ATmega88PA Automotive Atmel Corporation, ATmega88PA Automotive Datasheet - Page 181

• Manufacturer Part Number: ATmega88PA Automotive
• Manufacturer: Atmel Corporation

22.4
Table 22-4.
Notes:
7701E–AVR–02/11
Symbol
V
V
t
V
RAM
t
I
HYST
BOD
BG
BG
BG
System and Reset Characterizations
1. Values are guidelines only.
2. This is the limit to which VDD can be lowered without losing RAM data
2.
Reset, Brown-out and Internal Voltage Reference Characteristics
Parameter
Brown-out Detector Hysteresis
RAM Retention Voltage
Min Pulse Width on Brown-out Reset
Bandgap reference voltage
Bandgap reference start-up time
Bandgap reference current consumption
Table 22-5.
Note:
BODLEVEL [2..0] Fuses
(1)
1. V
where this is the case, the device is tested down to V
This guarantees that a Brown-out Reset will occur before V
rect operation of the microcontroller is no longer guaranteed.
BOT
BODLEVEL Fuse Coding
111
110
101
100
011
010
001
000
may be below nominal minimum operating voltage for some devices. For devices
Atmel ATtiny24/44/84 [Preliminary]
V
V
V
C C
C C
C C
= 2.7V, T
= 2.7V, T
= 2.7V, T
Condition
Min V
(1)
2.5
4.0
A
A
A
BOT
= 25°C
= 25°C
= 25°C
(1)
Typ V
Min
1.8
2.7
4.3
2.3
2.2
1.9
2.0
1.0
50
BOD Disabled
CC
BOT
= V
CC
BOT
Typ
100
drops to a voltage where cor-
1.1
40
10
2
during the production test.
Max V
2.9
4.6
Max
250
mV
BOT
1.2
70
Units
Units
mV
µA
ns
µs
V
V
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