PIC16F1939-I/PT Microchip Technology Inc., PIC16F1939-I/PT Datasheet - Page 461

• Manufacturer Part Number: PIC16F1939-I/PT
• Description: 44 TQFP 10x10x1mm TRAY, 28KB Flash, 1KB RAM, 256B EEPROM, LCD, 1.8-5.5V
• Manufacturer: Microchip Technology Inc.

Specifications of PIC16F1939-I/PT

• A/d Inputs: 14-Channel, 10-Bit
• Comparators: 2
• Cpu Speed: 8 MIPS
• Eeprom Memory: 256 Bytes
• Input Output: 36
• Interface: I2C/SPI/UART/USART
• Memory Type: Flash
• Number Of Bits: 8
• Package Type: 40-pin TQFP
• Programmable Memory: 28K Bytes
• Ram Size: 1K Bytes
• Speed: 32 MHz
• Temperature Range: –40 to 125 °C
• Timers: 4-8-bit, 1-16-bit
• Voltage, Range: 1.8-5.5 V
• Lead Free Status / Rohs Status: RoHS Compliant part Electrostatic Device

TABLE 31-4:
FIGURE 31-8:
 2009 Microchip Technology Inc.
Standard Operating Conditions (unless otherwise stated)
Operating Temperature -40°C T
OS11
OS12
OS13
OS14
OS15
OS16
OS17
OS18
OS19
OS20* Tinp
OS21* Tioc
Note 1: Measurements are taken in RC mode where CLKOUT output is 4 x T
Param
Internal Reset
Watchdog Timer
No.
Start-Up Time
*
† Data in “Typ” column is at 3.0V, 25C unless otherwise stated.
2: Includes OSC2 in CLKOUT mode.
Note 1: Asserted low.
Time-out
Reset
TosH2ckL
TosH2ckH F
TckL2ioV
TioV2ckH
TosH2ioV
TosH2ioI
TioV2osH
TioR
TioF
I/O pins
Internal
These parameters are characterized but not tested.
PWRT
MCLR
POR
OSC
Sym.
V
DD
(1)
(1)
CLKOUT AND I/O TIMING PARAMETERS
F
CLKOUT to Port out valid
Port input valid before CLKOUT
Fosc (Q1 cycle) to Port out valid
Fosc (Q2 cycle) to Port input invalid
(I/O in hold time)
Port input valid to Fosc(Q2 cycle)
(I/O in setup time)
Port output rise time
Port output fall time
INT pin input high or low time
Interrupt-on-change new input level
time
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
OSC
OSC
 to CLKOUT
 to CLKOUT
33
A
Characteristic
+125°C
32
(2)
(2)
(1)
(1)
(1)
Preliminary
(1)
T
OSC
PIC16F193X/LF193X
34
Min.
+ 200 ns
50
20
25
25
—
—
—
—
—
—
—
—
30
OSC
Typ†
—
—
—
—
50
—
—
40
15
28
15
—
—
.
Max.
31
70*
70
72
20
72
32
55
30
—
—
—
—
—
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
DS41364D-page 461
34
V
V
V
V
V
V
V
V
DD
DD
DD
DD
DD
DD
DD
DD
Conditions
= 3.3-5.0V
= 3.3-5.0V
= 3.3-5.0V
= 3.3-5.0V
= 1.8V
= 3.3-5.0V
= 1.8V
= 3.3-5.0V