AT89S8252-24AC Atmel, AT89S8252-24AC Datasheet - Page 34

• Manufacturer Part Number: AT89S8252-24AC
• Description: MCU W/SPI 8KB FLSH 2K EEP 44TQFP
• Manufacturer: Atmel
• Series: 89Sr

Specifications of AT89S8252-24AC

• Core Processor: 8051
• Core Size: 8-Bit
• Speed: 24MHz
• Connectivity: SPI, UART/USART
• Peripherals: POR, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (8K x 8)
• Program Memory Type: FLASH
• Eeprom Size: 2K x 8
• Ram Size: 256 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -
• Other names: AT89S825224AC

External Data Memory Write Cycle
External Clock Drive Waveforms
External Clock Drive
34
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
AT89S8252
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
41.6
Min
15
15
0
V
CC
= 4.0V to 6.0V
Max
24
20
20
0401G–MICRO–3/06
Units
MHz
ns
ns
ns
ns
ns