A.c. Characteristics; Low Speed C - Holtek BS83B24C Manual

A.C. Characteristics

For data in the following tables, note that factors such as oscillator type, operating voltage, operating
frequency and temperature etc., can all exert an influence on the measured values.
High Speed Internal Oscillator – HIRC – Frequency Accuracy
During the program writing operation the writer will trim the HIRC oscillator at a user selected
HIRC frequency and user selected voltage of either 3V or 5V.
8/12/16MHz
Symbol Parameter
�MHz w�ite� t�immed
HIRC f�eq�enc�
1�MHz w�ite� t�immed
f
HIRC
HIRC f�eq�enc�
16MHz w�ite� t�immed
HIRC f�eq�enc�
Notes: 1. The 3V/5V values for V
frequency is trimmed by the writer.
2. The row below the 3V/5V trim voltage row is provided to show the values for the full V
operating voltage. It is recommended that the trim voltage is fixed at 3V for application voltage ranges
from 2.2V to 3.6V and fixed at 5V for application voltage ranges from 3.3V to 5.5V.
3. The minimum and maximum tolerance values provided in the table are only for the frequency at which
the writer trims the HIRC oscillator. After trimming at this chosen specific frequency any change in
HIRC oscillator frequency using the oscillator register control bits by the application program will give
a frequency tolerance to within ±20%.
Low Speed Internal Oscillator Characteristics – LIRC
Symbol Parameter
f LIRC ��eq�enc�
LIRC
t LIRC Sta�t Up Time
START
Low Speed Crystal Oscillator Characteristics – LXT
Symbol Parameter
f Oscillato� ��eq�enc�
LXT
t Sta�t-�p Time
START
D�t� C�cle D�t� C�cle
R Negative Resistance
NEG
Note : C1, C2 and R are external components. C1=C2=10pF, R
P
Rev. 1.00
Test Conditions
V Temp.
DD
�5°C
3V/5V
-40°C ~ �5°C
�5°C
�.�V~5.5V
-40°C ~ �5°C
�5°C
3V/5V
-40°C ~ �5°C
�5°C
�.�V~5.5V
-40°C ~ �5°C
�5°C
5V
-40°C ~ �5°C
�5°C
3.3V~5.5V
-40°C ~ �5°C
are provided as these are the two selectable fixed voltages at which the HIRC
DD
Test Conditions
V Temp.
DD
�5°C
�.�V~5.5V
-40°C~�5°C
— —
Test Conditions
V
DD
�.�V~5.5V -40°C~�5°C
3V/5V
—
�.�V
=R
P
�0
BS83B24C/BS83C40C
Touch Flash MCU
Min. Typ.
-1% �
-�% �
-�.5% �
-3% �
-1% 1�
-�% 1�
-�.5% 1�
-3% 1�
-1% 16
-�% 16
-�.5% 16
-3% 16
Ta=�5°C, unless otherwise specified
Min. Typ.
-10% 3�
-50% 3�
— —
Min. Typ.
Temp.
— 3��6�
— — —
— 45 50
— 3×ESR —
10MΩ, C =7pF, ESR=30kΩ.
U= L
�e���a�� 0�� �01�
Max. Unit
+1%
+�%
MHz
+�.5%
+3%
+1%
+�%
MHz
+�.5%
+3%
+1%
+�%
MHz
+�.5%
+3%
range
DD
Max. Unit
+10%
kHz
+60%
500 μs
Ta=�5°C
Max. Unit
— Hz
500 ms
55 %
— Ω