ATTINY261-20MUR Atmel, ATTINY261-20MUR Datasheet - Page 195

• Manufacturer Part Number: ATTINY261-20MUR
• Description: IC MCU AVR 2K FLASH 20MHZ 32QFN
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY261-20MUR

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 20MHz
• Connectivity: USI
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 16
• 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 11x10b
• Oscillator Type: Internal
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 32-VFQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 19-8. Parallel Programming Timing, Reading Sequence (within the Same Page) with Timing Requirements
Note:
2588E–AVR–08/10
PAGEL/BS1
XA1/BS2
XTAL1
DATA
XA0
The timing requirements shown in
OE
ADDR0 (Low Byte)
LOAD ADDRESS
(LOW BYTE)
Table 19-9.
Symbol
V
I
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
PP
DVXH
XLXH
XHXL
XLDX
XLWL
BVPH
PHPL
PLBX
WLBX
PLWL
BVWL
WLWH
WLRL
WLRH
WLRH_CE
XLOL
PP
t
XLOL
t
OLDV
Figure 19-6
Parameter
Programming Enable Voltage
Programming Enable Current
Data and Control Valid before XTAL1 High
XTAL1 Low to XTAL1 High
XTAL1 Pulse Width High
Data and Control Hold after XTAL1 Low
XTAL1 Low to WR Low
BS1 Valid before PAGEL High
PAGEL Pulse Width High
BS1 Hold after PAGEL Low
BS2/1 Hold after WR Low
PAGEL Low to WR Low
BS1 Valid to WR Low
WR Pulse Width Low
WR Low to RDY/BSY Low
WR Low to RDY/BSY High
WR Low to RDY/BSY High for Chip Erase
XTAL1 Low to OE Low
Parallel Programming Characteristics, V
(i.e., t
DATA (Low Byte)
READ DATA
(LOW BYTE)
DVXH
, t
XHXL
(1)
, and t
t
BVDV
XLDX
) also apply to reading operation.
(2)
(HIGH BYTE)
READ DATA
DATA (High Byte)
CC
= 5V ± 10%
11.5
Min
200
150
150
150
3.7
7.5
67
67
67
67
67
67
67
0
0
0
t
OHDZ
Typ
LOAD ADDRESS
(LOW BYTE)
ADDR1 (Low Byte)
Max
12.5
250
4.5
1
9
Units
µA
ms
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
µs
ns
V
195