PIC16C74B-20I/L Microchip Technology Inc., PIC16C74B-20I/L Datasheet - Page 12
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PIC16C74B-20I/L
Manufacturer Part Number
PIC16C74B-20I/L
Description
44 PIN, 7 KB OTP, 192 RAM, 33 I/O
Manufacturer
Microchip Technology Inc.
Datasheet
1.PIC16C74B-20IL.pdf
(184 pages)
Specifications of PIC16C74B-20I/L
A/d Inputs
8-Channel, 8-Bit
Cpu Speed
5 MIPS
Eeprom Memory
0 Bytes
Input Output
33
Interface
I2C/SPI/USART
Memory Type
OTP
Number Of Bits
8
Package Type
44-pin PLCC
Programmable Memory
7K Bytes
Ram Size
192 Bytes
Speed
4 MHz
Timers
2-8-bit, 1-16-bit
Voltage, Range
2.5-5.5 V
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
PIC16C74B-20I/L
Manufacturer:
Microchip Technology
Quantity:
10 000
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PIC16C63A/65B/73B/74B
TABLE 3-2:
DS30605C-page 12
OSC1/CLKIN
OSC2/CLKOUT
MCLR/V
RA0/AN0
RA1/AN1
RA2/AN2
RA3/AN3/V
RA4/T0CKI
RA5/SS/AN4
RB0/INT
RB1
RB2
RB3
RB4
RB5
RB6
RB7
Legend: I = input
Note 1: This buffer is a Schmitt Trigger input when configured as the external interrupt.
Pin Name
2: This buffer is a Schmitt Trigger input when used in Serial Programming mode.
3: This buffer is a Schmitt Trigger input when configured as general purpose I/O and a TTL input when used in the Parallel
4: This buffer is a Schmitt Trigger input when configured in RC oscillator mode and a CMOS input otherwise.
5: A/D is not available on the PIC16C65B.
PP
(5)
(5)
(5)
— = Not used
Slave Port mode (for interfacing to a microprocessor bus).
REF
(5)
(5)
PIC16C65B/74B PINOUT DESCRIPTION
Pin#
DIP
13
14
33
34
35
36
37
38
39
40
1
2
3
4
5
6
7
O = output
TTL = TTL input
PLCC
Pin#
14
15
36
37
38
39
41
42
43
44
2
3
4
5
6
7
8
MQFP
TQFP
Pin#
30
31
18
19
20
21
22
23
24
10
11
14
15
16
17
8
9
I/O/P
Type
I/P
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O
I/O = input/output
ST = Schmitt Trigger input
O
I
ST/CMOS
TTL/ST
TTL/ST
TTL/ST
Buffer
Type
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
TTL
ST
ST
—
(1)
(2)
(2)
(4)
Oscillator crystal input/external clock source input.
Oscillator crystal output. Connects to crystal or resonator in
crystal oscillator mode. In RC mode, OSC2 pin outputs
CLKOUT which has 1/4 the frequency of OSC1, and
denotes the instruction cycle rate.
Master clear (RESET) input or programming voltage input.
This pin is an active low RESET to the device.
PORTA is a bi-directional I/O port.
PORTB is a bi-directional I/O port. PORTB can be software
programmed for internal weak pull-up on all inputs.
RA0 can also be analog input 0
RA1 can also be analog input 1
RA2 can also be analog input 2
RA3 can also be analog input 3 or analog reference
voltage
RA4 can also be the clock input to the Timer0 timer/
counter. Output is open drain type.
RA5 can also be analog input 4
the synchronous serial port.
RB0 can also be the external interrupt pin.
Interrupt-on-change pin.
Interrupt-on-change pin.
Interrupt-on-change pin. Serial programming clock.
Interrupt-on-change pin. Serial programming data.
P = power
(5)
.
Description
2000 Microchip Technology Inc.
(5)
(5)
(5)
(5)
or the slave select for
.
.
.
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