PIC16C621A Microchip Technology Inc., PIC16C621A Datasheet - Page 89

• Manufacturer Part Number: PIC16C621A
• Description: Eprom-based 8-bit Cmos Microcontrollers
• Manufacturer: Microchip Technology Inc.

FIGURE 12-10:
 2003 Microchip Technology Inc.
(Volts)
V
DD
Note 1: The shaded region indicates the permissible combinations of voltage and frequency.
6.0
5.5
5.0
4.5
4.0
3.5
3.0
2.5
2: The maximum rated speed of the part limits the permissible combinations of voltage and frequency.
3: Operation between 20 to 40 MHz requires the following:
0
Please reference the Product Identification System section for the maximum rated speed of the parts.
• V
• OSC1 externally driven
• OSC2 not connected
• HS mode
• Commercial temperatures
Devices qualified for 40 MHz operation have -40 designation (ex: PIC16C620A-40/P).
DD
between 4.5V. and 5.5V
PIC16C620A/C621A/C622A/CR620A - 40 VOLTAGE-FREQUENCY GRAPH,
0°C ≤ T
A
≤ +70°C
4
Frequency (MHz)
10
20
PIC16C62X
25
DS30235J-page 87
40