DS75176B Datasheet, PDF (3/14 Pages) National Semiconductor (TI) – Multipoint RS-485/RS-422 Transceivers

DS75176B, DS75176BT
www.ti.com
SNLS381C – JULY 1998 – REVISED APRIL 2013
Electrical Characteristics ^{(1) (2)} (continued)
0°C ≤ T_A≤ 70°C, 4.75V < V_CC< 5.25V unless otherwise specified
Symbol
Parameter
V_IH
Input High Voltage
V_IL
Input Low Voltage
V_CL
Input Clamp Voltage
I_IL
Input Low Current
DI, DE,
RE , E
I_IH
Input High Current
I_IN
Input Current
DO/RI, DO/RI V_CC = 0V or 5.25V
DE = 0V
V_TH
Differential Input Threshold Voltage for
−7V ≤ V_CM ≤ + 12V
Receiver
ΔV_TH
V_OH
V_OL
I_OZR
R_IN
I_CC
Receiver Input Hysteresis
Receiver Output High Voltage
Output Low Voltage
RO
OFF-State (High Impedance)
Output Current at Receiver
Receiver Input Resistance
Supply Current
V_CM = 0V
I_OH = −400 μA
I_OL = 16 mA ⁽³⁾
V_CC = Max
0.4V ≤ V_O ≤ 2.4V
−7V ≤ V_CM ≤ +12V
No Load⁽³⁾
I_OSD
Driver Short-Circuit
Output Current
I_OSR
Receiver Short-Circuit
Output Current
V_O = −7V ⁽³⁾
V_O = +12V ⁽³⁾
V_O = 0V
Conditions
I_IN = −18 mA
V_IL = 0.4V
V_IH = 2.4V
V_IN = 12V
V_IN = −7V
Driver Outputs Enabled
Driver Outputs Disabled
Min Typ Max
2
0.8
−1.5
−200
20
+1.0
−0.8
−0.
2
+0.2
70
2.7
0.5
±20
Units
V
μA
μA
mA
mA
V
mV
V
V
μA
12
kΩ
55 mA
35 mA
−250 mA
+250 mA
−15
−85 mA
Switching Characteristics
V_CC = 5.0V, T_A = 25°C
Symbol
Parameter
t_PLH
Driver Input to Output
t_PHL
Driver Input to Output
t_r
Driver Rise Time
t_f
Driver Fall Time
t_ZH
Driver Enable to Output High
t_ZL
Driver Enable to Output Low
t_LZ
Driver Disable Time from Low
t_HZ
Driver Disable Time from High
t_PLH
Receiver Input to Output
t_PHL
Receiver Input to Output
t_ZL
Receiver Enable to Output Low
t_ZH
Receiver Enable to Output High
t_LZ
Receiver Disable from Low
t_HZ
Receiver Disable from High
Conditions
R_LDIFF = 60Ω
C_L1 = C_L2 = 100 pF
R_LDIFF = 60Ω
C_L1 =C_L2 = 100 pF
(Figure 4 and Figure 6)
C_L = 100 pF (Figure 5 and Figure 7) S1
Open
C_L = 100 pF (Figure 5 and Figure 7) S2
Open
C_L = 15 pF (Figure 5 and Figure 7) S2
Open
C_L = 15 pF (Figure 5 and Figure 7) S1
Open
C_L = 15 pF (Figure 3 and Figure 8)
S1 and S2 Closed
C_L = 15 pF (Figure 3 and Figure 9) S2
Open
C_L = 15 pF (Figure 3 and Figure 9) S1
Open
C_L = 15 pF (Figure 3 and Figure 9) S2
Open
C_L = 15 pF (Figure 3 and Figure 9) S1
Open
Min Typ Max Units
12
22
ns
17
22
ns
18
ns
18
ns
29 100
ns
31
60
ns
13
30
ns
19 200
ns
30
37
ns
32
37
ns
15
20
ns
11
20
ns
28
32
ns
13
35
ns
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