ATMEGA161L-4PC Atmel, ATMEGA161L-4PC Datasheet - Page 134
ATMEGA161L-4PC
Manufacturer Part Number
ATMEGA161L-4PC
Description
IC AVR MCU 16K LV 4MHZ COM 40DIP
Manufacturer
Atmel
Series
AVR® ATmegar
Datasheet
1.ATMEGA161-8AC.pdf
(159 pages)
Specifications of ATMEGA161L-4PC
Core Processor
AVR
Core Size
8-Bit
Speed
4MHz
Connectivity
SPI, UART/USART
Peripherals
POR, PWM, WDT
Number Of I /o
35
Program Memory Size
16KB (8K x 16)
Program Memory Type
FLASH
Eeprom Size
512 x 8
Ram Size
1K x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
External
Operating Temperature
0°C ~ 70°C
Package / Case
40-DIP (0.600", 15.24mm)
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Data Converters
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Table 53. External Data Memory Characteristics, 4.0 - 5.5 Volts, SRWn1 = 1, SRWn0 = 0
Table 54. External Data Memory Characteristics, 4.0 - 5.5 Volts, SRWn1 = 1, SRWn0 = 1
Table 55. External Data Memory Characteristics, 2.7 - 5.5 Volts, No Wait State
134
0
10
12
15
16
0
10
12
14
15
16
0
1
2
3a
3b
4
5
6
7
8
9
10
11
Symbol
1/t
t
t
t
t
Symbol
1/t
t
t
t
t
t
Symbol
1/t
t
t
t
t
t
t
t
t
t
t
t
t
RLDV
RLRH
DVWH
WLWH
RLDV
RLRH
WHDX
DVWH
WLWH
LHLL
AVLL
LLAX_ST
LLAX_LD
AVLLC
AVRL
AVWL
LLWL
LLRL
DVRH
RLDV
RHDX
CLCL
CLCL
CLCL
ATmega161(L)
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Hold After WR High
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
ALE Pulse Width
Address Valid A to ALE Low
Address Hold After ALE Low,
write access
Address Hold after ALE Low,
read access
Address Valid C to ALE Low
Address Valid to RD Low
Address Valid to WR Low
ALE Low to WR Low
ALE Low to RD Low
Data Setup to RD High
Read Low to Data Valid
Data Hold After RD High
152.5
Min
355
345
Min
355
345
355
Min
195
200
200
105
105
35
60
60
95
10
15
0
8 MHz Oscillator
8 MHz Oscillator
4 MHz Oscillator
Max
Max
Max
310
310
145
145
165
3.0t
3.0t
3.0t
3.0t
1.5t
3.0t
3.0t
0.5t
0.5t
1.0t
1.0t
0.5t
0.5t
t
CLCL
Min
Min
Min
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
0.0
0.0
0.0
10
15
95
0
Variable Oscillator
Variable Oscillator
Variable Oscillator
-55
-20
-30
-20
-20
-35
-30
-20
-65
-65
-50
-50
-20
-20
0.5t
0.5t
3.0t
3.0t
Max
Max
Max
CLCL
CLCL
165
CLCL
CLCL
8.0
8.0
4.0
+20
+20
-65
-65
1228D–AVR–02/07
Unit
MHz
ns
ns
ns
ns
Unit
MHz
ns
ns
ns
ns
ns
Unit
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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