Absolute Maximum Ratings
Parameter
Rating
Units
Supply Voltage 1/
Logic Input Voltage
Logic Input Current
Power Dissipation 2/
+7.0
V
V
-1.2 to +5.5
-10 (low logic)
3.25
mA
W
Storage Temperature Range
-65 to +125
-55 to +100
°C
°C
Operating Case Temperature Range
1/ Power sequencing shall not be required.
2/ For Logic output short circuits, line to ground logic outputs shall withstand currents not exceeding 100mA for
one second for one output at a time.
DC Electrical Characteristics
(VDD = 5V 10ꢀ, TC = -55 °C to +100°C, unless otherwise specified)
SYMBOL
PARAMETER
LIMIT
DATA 1/, DATA 1/, DATAst 2/ & DATAst 2/
VOH
VOL
Logic High Output Voltage 3/, 4/
Logic Low Output Voltage 4/
2.5V min @ IOH = -50µA
0.5V max @ IOL = 2mA
TX INHIBIT
VOH
Logic High Output Voltage 3/, 4/
Logic Low Output Voltage 4/
2.5V min @ IOH = -150µA
0.5V max @ IOL = 5mA
VOL
40MHz, Encoder Enable & External Encoder Inhibit
IIH
IIL
Logic High Input Current
100µA max @ VIH = 2.5V
-4mA max @ VIL = 0.5V
Logic Low Input Current 3/
Parity Select, 34 Bit Select, 35 Bit Select & Sys Clear / Load
IIH
IIL
Logic High Input Current
50µA max @ VIH = 2.5V
-2mA max @ VIL = 0.5V
Logic Low Input Current 3/
Transmit / Self Test & 4 Bit SIS / SOS Select
IIH
IIL
Logic High Input Current
150µA max @ VIH = 2.5V
-6mA max @ VIL = 0.5V
Logic Low Input Current 3/
3
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