71M6521DE TERIDIAN [Teridian Semiconductor Corporation], 71M6521DE Datasheet - Page 88

• Manufacturer Part Number: 71M6521DE
• Description: Energy Meter IC
• Manufacturer: TERIDIAN [Teridian Semiconductor Corporation]

INPUT LOGIC LEVELS
†
OUTPUT LOGIC LEVELS
POWER-FAULT COMPARATOR
BATTERY MONITOR
BME=1
Page: 88 of 101
In battery powered modes, digital inputs should be below 0.3V or above 2.5V to minimize battery current.
PARAMETER
Digital high-level input voltage
Digital low-level input voltage
Input pull-up current, I
Input pull down current, I
PARAMETER
Digital high-level output voltage V
Digital low-level output voltage V
OPT_TX V
OPT_TX V
PARAMETER
Offset Voltage
Hysteresis Current
Response Time
WDT Disable Threshold (V1-V3P3A)
PARAMETER
Load Resistor
LSB Value - does not include the 9-bit left
shift at CE input.
Offset Error
V1-VBIAS
V1
V1
E_RXTX,
E_RST, CKTEST
Other digital inputs
ICE_E
PB
Other digital inputs
OH
OL
(V3P3D-OPT_TX)
IL
IH
†
†
, V
, V
IL
OL
IH
OH
PERFORMANCE SPECIFICATIONS
© 2005-2008 TERIDIAN Semiconductor Corporation
VIN=0V, ICE_E=1
VIN=V3P3D
I
I
I
I
I
I
Vin = VBIAS - 100mV
+100mV overdrive
FIR_LEN=0
FIR_LEN=1
LOAD
LOAD
LOAD
LOAD
SOURCE
SINK
=20mA
= 1mA
= 15mA
= 1mA
= 15mA
CONDITION
CONDITION
CONDITION
CONDITION
=1mA
71M6521DE/71M6521FE
V3P3D-
V3P3D
–0.4
-400
-200
MIN
MIN
MIN
MIN
-6.0
-2.6
-20
0.8
0.6
27
10
10
10
-1
-1
-1
2
0
2
Energy Meter IC
TYP
TYP
TYP
TYP
-5.4
-2.3
-72
45
0
0
0
5
+100
MAX
MAX
MAX
MAX
+15
-4.9
-2.0
100
100
100
-10
0.8
0.4
0.8
0.4
0.7
1.2
10
63
DATASHEET
1
1
1
UNIT
UNIT
UNIT
UNIT
JANUARY 2008
mV
mV
mV
µA
µA
µA
µA
µA
µA
μA
kΩ
μV
μV
μs
V
V
V
V
V
V
V
V
v1.0