71m6545h-igtr/f Maxim Integrated Products, Inc., 71m6545h-igtr/f Datasheet - Page 119

• Manufacturer Part Number: 71m6545h-igtr/f
• Description: Metrology Processors
• Manufacturer: Maxim Integrated Products, Inc.

PDS_6545_009
6.4.7 Internal Power Fault Comparators
6.4.8 2.5 V Voltage Regulator – System Power
6.4.9 Crystal Oscillator
Measurement conditions: Crystal disconnected, test load of 200 pF/100 kΩ between XOUT and GNDD.
v1.0
Parameter
Overall response time
Falling Threshold
Falling Threshold
Hysteresis,
(Rising Threshold - Falling Threshold)
Parameter
V2P5
V2P5 load regulation
Voltage overhead V3P3SYS-V2P5
Parameter
Maximum Output Power to Crystal
XIN to XOUT Capacitance
(see note 1)
Capacitance change on XOUT
Note:
3.0 V Comparator
2.8 V Comparator
Difference 3.0V and 2.8V Comparators
2.25 V Comparator
2.0 V Comparator
Difference 2.25V and 2.0V Comparators
3.0 V Comparator
2.8 V Comparator
2.25 V Comparator
2.0 V Comparator
1. Guaranteed by design; not production tested.
Table 87: 2.5 V Voltage Regulator Performance Specifications (VDD pin)
Table 88: Crystal Oscillator Performance Specifications
© 2008–2011 Teridian Semiconductor Corporation
Condition
Crystal connected, see note 1
RTC_ADJ = 7F to 0,
Bias voltage = unbiased
Vpp = 0.1 V
Condition
V3P3 = 3.0 V - 3.8 V
I
V3P3 = 3.3 V
I
I
Reduce V3P3D until V2P5
drops 200 mV
LOAD
LOAD
LOAD
= 0 mA
= 0 mA to 5 mA
= 5 mA,
Condition
100mV overdrive, falling
100mV overdrive, rising
V3P3 falling
VDD falling
T
A
= 22 °C
2.55
Min
Min
2.83
2.75
1.90
0.15
Min
2.2
20
50
22
25
10
10
2.65
Typ
Typ
15
Data Sheet 71M6545/H
2.93
2.81
2.25
2.00
0.25
Typ
136
45
42
33
28
Max
2.75
440
Max
40
1
3
Max
3.03
2.87
2.20
0.35
200
200
220
2.5
65
60
60
60
Unit
Unit
mV
mV
μW
Unit
pF
pF
mV
mV
mV
mV
mV
V
µs
µs
V
V
V
V
V
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