PIC16F721T-I/SO Microchip Technology, PIC16F721T-I/SO Datasheet - Page 84

• Manufacturer Part Number: PIC16F721T-I/SO
• Description: 7 KB FLASH, 256 B SRAM, 18 I/O 20 SOIC .300in T/R
• Manufacturer: Microchip Technology
• Series: PIC® XLP™ 16Fr

Specifications of PIC16F721T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 16MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 17
• Program Memory Size: 7KB (4K x 14)
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 1.8 V ~ 5.5 V
• Data Converters: A/D 12x8b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PIC16F/LF720/721
FIGURE 9-3:
FIGURE 9-4:
DS41430A-page 84
Note 1: The reference voltage (V
Legend:
2: The charge holding capacitor (C
3: The maximum recommended impedance for analog sources is 10 k. This is required to meet the pin
Note 1:
leakage specification.
C
C
I
R
R
SS
V
LEAKAGE
T
HOLD
PIN
IC
SS
Refer to
VA
ANALOG INPUT MODEL
ADC TRANSFER FUNCTION
= Sample/Hold Capacitance
= Input Capacitance
= Leakage current at the pin due to
= Interconnect Resistance
= Resistance of Sampling Switch
= Sampling Switch
= Threshold Voltage
V
Rs
SS
various junctions
Section 23.0 “Electrical Specifications”
FDh
FCh
FEh
FBh
FFh
04h
03h
02h
01h
00h
ANx
C
5 pF
PIN
REF
) has no effect on the equation, since it cancels itself out.
1 LSB ideal
Zero-Scale
Transition
HOLD
V
Full-Scale Range
DD
V
V
) is not discharged after each conversion.
T
T
 0.6V
 0.6V
I
R
LEAKAGE
IC
.
 1k
V
(1)
REF
V
DD
SS Rss
Sampling
Switch
2V
6V
4V
Full-Scale
Transition
1 LSB ideal
Analog Input Voltage
5
V
C
 2010 Microchip Technology Inc.
Sampling Switch, Typical
SS
HOLD
10
= 20 pF
(k)
15
20