DS16F95QML Datasheet, PDF (7/16 Pages) National Semiconductor (TI) – EIA-485/EIA-422A Differential Bus Transceiver

DC - Both Driver and Receiver Electrical Characteristics (Note 10)
The following conditions apply to all parameters, unless otherwise specified. V_CC = 5.5V
Symbol Parameter
Conditions
Notes
Min Max Unit
I_CC
Supply Current I_CC Both
Disable
RE = 2V, DE = .8V
25 mA
I_CC
Supply Current I_CC Both
RE =.8V, DE = 2V
Enable
28 mA
V_IC
Input Clamp Volt
I_I = -18mA
V_IH
Logical "1" Input Voltage
V_IL
Logical "0" Input Voltage
V_IH
Logical "1" Enable Input
Voltage
-1.3
V
2
V
.8 V
2
V
V_IL
Logical "0" Enable Input
Voltage
.8 V
I _IL
Logical "0" Input Current
V_I = .4V
(Note 5) -50
uA
AC - Driver Electrical Characteristics (Note 10)
The following conditions apply to all parameters, unless otherwise specified.
V_CC = 5V, PRR = 1MH_Z, T_R ≤ T_F ≤ 6nS, 50% duty cycle, AMP = 3V, VL_O, Z_OUT = 50Ω
Symbol Parameter
Conditions
Notes
Min Max Unit
Differential Output Delay Time
t_DD
Figure 3
RL = 60Ω
(Note 9) 8
(Note 9) 8
25 nS
30 nS
t_TD
Differential Output Transition RL = 60Ω
Time
(Notes 8, 8
9)
25 nS
Figure 3
(Notes 8, 8
30 nS
9)
t_PLH
Propagation Delay Time Low to RL = 27Ω
High
Figure 4
6
18 nS
6
25 nS
t_PHL
Propagation Delay Time high to RL = 27Ω
Low
Figure 4
6
18 nS
6
25 nS
t_PZH
Output Enable Time to H
RL = 110Ω
Figure 5
35 nS
45 nS
t_PZL
Output Enable Time to L
RL = 110Ω
Figure 6
40 nS
50 nS
t_PHZ
Output Disable Time to H
RL = 110Ω
Figure 5
30 nS
40 nS
t_PLZ
Output Disable Time to L
RL = 110Ω
Figure 6
30 nS
40 nS
T_SKEW
Differential Output Skew Time
Figure 3
6
nS
12 nS
Sub-group
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
1, 2, 3
Sub-group
9
10, 11
9
10, 11
9
10, 11
9
10, 11
9
10, 11
9
10, 11
9
10, 11
9
10, 11
9
10, 11
7
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