AT90S1200-4YC Atmel, AT90S1200-4YC Datasheet - Page 50

• Manufacturer Part Number: AT90S1200-4YC
• Description: IC MCU 1K FLSH 4MHZ LV 20SSOP
• Manufacturer: Atmel
• Series: AVR® 90Sr

Specifications of AT90S1200-4YC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI
• Peripherals: POR, WDT
• Number Of I /o: 15
• Program Memory Size: 1KB (512 x 16)
• Program Memory Type: FLASH
• Eeprom Size: 64 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 20-SSOP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Ram Size: -
• Data Converters: -

External Clock Drive
Waveforms
External Clock Drive
50
AT90S1200
Figure 37. External Clock Drive
Table 23. External Clock Drive
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
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 4.0V
Max
4.0
1.6
1.6
V
83.3
33.3
33.3
CC
Min
0
= 4.0V to 6.0V
Max
12.0
0.5
0.5
0838H–AVR–03/02
Units
MHz
ns
ns
ns
µs
µs