Datasheet

2005-2015 Microchip Technology Inc. DS40001262F-page 257
PIC16F631/677/685/687/689/690
TABLE 17-23: OSCILLATOR PARAMETERS FOR PIC16F685/687/689/690-H (High Temp.)
TABLE 17-24: WATCHDOG TIMER SPECIFICATIONS FOR PIC16F685/687/689/690-H
(High Temp.)
TABLE 17-25: BROWN-OUT RESET SPECIFICATIONS FOR PIC16F685/687/689/690-H
(High Temp.)
TABLE 17-26: COMPARATOR SPECIFICATIONS FOR PIC16F685/687/689/690-H
(High Temp.)
Param
No.
Sym. Characteristic
Frequency
Tolerance
Min. Typ. Max. Units Conditions
OS08 INTOSC Int. Calibrated INTOSC
Freq.
(1)
±7.5% 7.4 8.0 8.6 MHz 2.1V VDD 5.5V
-40°C T
A 150°C
Note 1: To ensure these oscillator frequency tolerances, VDD and VSS must be capacitively decoupled as close to
the device as possible. 0.1 µF and 0.01 µF values in parallel are recommended.
Param
No.
Sym. Characteristic Min. Typ. Max. Units Conditions
31 T
WDT Watchdog Timer Time-out Period
(No Prescaler)
10 20 70 ms 150°C Temperature
Param
No.
Sym. Characteristic Min. Typ. Max. Units Conditions
35 V
BOR Brown-Out Reset Voltage 2.0 2.3 V 150°C Temperature
Param
No.
Sym. Characteristic Min. Typ. Max. Units Conditions
CM01 V
OS Input Offset Voltage ±5 ±20 mV (VDD - 1.5)/2