PIC16LC621A-04I/P Microchip Technology, PIC16LC621A-04I/P Datasheet - Page 56

• Manufacturer Part Number: PIC16LC621A-04I/P
• Description: IC MCU OTP 1KX14 COMP 18DIP
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16LC621A-04I/P

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: Brown-out Detect/Reset, POR, WDT
• Number Of I /o: 13
• Program Memory Size: 1.75KB (1K x 14)
• Program Memory Type: OTP
• Ram Size: 96 x 8
• Voltage - Supply (vcc/vdd): 2.5 V ~ 5.5 V
• Oscillator Type: External
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 18-DIP (0.300", 7.62mm)
• Processor Series: PIC16LC
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 96 B
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 13
• Number Of Timers: 8
• Operating Supply Voltage: 2.5 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: Through Hole
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: ICE2000, DM163022
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

PIC16C62X
FIGURE 9-11:
FIGURE 9-12:
DS30235J-page 54
Note 1: This circuit will activate RESET when
Note 1: External Power-on Reset circuit is
V
V
DD
2: Internal Brown-out Reset circuitry should
DD
2: < 40 kΩ is recommended to make sure
3: R1 = 100Ω to 1 kΩ will limit any current
R
V
Vz = Zener voltage.
be disabled when using this circuit.
C
33k
required only if V
too slow. The diode D helps discharge
the capacitor quickly when V
down.
that voltage drop across R does not
violate the device’s electrical specifica-
tion.
flowing into MCLR from external capaci-
tor C in the event of MCLR/V
breakdown due to Electrostatic
Discharge (ESD) or Electrical Over-
stress (EOS).
DD
goes below (Vz + 0.7V) where
V
DD
10k
EXTERNAL POWER-ON
RESET CIRCUIT (FOR
SLOW V
EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 1
D
R1
DD
40k
DD
power-up slope is
PIC16C62X
POWER-UP)
MCLR
PIC16C62X
MCLR
DD
V
PP
DD
powers
pin
FIGURE 9-13:
FIGURE 9-14:
Note 1: This brown-out circuit is less expen-
This
Microchip Technology’s MCP809 microcontroller
supervisor. The MCP8XX and MCP1XX families
of supervisors provide push-pull and open
collector outputs with both high and low active
RESET pins. There are 7 different trip point
selections to accommodate 5V and 3V systems.
Vss
V
DD
2: Internal Brown-out Reset should be
3: Resistors should be adjusted for the
MCP809
brown-out
RST
R1
R2
sive, albeit less accurate. Transistor
Q1 turns off when V
certain level such that:
disabled when using this circuit.
characteristics of the transistor.
V
V
DD
DD
V
DD
capacitor
bypass
x
EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 2
EXTERNAL BROWN-OUT
PROTECTION CIRCUIT 3
protection
 2003 Microchip Technology Inc.
R1 + R2
R1
Q1
40k
DD
= 0.7V
PIC16C62X
circuit
MCLR
V
is below a
DD
PIC16C62X
MCLR
V
DD
employs