PIC16F874A-I/PT Microchip Technology, PIC16F874A-I/PT Datasheet - Page 189

• Manufacturer Part Number: PIC16F874A-I/PT
• Description: IC MCU FLASH 4K 20MHZ 44-TQFP
• Manufacturer: Microchip Technology
• Series: PIC® 16Fr

Specifications of PIC16F874A-I/PT

• Program Memory Type: FLASH
• Program Memory Size: 7KB (4K x 14)
• Package / Case: 44-TQFP, 44-VQFP
• 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: 33
• Eeprom Size: 128 x 8
• Ram Size: 192 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 5.5 V
• Data Converters: A/D 8x10b
• 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: 33
• Number Of Timers: 3
• 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
• Development Tools By Supplier: PG164130, DV164035, DV244005, DV164005, PG164120, ICE2000, DM163022, DV164120
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8-ch x 10-bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• For Use With: XLT44PT3 - SOCKET TRAN ICE 44MQFP/TQFPAC164305 - MODULE SKT FOR PM3 44TQFP444-1001 - DEMO BOARD FOR PICMICRO MCUAC164020 - MODULE SKT PROMATEII 44TQFP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

FIGURE 17-10:
TABLE 17-8:
 2003 Microchip Technology Inc.
62
63*
64
65
Param
No.
Note: Refer to Figure 17-3 for load conditions.
RD7:RD0
*
†
RE1/WR
RE0/RD
RE2/CS
T
T
T
T
WR
DT
RD
RD
These parameters are characterized but not tested.
Data in “Typ” column is at 5V, 25°C unless otherwise stated. These parameters are for design guidance only and are
not tested.
Symbol
V2
L2
H2
H2
WR
DT
DT
DT
V
I
PARALLEL SLAVE PORT REQUIREMENTS (PIC16F874A/877A ONLY)
H
I
PARALLEL SLAVE PORT TIMING (PIC16F874A/877A ONLY)
Data In Valid before WR
WR
(hold time)
RD
RD
and CS
or CS
or CS
to Data–out Invalid
to Data–in Invalid
to Data–out Valid
64
Characteristic
or CS
65
(setup time)
Standard(F)
Extended(LF)
Min
20
20
35
10
—
62
PIC16F87XA
Typ†
—
—
—
—
—
63
Max
80
30
—
—
—
Units
DS39582B-page 187
ns
ns
ns
ns
ns
Conditions