ATTINY25-20SUR Atmel, ATTINY25-20SUR Datasheet - Page 176

• Manufacturer Part Number: ATTINY25-20SUR
• Description: MCU AVR 2KB FLASH 20MHZ 8SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY25-20SUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 6
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 128 x 8
• Ram Size: 128 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: *
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

21.9
176
High-voltage Serial Programming Characteristics
ATtiny25/45/85
Figure 21-6. High-voltage Serial Programming Timing
Table 21-12. High-voltage Serial Programming Characteristics T
t
WLWH_PFB
SDI (PB0), SII (PB1)
Symbol
t
t
t
t
t
SHOV
SHSL
SLSH
IVSH
SHIX
10% (Unless otherwise noted)
Parameter
SCI (PB3) Pulse Width High
SCI (PB3) Pulse Width Low
SDI (PB0), SII (PB1) Valid to SCI (PB3) High
SDI (PB0), SII (PB1) Hold after SCI (PB3) High
SCI (PB3) High to SDO (PB2) Valid
Wait after Instr. 3 for Write Fuse Bits
SDO (PB2)
SCI (PB3)
t
IVSH
t
SHSL
t
SHOV
t
A
SHIX
Min
125
125
= 25°C ± 10%, V
50
50
Typ
2.5
16
t
Max
SLSH
2586M–AVR–07/10
CC
= 5.0V ±
Units
ms
ns
ns
ns
ns
ns