAMETER MEASUREMENT INFORMATION
S1 Open
S2 Closed
5 k
S1
RL = 2 k
VCC
From Output
Under Test
CL
(see Note A)
See Note B
S2
tPHL
VOH
VOL
2.5 V
–
2.5 V
tPLH
S1 and S2 Closed
VOLTAGE WAVEFORMS FOR tPLH, tPHL
TEST CIRCUIT
10%
90%
10%
90%
0
3 V
10%
10%
90%
90%
1.3 V
1.3 V
1.3 V
1.3 V
3 V
0
≤
5 ns
10%
90%
10%
90%
0
3 V
10%
10%
90%
90%
1.3 V
1.3 V
1.3 V
1.3 V
3 V
0
Enable G
Enable G
tPZH
1.3 V
Output
VOH
0.5 V
≈
1.4 V
tPHZ
S1 Closed
S2 Closed
tPZL
1.3 V
S1 Closed
S2 Open
S1 Closed
S2 Closed
VOL
0.5 V
tPLZ
VOLTAGE WAVEFORMS FOR tPHZ, tPZH
NOTES: A. CL includes probe and jig capacitance.
B. All diodes are 1N3064 or equivalent.
C. Enable G is tested with G high; G is tested with G low.
VOLTAGE WAVEFORMS FOR tPLZ, tPZL
Test
Point
Output
See Note C
See Note C
Input
Output
Enable G
Enable G
≤
5 ns
≤
5 ns
≤
5 ns
≈
1.4 V
0
0
1.3 V
1.3 V
Figure 1
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