PIC16F946-E/PT Microchip Technology, PIC16F946-E/PT Datasheet - Page 231

• Manufacturer Part Number: PIC16F946-E/PT
• Description: Microcontroller
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F946-E/PT

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LCD, POR, PWM, WDT
• Number Of I /o: 53
• Program Memory Size: 14KB (8K x 14)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 336 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 64-TFQFP
• Processor Series: PIC16F
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 352 B
• Interface Type: SSP, I2C, AUSART, SPI
• Maximum Clock Frequency: 20 MHz
• Number Of Programmable I/os: 53
• Number Of Timers: 3
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, MA160011
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 10 bit, 8 Channel
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: MA160011 - DAUGHTER BOARD PICDEM LCD 16F91X
• Lead Free Status / Rohs Status: Details

19.0
Absolute Maximum Ratings
Ambient temperature under bias..........................................................................................................-40° to +125°C
Storage temperature ........................................................................................................................ -65°C to +150°C
Voltage on V
Voltage on MCLR with respect to Vss
Voltage on all other pins with respect to V
Total power dissipation
Maximum current out of V
Maximum current into V
Input clamp current, I
Output clamp current, I
Maximum output current sunk by any I/O pin.................................................................................................... 25 mA
Maximum output current sourced by any I/O pin .............................................................................................. 25 mA
Maximum current sunk by all ports (combined) .............................................................................................. 200 mA
Maximum current sourced by all ports (combined) ......................................................................................... 200 mA
Note 1: Power dissipation is calculated as follows: P
© 2005 Microchip Technology Inc.
† NOTICE: Stresses above those listed under “Absolute Maximum Ratings” may cause permanent damage to the
device. This is a stress rating only and functional operation of the device at those or any other conditions above those
indicated in the operation listings of this specification is not implied. Exposure to maximum rating conditions for
extended periods may affect device reliability.
2: Voltage spikes below V
ELECTRICAL SPECIFICATIONS
a series resistor of 50-100
pulling this pin directly to V
DD
with respect to V
IK
(1)
OK
(V
DD
................................................................................................................................... 1.0 W
I
SS
(Vo < 0 or Vo >V
< 0 or V
pin ........................................................................................................................ 250 mA
pin ..................................................................................................................... 300 mA
SS
SS
I
at the MCLR pin, inducing currents greater than 80 mA, may cause latch-up. Thus,
> V
................................................................................................... -0.3V to +6.5V
(†)
(2)
SS
DD
should be used when applying a “low” level to the MCLR pin, rather than
.
........................................................................................... -0.3V to +13.5V
SS
)
DD
........................................................................... -0.3V to (V
)
Preliminary
DIS
= V
DD
x {I
DD
– ∑ I
OH
} + ∑ {(V
DD
– V
PIC16F946
OH
) x I
DS41265A-page 229
OH
} + ∑(V
DD
+ 0.3V)
20 mA
20 mA
OL
x I
OL
).