PIC16F639-I/SS Microchip Technology, PIC16F639-I/SS Datasheet - Page 97

• Manufacturer Part Number: PIC16F639-I/SS
• Description: IC MCU FLASH 2KX14 20SSOP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F639-I/SS

• Program Memory Type: FLASH
• Program Memory Size: 3.5KB (2K x 14)
• Package / Case: 20-SSOP
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Peripherals: Brown-out Detect/Reset, LVD, POR, WDT
• Number Of I /o: 11
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 3.6 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 128 B
• Interface Type: SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 12
• Number Of Timers: 2
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT20SS1-1 - SOCKET TRANSITION 20DIP 20SSOPXLT20SS-1 - SOCKET TRANSITION 18DIP 20SSOPAC162066 - HEADER INTRFC MPLAB ICD2 20PINAC164307 - MODULE SKT FOR PM3 28SSOP
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

12.8
The timing parameter symbols have been created with
one of the following formats:
FIGURE 12-4:
 2003 Microchip Technology Inc.
1. TppS2ppS
2. TppS
T
pp
S
F
Lowercase letters (pp) and their meanings:
cc
ck
cs
di
do
dt
io
mc
Uppercase letters and their meanings:
F
H
I
L
TIMING PARAMETER SYMBOLOGY
Frequency
CCP1
CLKOUT
CS
SDI
SDO
Data in
I/O port
MCLR
Fall
High
Invalid (Hi-impedance)
Low
R
C
L
L
LOAD CONDITIONS
Pin
Load Condition 1
= 464Ω
= 50 pF
15 pF
for all pins
for OSC2 output
V
V
DD
SS
/2
R
C
L
L
T
osc
rd
sc
ss
t1
P
V
Z
rw
t0
wr
R
Pin
Time
OSC1
RD
RD or WR
SCK
SS
T0CKI
T1CKI
WR
Period
Rise
Valid
Hi-impedance
Load Condition 2
PIC16F630/676
V
SS
C
L
DS40039C-page 95