PIC16F57-I/P Microchip Technology Inc., PIC16F57-I/P Datasheet - Page 67

• Manufacturer Part Number: PIC16F57-I/P
• Description: 28 PIN, 3K FLASH, 72 RAM, 20 I/O
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F57-I/P

• Cpu Speed: 5 MIPS
• Eeprom Memory: 0 Bytes
• Frequency: 20 MHz
• Input Output: 20
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 28-pin PDIP
• Programmable Memory: 3K Bytes
• Ram Size: 72 Bytes
• Speed: 20 MHz
• Timers: 1-8-bit
• Voltage, Range: 2-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

11.4
The timing parameter symbols have been created with one of the following formats:
FIGURE 11-2:
11.5
FIGURE 11-3:
 2004 Microchip Technology Inc.
1. TppS2ppS
2. TppS
T
Lowercase letters (pp) and their meanings:
pp
Uppercase letters and their meanings:
S
F
2
ck CLKOUT
cy
drt device reset timer
io
H
I
L
F
CLKOUT
Frequency
I/O port
Fall
Invalid (High-impedance)
Low
to
cycle time
High
OSC1
Timing Parameter Symbology and Load Conditions
Timing Diagrams and Specifications
Pin
LOAD CONDITIONS FOR DEVICE TIMING SPECIFICATIONS – PIC16F5X
EXTERNAL CLOCK TIMING
Q4
V
SS
C
L
Q1
1
Legend:
C
L
=
50 pF
0-15 pF
Q2
T
mc MCLR
osc oscillator
os OSC1
t0
wdt watchdog timer
P
R
V
Z
2
for all pins and OSC2 for RC mode
for OSC2 in XT, HS or LP modes when
external clock is used to drive OSC1
Time
Rise
Valid
High-impedance
T0CKI
Period
3
Q3
3
Q4
4
PIC16F5X
4
Q1
DS41213C-page 65