ATTINY28L-4AU Atmel, ATTINY28L-4AU Datasheet - Page 53

• Manufacturer Part Number: ATTINY28L-4AU
• Description: IC MCU AVR 2K FLASH 4MHZ 32-TQFP
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY28L-4AU

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Peripherals: POR, WDT
• Number Of I /o: 11
• Program Memory Size: 2KB (1K x 16)
• Program Memory Type: FLASH
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-TQFP, 32-VQFP
• Processor Series: ATTINY2x
• Core: AVR8
• Data Bus Width: 8 bit
• Data Ram Size: 32 B
• Maximum Clock Frequency: 4 MHz
• Number Of Programmable I/os: 11
• Number Of Timers: 1
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• 3rd Party Development Tools: EWAVR, EWAVR-BL
• Development Tools By Supplier: ATAVRDRAGON, ATSTK500, ATSTK600, ATAVRISP2, ATAVRONEKIT
• Minimum Operating Temperature: - 40 C
• On-chip Adc: 8 bit
• Package: 32TQFP
• Device Core: AVR
• Family Name: ATtiny
• Maximum Speed: 4 MHz
• Ram Size: 32 Byte
• Operating Supply Voltage: 3.3|5 V
• For Use With: ATSTK600-DIP40 - STK600 SOCKET/ADAPTER 40-PDIPATSTK500 - PROGRAMMER AVR STARTER KIT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Eeprom Size: -
• Ram Size: -
• Data Converters: -
• Connectivity: -
• Lead Free Status / Rohs Status: Details

Parallel Programming
Characteristics
1062F–AVR–07/06
Figure 40. Parallel Programming Timing
T
A
(DATA, XA0/1, BS)
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XHXL
XLDX
XLWL
BVWL
RHBX
WLWH
WLRL
WLRH
XLOL
OLDV
OHDZ
PP
= 25°C ± 10%, V
Data & Contol
RDY/BSY
XTAL1
DATA
Programming Enable Voltage
Programming Enable Current
Data & Control Valid before XTAL1 High
XTAL1 Pulse Width High
Data & Control Hold after XTAL1 Low
XTAL1 Low to WR Low
BS Valid to WR Low
BS Hold after RDY/BSY High
WR Pulse Width Low
WR Low to RDY/BSY Low
WR Low to RDY/BSY High
XTAL1 Low to OE Low
OE Low to DATA Valid
OE High to DATA Tri-stated
Parameter
WR
OE
CC
t
= 5V ± 10%
DVXH
t
XHXL
t
t
t
XLOL
XLDX
XLWL
t
BVWL
t
WLWH
t
WLRL
t
OLDV
11.5
67.0
67.0
67.0
67.0
67.0
67.0
67.0
67.0
Min
0.0
0.5
ATtiny28L/V
20.0
Typ
0.7
t
t
WLRH
OHDZ
t
RHBX
250.0
Max
12.5
20.0
2.5
0.9
Unit
µA
ms
ns
ns
ns
ns
ns
ns
ns
µs
ns
ns
ns
V
53