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參數(shù)資料
| 型號(hào)： | SN55976AWD |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 9-CHANNEL DIFFERENTIAL TRANSCEIVER |
| 中文描述： | 9通道差分收發(fā)器 |
| 文件頁(yè)數(shù)： | 13/28頁(yè) |
| 文件大?。?/td> | 459K |
| 代理商： | SN55976AWD |
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SN75976A, SN55976A
9-CHANNEL DIFFERENTIAL TRANSCEIVER
SLLS218B – MAY 1995 – REVISED MAY 1997
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
PARAMETER MEASUREMENT INFORMATION
A
620
VT
Output
40 pF
B+
B–
DE/RE
0 V or 3 V
3 V or 0 V
Input
CDE0 is high, CDE1, CDE2, BSR, and CRE are low and, for
the SN75976A only, all others are open.
Includes probe and jig capacitance.
Figure 7. Receiver Enable and Disable Time Test Circuit
Indeterminate
Indeterminate
tPLZ
tPZL
1.4 V
1.4 V
1.4 V
1.4 V
1.4 V
1.4 V
3 V
0 V
Input
Output
VOD
Output
VOD
B+ at 0 V
B– at 3 V
VT = VCC
B+ at 3 V
B– at 0 V
VT = 0
tPHZ
tPZH
Figure 8. Receiver Enable and Disable Time Waveforms
NOTES: A. All input pulses are supplied by a generator having the following characteristics: tr
≤
6 ns, tf
≤
6 ns, PRR
≤
1 MHz, duty cycle = 50%,
ZO = 50
.
B. All resistances are in
and
±
5%, unless otherwise indicated.
C. All capacitances are in pF and
±
10%, unless otherwise indicated.
D. All indicated voltages are
±
10 mV.
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