PIC16F54-I/SS Microchip Technology, PIC16F54-I/SS Datasheet - Page 65

• Manufacturer Part Number: PIC16F54-I/SS
• Description: IC MCU FLASH 512X12 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F54-I/SS

• Core Size: 8-Bit
• Program Memory Size: 768B (512 x 12)
• Core Processor: PIC
• Speed: 20MHz
• Peripherals: POR, WDT
• Number Of I /o: 12
• Program Memory Type: FLASH
• Ram Size: 25 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 20-SSOP
• Controller Family/series: PIC16F
• No. Of I/o's: 12
• Ram Memory Size: 25Byte
• Cpu Speed: 20MHz
• No. Of Timers: 1
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: AC164307 - MODULE SKT FOR PM3 28SSOPAC164014 - MODULE SKT PROMATEII 44PQFP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

11.4
The timing parameter symbols have been created with one of the following formats:
FIGURE 11-2:
11.5
FIGURE 11-3:
© 2007 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
DS41213D-page 63