Datasheet

71M6521DE/DH/FE Data Sheet
Rev 3 Page: 91 of 107
PERFORMANCE SPECIFICATIONS
INPUT LOGIC LEVELS
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Digital high-level input voltage
†
, V
IH
2
V
Digital low-level input voltage
†
, V
IL
0.8
V
Input pull-up current, I
IL
E_RXTX,
E_RST, CKTEST
Other digital inputs
VIN=0 V, ICE_E=1
10
10
-1
0
100
100
1
µA
µA
µA
Input pull down current, I
IH
ICE_E
PB
Other digital inputs
VIN=V3P3D
10
-1
-1
0
0
100
1
1
µA
µA
µA
†
In battery powered modes, digital inputs should be below 0.3V or above 2.5 V to minimize battery current.
OUTPUT LOGIC LEVELS
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Digital high-level output voltage V
OH
I
LOAD
= 1 mA
V3P3D
–0.4
V
I
LOAD
= 15 mA
V3P3D-
0.6
1
V
Digital low-level output voltage V
OL
I
LOAD
= 1 mA
0
0.4
V
I
LOAD
= 15 mA
0.8
1
V
OPT_TX VOH (V3P3D-OPT_TX)
ISOURCE=1 mA
0.4
V
OPT_TX VOL
ISINK=20 mA
0.7
1
V
1
Guaranteed by design; not production tested.
POWER-FAULT COMPARATOR
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Offset Voltage
V1-VBIAS
-20
+15
mV
Hysteresis Current
V1
Vin = VBIAS – 100 mV
0.8
1.2
μA
Response Time
V1
+100 mV overdrive
-100 mV overdrive
2
10
5
10
100
μs
μs
WDT Disable Threshold (V1-V3P3A)
-400
-10
mV
BATTERY MONITOR
BME=1
PARAMETER
CONDITION
MIN
TYP
MAX
UNIT
Load Resistor
27
45
63
kΩ
LSB Value - does not include the 9-bit left
shift at CE input.
FIR_LEN=0
FIR_LEN=1
-6.0
-2.6
-5.4
-2.3
-4.9
-2.0
μV
μV
Offset Error
-200
-72
+100
mV