PIC18LF2539T-I/SO Microchip Technology, PIC18LF2539T-I/SO Datasheet - Page 273

• Manufacturer Part Number: PIC18LF2539T-I/SO
• Description: IC MCU FLASH 12KX16 EE AD 28SOIC
• Manufacturer: Microchip Technology
• Series: PIC® 18Fr

Specifications of PIC18LF2539T-I/SO

• Core Processor: PIC
• Core Size: 8-Bit
• Speed: 40MHz
• Connectivity: I²C, SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, LVD, POR, PWM, WDT
• Number Of I /o: 21
• Program Memory Size: 24KB (12K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 1408 x 8
• Voltage - Supply (vcc/vdd): 2 V ~ 5.5 V
• Data Converters: A/D 5x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 28-SOIC (7.5mm Width)
• Processor Series: PIC18LF
• Core: PIC
• Data Bus Width: 8 bit
• Data Ram Size: 1408 B
• Interface Type: I2C, SPI, AUSART
• Maximum Clock Frequency: 40 MHz
• Number Of Programmable I/os: 21
• Number Of Timers: 16 bit
• Operating Supply Voltage: 2 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: 52715-96, 52716-328, 52717-734, 52712-325, EWPIC18
• Development Tools By Supplier: DV164005, DV164136
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 5 bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

FIGURE 23-6:
TABLE 23-6:
 2002 Microchip Technology Inc.
Param.
10
11
12
13
14
15
16
17
18
18A
19
20
20A
21
21A
22††
23††
24††
Note 1: Measurements are taken in RC mode, where CLKO output is 4 x T
No.
I/O Pin
(output)
†† These parameters are asynchronous events not related to any internal clock edges.
I/O Pin
(input)
CLKO
OSC1
Note:
TosH2ckL OSC1↑ to CLKO↓
TosH2ckH OSC1↑ to CLKO↑
TckR
TckF
TckL2ioV CLKO↓ to Port out valid
TioV2ckH Port in valid before CLKO ↑
TckH2ioI
TosH2ioV OSC1↑ (Q1 cycle) to Port out valid
TosH2ioI OSC1↑ (Q2 cycle) to Port
TioV2osH Port input valid to OSC1↑ (I/O in setup time)
TioR
TioF
T
T
T
Symbol
INP
RBP
RCP
Refer to Figure 23-4 for load conditions.
CLKO AND I/O TIMING REQUIREMENTS
CLKO rise time
CLKO fall time
Port in hold after CLKO ↑
input invalid (I/O in hold time)
Port output rise time
Port output fall time
INT pin high or low time
RB7:RB4 change INT high or low time
RC7:RC4 change INT high or low time
Old Value
CLKO AND I/O TIMING
Q4
Characteristic
10
13
17
14
20, 21
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
PIC18FXXXX
PIC18LFXXXX
Preliminary
Q1
19
0.25 T
18
Min
100
200
T
T
20
—
—
—
—
—
—
—
—
—
—
CY
0
0
CY
CY
+ 25
Q2
OSC
15
.
Typ
75
75
35
35
50
10
10
—
—
—
—
—
—
—
—
—
—
PIC18FXX39
0.5 T
Max
200
200
100
100
150
CY
25
60
25
60
—
—
—
—
—
—
—
11
12
+ 20
New Value
DS30485A-page 271
16
Units Conditions
Q3
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
(Note 1)
V
V
DD
DD
= 2V
= 2V