ATTINY45-15SZ Atmel, ATTINY45-15SZ Datasheet - Page 37

• Manufacturer Part Number: ATTINY45-15SZ
• Description: MCU AVR 4K FLASH 15MHZ 8-SOIC
• Manufacturer: Atmel
• Series: AVR® ATtinyr

Specifications of ATTINY45-15SZ

• Package / Case: 8-SOIC (3.9mm Width)
• Voltage - Supply (vcc/vdd): 2.7 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Speed: 16MHz
• Number Of I /o: 6
• Eeprom Size: 256 x 8
• Core Processor: AVR
• Program Memory Type: FLASH
• Ram Size: 256 x 8
• Program Memory Size: 4KB (4K x 8)
• Data Converters: A/D 4x10b
• Oscillator Type: Internal
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Connectivity: USI
• Core Size: 8-Bit
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

8.4
7598H–AVR–07/09
External Reset
Figure 8-2.
Figure 8-3.
Table 8-1.
Note:
An External Reset is generated by a low level on the RESET pin if enabled. Reset pulses longer
than the minimum pulse width (see
ning. Shorter pulses are not guaranteed to generate a reset. When the applied signal reaches
the Reset Threshold Voltage – V
after the Time-out period – t
INTERNAL
TIME-OUT
Symbol
V
V
V
V
V
POT
PORMAX
PORMIN
CCRR
RST
RESET
RESET
INTERNAL
V
TIME-OUT
V
CC
CC
RESET
RESET
1. Before rising the supply has to be between V
V
CCRR
MCU Start-up, RESET Tied to V
MCU Start-up, RESET Extended Externally
Power On Reset Specifications
Parameter
Power-on Reset Threshold Voltage (rising)
Power-on Reset Threshold Voltage (falling)
VCC Max. start voltage to ensure internal
Power-on Reset signal
VCC Min. start voltage to ensure internal
Power-on Reset signal
VCC Rise Rate to ensure Power-on Reset
RESET Pin Threshold Voltage
V
V
V
V
RST
PORMA X
PORMIN
POT
TOUT
t
TOUT
– has expired.
RST
Table
– on its positive edge, the delay counter starts the MCU
8-1) will generate a reset, even if the clock is not run-
V
RST
t
CC
TOUT
PORMIN
(1)
and V
0.1 V
0.01
Min
-0.1
1.1
0.8
PORMAX
CC
ATtiny25/45/85
to ensure Reset.
Typ
1.4
1.3
0.9V
Max
1.7
1.6
0.4
CC
Units
V/ms
V
V
V
V
V
37