DS8935 Datasheet, PDF (3/12 Pages) National Semiconductor (TI) – LocalTalk™ Dual Driver/Triple Receiver

Electrical Characteristics (Notes 2, 3) (Continued)
Over Supply Voltage and Operating Temperature ranges, unless otherwise specified
Symbol
Parameter
Conditions
Pin
Min Typ Max Units
RECEIVER CHARACTERISTICS
V_TH
Input Threshold
V_HY
Hysteresis
R_IN
Input Resistance
I_IN
Input Current (Other Input = 0V,
Power On, or V_CC = V_EE = 0V)
V_IB
Input Balance Test
V_OH
High Level Output Voltage
V_OL
I_OSR
I_OZR
Low Level Output Voltage
Short Circuit Current
TRI-STATE Output Current
DEVICE CHARACTERISTICS
−7V ≤ V_CM ≤ +7V
V_CM = 0V
−10V ≤ V_CM ≤ +10V
V_IN = +10V
V_IN = +3V
V_IN = −3V
V_IN = −10V
R_S = 500Ω (R2 only)
I_OH = −400 µA,
V_IN = +200 mV
I_OH = −400 µA, V_IN = OPEN
I_OL = 8.0 mA, V_IN = −200 mV
V_O = 0V
V_CC = Max
V_O = 2.4V
V_O = 0.4V
−200 ±35 +200 mV
70
mV
6.0
8.5
kΩ
R_IN+,
R_IN−
0
3.25 mA
1.50 mA
0
−1.50 mA
−3.25 mA
±400 mV
2.7
4.2
V
2.7
4.2
V
R_OUT
0.3
0.5
V
−15 −34 −85 mA
0
+20
µA
0
−20
µA
V_IH
High Level Input Voltage
V_IL
Low Level Input Voltage
I_IH
High Level Input Current
I_IL
Low Level Input Current
V_CL
Input Clamp Voltage
I_CC
Power Supply Current
I_EE
V_IN = 2.4V
V_IN = 0.4V
I_IN = −12 mA
No Load
D1 Enabled or Disabled
2.0
V
D_IN,
D_EN1,
RE,
RE
0.8
V
1
40
µA
−10 −200 µA
−1.5
V
V_CC
40
65
mA
V_EE
−5
−15 mA
Switching Characteristics (Notes 4, 5)
Over Supply Voltage and Operating Temperature Ranges, unless otherwise specified
Symbol
Parameter
Conditions
DIFFERENTIAL DRIVER CHARACTERISTICS
t_PHLD
Differential Propagation Delay High to Low
t_PLHD
Differential Propagation Delay Low to High
t_SKD
Differential Skew |t_PHLD − t_PLHD|
t_r
Rise Time
t_f
Fall Time
t_PHZ
Disable Time High to Z
t_PLZ
Disable Time Low to Z
t_PZH
Enable Time Z to High
t_PZL
Enable Time Z to Low
SINGLE ENDED DRIVER CHARACTERISTICS
R_L = 100Ω, C_L = 500 pF,
(Figures 3, 4)
C₁ = C₂ = 50 pF
R_L = 100Ω, C_L = 500 pF
(Figures 7, 8)
t_PHL
Propagation Delay High to Low
t_PLH
Propagation Delay Low to High
t_SK
Skew, |t_PHL − t_PLH
t_r
Rise Time
t_f
Fall Time
RECEIVER CHARACTERISTICS
R_L = 450Ω, C_L = 500 pF
(Figures 5, 6)
t_PHL
Propagation Delay High to Low
t_PLH
Propagation Delay Low to High
t_SK
Skew, |t_PHL − t_PLH|
C_L = 15 pF
(Figures 9, 10)
3
Min Typ Max Units
70
134
350
ns
70
141
350
ns
7
50
ns
50
140
300
ns
50
140
300
ns
300
600
ns
300
600
ns
160
350
ns
160
350
ns
70
120
350
ns
70
150
350
ns
30
70
ns
50
100
300
ns
20
50
300
ns
10
33
75
ns
10
30
75
ns
3
20
ns
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