PIC16F628-04E/SS Microchip Technology, PIC16F628-04E/SS Datasheet - Page 140

• Manufacturer Part Number: PIC16F628-04E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628-04E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• Program Memory Size: 3.5KB (2K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 224 x 8
• Voltage - Supply (vcc/vdd): 3 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F62X
FIGURE 17-8:
FIGURE 17-9:
TABLE 17-6:
DS40300C-page 138
30
31
32
33*
34
35
Param
No.
Watchdog
I/O Pins
Timeout
Timeout
Internal
Internal
RESET
RESET
* These parameters are characterized but not tested.
† Data in “Typ” column is at 5.0V, 25°C unless otherwise stated. These parameters are for design guidance only and are not
MCLR
PWRT
Timer
POR
OSC
V
tested.
V
DD
DD
TmcL
Tpwrt
Sym
TIOZ
T
Twdt
Tost
BOD
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER REQUIREMENTS
MCLR Pulse Width (low)
Watchdog Timer Timeout Period
(No Prescaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O Hi-impedance from MCLR Low
or Watchdog Timer Reset
Brown-out Detect pulse width
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER TIMING
BROWN-OUT DETECT TIMING
33
Characteristic
32
Preliminary
2000
Min
TBD
TBD
TBD
100
28
—
—
7
34
V
BOD
1024T
Typ†
TBD
TBD
TBD
18
72
—
—
—
30
OSC
Max
TBD
TBD
TBD
132
2.0
33
—
—
—
35
Units
ms
ms
ms
ms
ms
ns
µs
µs
—
31
 2003 Microchip Technology Inc.
V
Extended temperature
V
Extended temperature
T
V
Extended temperature
V
OSC
34
DD
DD
DD
DD
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
≤ V
= OSC1 period
BOD
Conditions
(D005)