Datasheet

DS8922, DS8922A, DS8923A
SNLS373B –JUNE 1998–REVISED APRIL 2013 www.ti.com
DS8922/22A and DS8923A Electrical Characteristics
(1)(2)(3)
Symbol Conditions Min Typ Max Units
RECEIVER
V
TH
−7V ≤ V
CM
≤ +7V −200 ±35 +200 mV
V
HYST
−7V ≤ V
CM
≤ +7V 15 70 mV
R
IN
V
IN
= −7V, +7V (Other Input = GND) 4.0 6.0 kΩ
I
IN
V
IN
= 10V 3.25 mA
V
IN
= −10V −3.25 mA
V
OH
V
CC
= MIN, I
OH
= − 400 μA 2.5 V
V
OL
V
CC
= MAX, I
OL
= 8 mA 0.5 V
I
SC
V
CC
= MAX, V
OUT
= 0V −15 −100 mA
DRIVER
V
OH
V
CC
= MIN, I
OH
= −20 mA 2.5 V
V
OL
V
CC
= MIN, I
OL
= +20 mA 0.5 V
I
OFF
V
CC
= 0V, V
OUT
= 5.5V 100 μA
|VT|–| VT | 0.4 V
VT 2.0 V
|V
OS
– V
OS
| 0.4 V
I
SC
V
CC
= MAX, V
OUT
= 0V −30 −150 mA
DRIVER and RECEIVER
I
OZ
V
OUT
= 2.5V 50 μA
TRI-STATE V
CC
= MAX V
OUT
= 0.4V −50 μA
Leakage
I
CC
V
CC
= MAX ACTIVE 76 mA
TRI-STATE 78 mA
DRIVER and ENABLE INPUTS
V
IH
2.0 V
V
IL
0.8 V
I
IL
V
CC
= MAX, V
IN
= 0.4V −40 −200 μA
I
IH
V
CC
= MAX, V
IN
= 2.7V 20 μA
I
I
V
CC
= MAX, V
IN
= 7.0V 100 μA
V
CL
V
CC
= MIN, I
IN
= −18 mA −1.5 V
(1) All currents into device pins are shown as positive values; all currents out of the device are shown as negative; all voltages are
referenced to ground unless otherwise specified. All values shown as max or min are classified on absolute value basis.
(2) All typical values are V
CC
= 5V, T
A
= 25°C.
(3) Only one output at a time should be shorted.
Receiver Switching Characteristics (Figure 1) (Figure 2) (Figure 2)
Parameter Conditions Min Typ Max Units
8922 8922A/23A
T
pLH
CL = 30 pF 12 22.5 20 ns
T
pHL
CL = 30 pF 12 22.5 20 ns
|T
pLH
–T
pHL
| CL = 30 pF 0.5 5 3.5 ns
Skew (Channel to Channel) CL = 30 pF 0.5 3.0 2.0 ns
T
pLZ
CL = 15 pF S2 Open 15 ns
T
pHZ
CL = 15 pF S1 Open 15 ns
T
pZL
CL = 30 pF S2 Open 20 ns
T
pZH
CL = 30 pF S1 Open 20 ns
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Product Folder Links: DS8922 DS8922A DS8923A