SN75LBC776DWR Datasheet, PDF (9/17 Pages) Texas Instruments – SINGLE-CHIP GeoPort TRANSCEIVER

SN75LBC776
SINGLE-CHIP GeoPort TRANSCEIVER
SLLS221B – NOVEMBER 1995 – REVISED MARCH 2002
PARAMETER MEASUREMENT INFORMATION
DA2
VI
SHDN
or
DEN
DY2
VOD
DZ2
RL ₌ 60 Ω
RL ₌ 60 Ω
50 pF
TEST CIRCUIT
SHDN
3V
or
1.5 V
1.5 V
1.5 V
1.5 V
DEN
0V
DA
VOD
tPZL
1.5 V
1.5 V
tPLH
tPHZ
tPHL
tPZH
90%
50%
10%
90% 90%
10%
90%
50%
10%
tr
tf
VOLTAGE WAVEFORM
(see Note A)
Figure 5. Differential Driver Propagation and Transition Times
3V
0V
tPLZ
10%
VOD(H)
0V
VOD(L)
II
Input
VI
SHDN
VCC
RA ₊
RB _
2 kΩ
RY
IO
Output
15 pF
VO
VI
0V
tPLH
VO
10%
tr
0V
tPHL
90% 90%
tf
2.5 V
– 2.5 V
VOH
1.5 V
10% _VOL
TEST CIRCUIT
VOLTAGE WAVEFORM
(see Note A)
Figure 6. Receiver Propagation and Transition Times
NOTE A: The input waveform tr, tf ≤ 10 ns.
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