Datasheet

PIC18F2450/4450
DS39760D-page 278 © 2008 Microchip Technology Inc.
21.3 DC Characteristics: PIC18F2450/4450 (Industrial)
PIC18LF2450/4450 (Industrial)
DC CHARACTERISTICS
Standard Operating Conditions (unless otherwise stated)
Operating temperature -40°C ≤ T
A ≤ +85°C for industrial
Param
No.
Sym Characteristic Min Max Units Conditions
V
IL Input Low Voltage
I/O Ports (except RC4/RC5 in
USB mode):
D030 with TTL Buffer V
SS 0.15 VDD VVDD < 4.5V
D030A — 0.8 V 4.5V ≤ VDD ≤ 5.5V
D032 MCLR
VSS 0.2 VDD V
D032A OSC1 and T1OSI V
SS 0.3 VDD V XT, HS, HSPLL modes
(1)
D033 OSC1 VSS 0.2 VDD VEC mode
(1)
VIH Input High Voltage
I/O Ports (except RC4/RC5 in
USB mode):
D040 with TTL Buffer 0.25 V
DD + 0.8V VDD VVDD < 4.5V
D040A 2.0 V
DD V4.5V ≤ VDD ≤ 5.5V
D042 MCLR
0.8 VDD VDD V
D042A OSC1 and T1OSI 0.7 VDD VDD V XT, HS, HSPLL modes
(1)
D043 OSC1 0.8 VDD VDD VEC mode
(1)
IIL Input Leakage Current
(2,3)
D060 I/O Ports (except D+ and D-) — ±200 nA VDD = 5V
— ±50 nA VDD = 3V
D061 MCLR
— ±1 μAVss ≤ VPIN ≤ VDD
D063 OSC1 — ±1 μAVss ≤ VPIN ≤ VDD
IPU Weak Pull-up Current
D070 IPURB PORTB Weak Pull-up Current 50 400 μAVDD = 5V, VPIN = VSS
Note 1: In RC oscillator configuration, the OSC1/CLKI pin is a Schmitt Trigger input. It is not recommended that the
PIC
®
microcontroller be driven with an external clock while in RC mode.
2: The leakage current on the MCLR pin is strongly dependent on the applied voltage level. The specified
levels represent normal operating conditions. Higher leakage current may be measured at different input
voltages.
3: Negative current is defined as current sourced by the pin.
4: Parameter is characterized but not tested.