AT90S8535-8AI Atmel, AT90S8535-8AI Datasheet - Page 106

• Manufacturer Part Number: AT90S8535-8AI
• Description: IC MCU 8K 8MHZ A/D IT 44TQFP
• Manufacturer: Atmel
• Series: AVR® 90Sr

Specifications of AT90S8535-8AI

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 8MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 4 V ~ 6 V
• Data Converters: A/D 8x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 44-TQFP, 44-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

External Clock Drive
Waveforms
106
AT90S/LS8535
Figure 74. External Clock
Table 46. External Clock Drive
Symbol
1/t
t
t
t
t
t
CHCX
CLCL
CLCX
CLCH
CHCL
CLCL
VIL1
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
VIH1
V
250.0
100.0
100.0
CC
Min
0
= 2.7V to 6.0V
Max
1.6
1.6
4
V
125.0
CC
50.0
50.0
Min
0
= 4.0V to 6.0V
Max
8.0
0.5
0.5
1041H–11/01
Units
MHz
ns
ns
ns
µs
µs