PIC16C621A-04/SO Microchip Technology, PIC16C621A-04/SO Datasheet - Page 56

• Manufacturer Part Number: PIC16C621A-04/SO
• Description: IC MCU OTP 1KX14 COMP 18SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 16Cr

Specifications of PIC16C621A-04/SO

• Core Size: 8-Bit
• Core Processor: PIC
• 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: 0°C ~ 70°C
• Package / Case: 18-SOIC (7.5mm Width)
• Controller Family/series: PIC16C
• No. Of Timers 8/12/16/32 Bits: 1 / 0 / 0 / 0
• Termination Type: SMD
• Mounting Type: Surface Mount
• Supply Voltage Min: 2.7V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT18SO-1 - SOCKET TRANSITION 18SOIC 300MILISPICR1 - ADAPTER IN-CIRCUIT PROGRAMMING309-1075 - ADAPTER 18-SOIC TO 18-SOIC309-1011 - ADAPTER 18-SOIC TO 18-DIP309-1010 - ADAPTER 18-SOIC TO 18-DIPAC164010 - MODULE SKT PROMATEII DIP/SOIC
• Eeprom Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

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