BS85B12-3 HOLTEK [Holtek Semiconductor Inc], BS85B12-3 Datasheet - Page 20

• Manufacturer Part Number: BS85B12-3
• Description: Touch Key Flash Type 8-Bit MCU with LCD/LED Driver
• Manufacturer: HOLTEK [Holtek Semiconductor Inc]

Power-on Reset Characteristics
Oscillator Temperature/Frequency Characteristics
Rev. 1.00
V
R
t
Symbol
POR
POR
POR AC
8.300
8.200
8.100
8.000
7.900
7.800
7.700
7.600
7.500
7.400
7.300
VDD Start Voltage to Ensure
Power-on Reset
VDD Raising Rate to Ensure
Power-on Reset
Minimum Time for VDD Stays at
V
-60
POR
to Ensure Power-on Reset
The following characteristic graphics depicts typical oscillator behavior. The data presented here is a
statistical summary of data gathered on units from different lots over a period of time. This is for
information only and the figures were not tested during manufacturing.
In some of the graphs, the data exceeding the specified operating range are shown for information
purposes only. The device will operate properly only within the specified range.
-40
Parameter
Touch Key Flash MCU with LCD/LED Driver
-20
0
Internal RC -- 8MHz (3V)
20
V
DD
Test Conditions
Ta(°C)
40
14
Conditions
60
BS85B12-3/BS85C20-3
80
0.035
Min.
100
1
Typ.
120
February 1, 2011
Max.
140
100
Ta=25 C
V/ms
Unit
mV
2.5V
2.7V
3.0V
4.0V
ms