71M6515H
Energy Meter IC
DATA SHEET
MARCH 2008
LOGIC LEVELS
CONDITION
PARAMETER
MIN
TYP
MAX
UNIT
Digital high-level input voltage, VIH
Digital low-level input voltage, VIL
2
V3P3D
0.8
V
V
−0.3
V3P3D
–0.4
V3P3D-
0.6
ILOAD = 1mA
V3P3D
V
V
Digital high-level output voltage VOH
ILOAD = 15mA
ILOAD = 1mA
ILOAD = 15mA
VIN=0V
0
0.4
0.8
V
V
Digital low-level output voltage VOL
Input pull-up current, IIL
RESETZ
10
10
10
-1
100
100
100
+1
µA
µA
µA
µA
E_RXTX, E_ISYNC/BRKRQ
E_RST
Other digital inputs
Input pull down current, IIH
TEST
VIN=V3P3D
10
-1
100
+1
µA
µA
Other digital inputs
SUPPLY CURRENT
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
V3P3A + V3P3D
V3P3A current
V3P3D current
VBAT current
VBAT current,
VBAT=3.6V
8.8
3.7
5.1
11.5
4.7
6.8
300
4
mA
mA
mA
nA
Normal Operation,
V3P3A=V3P3D=3.3V
VBAT=3.6V
-300
2
4
µA
Battery backup,
≤25°C
V3P3A=V3P3D=0V
12
µA
f
OSC = 32kHz
85°C
VREF
CONDITION
Ta = 25ºC
PARAMETER
MIN
TYP
MAX
UNIT
VREF output voltage, VNOM(25)
VREF output impedance
VNOM definition A
1.193
1.195
1.197
2.5
V
kΩ
V
ILOAD = 10µA, -10µA
VNOM(T) = VREF(22) + (T-22)TC1 + (T-22)2TC2
VREF(T) deviation from VNOM(T)
VREF(T)−VNOM(T)
106
-10
+10
PPM/ºC
Ta = -40ºC to +85ºC
VNOM
max(|T −22|,40)
VREF aging
PPM/year
±25
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