PIC16F873A-I/SP Microchip Technology, PIC16F873A-I/SP Datasheet - Page 576

IC MCU FLASH 4KX14 EE 28DIP

PIC16F873A-I/SP

Manufacturer Part Number
PIC16F873A-I/SP
Description
IC MCU FLASH 4KX14 EE 28DIP
Manufacturer
Microchip Technology
Series
PIC® 16Fr

Specifications of PIC16F873A-I/SP

Program Memory Type
FLASH
Program Memory Size
7KB (4K x 14)
Package / Case
28-DIP (0.300", 7.62mm)
Core Processor
PIC
Core Size
8-Bit
Speed
20MHz
Connectivity
I²C, SPI, UART/USART
Peripherals
Brown-out Detect/Reset, POR, PWM, WDT
Number Of I /o
22
Eeprom Size
128 x 8
Ram Size
192 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 5.5 V
Data Converters
A/D 5x10b
Oscillator Type
External
Operating Temperature
-40°C ~ 85°C
Processor Series
PIC16F
Core
PIC
Data Bus Width
8 bit
Data Ram Size
192 B
Interface Type
I2C, SPI, USART
Maximum Clock Frequency
20 MHz
Number Of Programmable I/os
22
Number Of Timers
3
Operating Supply Voltage
2 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
PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
Minimum Operating Temperature
- 40 C
On-chip Adc
10 bit, 5 Channel
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
PIC16F873AI/SP

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PICmicro MID-RANGE MCU FAMILY
30.5
DS31030A-page 30-6
Device Current Specifications
I
taken with all I/O as inputs, either pulled high or low. That is, there are no floating inputs, nor are
any pins driving an output (with a load).
I
referred to as power-down current. These tests are taken with all I/O as inputs, either pulled high
or low. That is, there are no floating inputs, nor are any pins driving an output (with a load), weak
pull-ups are disabled.
A device may have certain features and modules that can operate while the device is in sleep
mode. Some on these modules are:
• Watchdog Timer (WDT)
• Brown-out Reset (BOR) circuitry
• Timer1
• Analog to Digital converter
• LCD module
• Comparators
• Voltage Reference
When all features are disabled, the device will consume the lowest possible current (the leakage
current). If any of these features are operating while the device is in sleep, a higher current will
occur. The difference between the lowest power mode (everything off) at only that one feature
enabled (such as the WDT) is what we call the Module Differential Current. If more then one
feature is enabled then the expected current can easily be calculated as: the base current (every-
thing disabled and in sleep mode) plus all Module Differential Currents (delta currents).
Example 30-1
WDT and Timer1 oscillator enabled.
Example 30-1:
DD
PD
Base Current
WDT Delta Current
Timer1 Delta Current
Total Sleep Current
is the current (I) that the device consumes when the device is in operating mode. This test is
is the current (I) that the device consumes when the device is in sleep mode (power-down),
shows an example of calculating the typical currents for a device at 5V, with the
I
PD
Calculations with WDT and Timer1 Oscillator Enabled (@ 5V)
14 nA
14 A
22 A
36 A
; Device leakage current
; 14 A - 14 nA = 14 A
; 22 A - 14 nA = 22 A
;
1997 Microchip Technology Inc.

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