Factory Lead Time  

7 Weeks

Mount  

Surface Mount

Mounting Type  

Surface Mount

Package / Case  

44-TQFP

Number of Pins  

44

Number of I/Os  

32

Watchdog Timers  

Yes

Operating Temperature  

-40°C~85°C TA

Packaging  

Tray

Series  

89S

Published  

1997

JESD-609 Code  

e3

Pbfree Code  

yes

Part Status  

Active

Moisture Sensitivity Level (MSL)  

3 (168 Hours)

Number of Terminations  

44

Terminal Finish  

Matte Tin (Sn)

Voltage - Supply  

4V

Terminal Position  

QUAD

Terminal Form  

GULL WING

Peak Reflow Temperature (Cel)  

260

Frequency  

24MHz

Time@Peak Reflow Temperature-Max (s)  

40

Base Part Number  

AT89S8253

Interface  

SPI, UART

Memory Size  

12kB

Oscillator Type  

External

RAM Size  

256 x 8

uPs/uCs/Peripheral ICs Type  

MICROCONTROLLER

Number of Bits  

8

Core Processor  

8051

Peripherals  

POR, WDT

Program Memory Type  

FLASH

Core Size  

8-Bit

Program Memory Size  

12KB 12K x 8

Connectivity  

SPI, UART/USART

Bit Size  

8

Access Time  

24 μs

Has ADC  

NO

DMA Channels  

NO

Data Bus Width  

8b

PWM Channels  

NO

DAC Channels  

NO

Number of Timers/Counters  

3

Address Bus Width  

8b

Density  

96 kb

EEPROM Size  

2K x 8

Voltage - Supply (Max)  

5.5V

Voltage - Supply (Min)  

2.7V

Number of SPI Channels  

1

Height  

1.2mm

Length  

10.1mm

Width  

10.1mm

REACH SVHC  

No SVHC

Radiation Hardening  

No

RoHS Status  

ROHS3 Compliant

Lead Free  

Lead Free