71M6403
Electronic Trip Unit
SEPTEMBER 2006
Page: 65 of 75
©
2006 TERIDIAN Semiconductor Corporation
REV 1.0
RECOMMENDED OPERATING CONDITIONS
PARAMETER CONDITION
MIN
TYP
MAX
UNIT
Normal Operation
3.0 3.3 3.6 V
3.3V Supply Voltage
(
V3P3A, V3P3D
)
†
Battery Backup
0
3.45
V
VLCD
2.9
5.5
V
Operating Temperature
-40
85
ºC
†
V3P3A and V3P3D should be shorted together on the circuit board. GNDA and GNDD should also be shorted on the circuit
board.
LOGIC LEVELS
PARAMETER CONDITION
MIN
TYP
MAX
UNIT
Digital high-level input voltage, V
IH
2
V3P3D
V
Digital low-level input voltage, V
IL
−
0.3
0.8 V
I
LOAD
= 1mA
V3P3D
–0.4
V3P3D V
Digital high-level output voltage V
OH
I
LOAD
= 15mA
V3P3D-
0.6
V
I
LOAD
= 1mA
0
0.4
V
Digital low-level output voltage V
OL
I
LOAD
= 15mA
0.8
V
Input pull-up current, I
IL
RESETZ
E_RXTX,
E_ISYNC/BRKRQ
E_RST
VIN=0V
10
100
µ
A
Input pull down current, I
IH
CK
VIN=V3P3D
10
100
µ
A
Input current
Other digital inputs
-1
1
µ
A
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