Information

PIC16C505
DS80060D-page 8 © 2007 Microchip Technology Inc.
3. Module: PORTB Pull-up Register Ranges
Corrections for the PORTB pull-up resistor ranges are
shown in Table 10-1.
TABLE 10-1: PULL-UP RESISTOR RANGES – PIC16C505
VDD (Volts) Temperature (°C) Min Typ Max Units
RB0/RB1/RB4
2.5 –40 38K 42K 63K Ω
25 42K 48K 63K Ω
85 42K 49K 63K Ω
125 50K 55K 63K Ω
5.5 –40 15K 17K 20K Ω
25 18K 20K 23K Ω
85 19K 22K 25K Ω
125 22K 24K 28K Ω
RB3
(1)
2.5 –40 65K 80K 850K Ω
25 80K 100K 1150K Ω
85 85K 110K 1300K Ω
125 100K 120K 1500K Ω
5.5 –40 50K 60K 600K Ω
25 60K 65K 750K Ω
85 65K 80K 900K Ω
125 75K 90K 990K Ω
* These parameters are characterized but not tested.
Note 1: The weak pull-up resistor and associated current for the RB3/MCLR
pin is nonlinear when the respective
pin voltage is less than V
DD – 1.0V. See parameter D061 for RB3/MCLR pin current specifications.