SN75976A-EP Datasheet, PDF (11/29 Pages) Texas Instruments – 9-CHANNEL DIFFERENTIAL TRANSCEIVER

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SN75976A-EP
9-CHANNEL DIFFERENTIAL TRANSCEIVER
SLLS878A – JANUARY 2008 – REVISED FEBRUARY 2008
PARAMETER MEASUREMENT INFORMATION (continued)
Generator
(see Note A)
Generator
(see Note A)
50 Ω
Input B +
V_ID
Input B −
50 Ω
†
I_O
V_O
Output
C_L = 15 pF
† _{CDE0, CDE1, CDE2, BSR, CRE, and DE/RE at 0.8 V}
‡ _{For the SN75976A only, all nine receivers are enabled and switching.}
A. All input pulses are supplied by a generator having the following characteristics: t_r ≤ 6 ns, t_f ≤ 6 ns, PRR ≤ 1 MHz,
duty cycle = 50%, Z_O = 50 Ω.
B. All resistances are in Ω and ± 5%, unless otherwise indicated.
C. All capacitances are in pF and ± 10%, unless otherwise indicated.
D. All indicated voltages are ± 10 mV.
Figure 4. Receiver Propagation Delay and Transition Time Test Circuit
Input B −
Input B +
Output
1.5 V
t_PLH
1.4 V
10%
t_r
90%
3V
1.5 V
0V
90%
t_PHL
1.4 V
10%
V_OH
V_OL
t_f
A. All input pulses are supplied by a generator having the following characteristics: t_r ≤ 6 ns, t_f ≤ 6 ns, PRR ≤ 1 MHz,
duty cycle = 50%, Z_O = 50 Ω.
B. All resistances are in Ω and ± 5%, unless otherwise indicated.
C. All capacitances are in pF and ± 10%, unless otherwise indicated.
D. All indicated voltages are ± 10 mV.
Figure 5. Receiver Delay and Transition Time Waveforms
Copyright © 2008, Texas Instruments Incorporated
Product Folder Link(s): SN75976A-EP
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