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2005 Microchip Technology Inc.
Preliminary
DS41265A-page 231
PIC16F946
19.1
DC Characteristics: PIC16F946-I (Industrial), PIC16F946-E (Extended)
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C
≤ TA ≤ +85°C for industrial
-40°C
≤ TA ≤ +125°C for extended
Param
No.
Sym
Characteristic
Min
Typ Max Units
Conditions
D001
D001C
D001D
VDD
Supply Voltage
2.0
3.0
4.5
—
5.5
V
FOSC < = 4 MHz:
FOSC < = 10 MHz
FOSC < = 20 MHz
D002
VDR
RAM Data Retention
Voltage(1)
1.5*
—
V
Device in Sleep mode
D003
VPOR
VDD Start Voltage to
ensure internal Power-on
Reset signal
—VSS
—V
See Section 16.3 “Power-on Reset” for
details.
D004
SVDD
VDD Rise Rate to ensure
internal Power-on Reset
signal
0.05
*
—
V/ms See Section 16.3 “Power-on Reset” for
details.
D005
VBOR
Brown-out Reset
—2.1
—
V
*
These parameters are characterized but not tested.
Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance
only and are not tested.
Note 1:
This is the limit to which VDD can be lowered in Sleep mode without losing RAM data.
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