PIC16F628AT-E/SS Microchip Technology, PIC16F628AT-E/SS Datasheet - Page 147

• Manufacturer Part Number: PIC16F628AT-E/SS
• Description: IC,MICROCONTROLLER,8-BIT,PIC CPU,CMOS,SSOP,20PIN,PLASTIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F628AT-E/SS

• Rohs Compliant: YES
• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• 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
• For Use With: I3DBF648 - BOARD DAUGHTER ICEPIC3AC162053 - HEADER INTERFACE ICD,ICD2 18DIP
• Data Converters: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 17-7:
TABLE 17-7:
FIGURE 17-8:
© 2009 Microchip Technology Inc.
Legend:
Parameter
RB6/T1OSO/T1CKI/PGC
No.
30
31
32
33
34
35
*
†
RA4/T0CKI/CMP2
V
DD
TBD = To Be Determined.
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 tested.
T
Sym
T
T
T
TMR0 OR
TMR1
T
T
PWRT
MC
WDT
OST
BOR
IOZ
RESET, WATCHDOG TIMER, OSCILLATOR START-UP TIMER AND POWER-UP
TIMER REQUIREMENTS
L
BROWN-OUT RESET TIMING
TIMER0 AND TIMER1 EXTERNAL CLOCK TIMINGS
MCLR Pulse Width (low)
Watchdog Timer Time out Period
(No Prescaler)
Oscillation Start-up Timer Period
Power-up Timer Period
I/O High-impedance from MCLR
Low or Watchdog Timer Reset
Brown-out Reset pulse width
Characteristic
40
45
PIC16F627A/628A/648A
2000
100*
Min
28*
—
—
7*
V
BOR
42
47
1024 T
Typ†
18
72
—
—
—
OSC
41
46
Max
132*
2.0*
35
33*
—
—
—
Units
ms
ms
ns
μs
μs
—
V
V
T
V
V
OSC
DD
DD
DD
DD
48
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
= 5V, -40°C to +85°C
≤ V
= OSC1 period
BOR
Conditions
DS40044G-page 147
(D005)