ATTINY45-20XU Atmel, ATTINY45-20XU Datasheet - Page 176

• Manufacturer Part Number: ATTINY45-20XU
• Description: IC MCU AVR 4K FLASH 20MHZ 8TSSOP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY45-20XU

• 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: 4KB (2K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 256 x 8
• Ram Size: 256 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: 8-TSSOP
• Processor Series: ATTINY4x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 256 B
• Maximum Operating Temperature: + 85 C
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATAVRBC100 - REF DESIGN KIT BATTERY CHARGER770-1007 - ISP 4PORT ATMEL AVR MCU SPI/JTAGATAVRDRAGON - KIT DRAGON 32KB FLASH MEM AVRATAVRISP2 - PROGRAMMER AVR IN SYSTEMATJTAGICE2 - AVR ON-CHIP D-BUG SYSTEM
• 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