AT90S8515-4JC Atmel, AT90S8515-4JC Datasheet - Page 93

• Manufacturer Part Number: AT90S8515-4JC
• Description: IC MCU 8K FLSH 4MHZ LV 44PLCC
• Manufacturer: Atmel
• Series: AVR® 90Sr

Specifications of AT90S8515-4JC

• Core Processor: AVR
• Core Size: 8-Bit
• Speed: 4MHz
• Connectivity: SPI, UART/USART
• Peripherals: Brown-out Detect/Reset, POR, PWM, WDT
• Number Of I /o: 32
• Program Memory Size: 8KB (4K x 16)
• Program Memory Type: FLASH
• Eeprom Size: 512 x 8
• Ram Size: 512 x 8
• Voltage - Supply (vcc/vdd): 2.7 V ~ 6 V
• Oscillator Type: Internal
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 44-PLCC
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Data Converters: -

External Data Memory Timing
Table 37. External Data Memory Characteristics, 4.0V - 6.0V, No Wait State
Table 38. External Data Memory Characteristics, 4.0V - 6.0V, One Cycle Wait State
Notes:
0841G–09/01
0
1
2
3a
3b
4
5
6
7
8
9
10
11
12
13
14
15
16
0
10
12
15
16
Symbol
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
1/t
t
t
t
t
LHLL
AVLL
LLAX_ST
LLAX_LD
AVLLC
AVRL
AVWL
LLWL
LLRL
DVRH
RLDV
RHDX
RLRH
DVWL
WHDX
DVWH
WLWH
RLDV
RLRH
DVWH
WLWH
1. This assumes 50% clock duty cycle. The half-period is actually the high time of the external clock, XTAL1.
2. This assumes 50% clock duty cycle. The half-period is actually the low time of the external clock, XTAL1.
CLCL
CLCL
Parameter
Oscillator Frequency
ALE Pulse Width
Address Valid A to ALE Low
Address Hold after ALE Low,
ST/STD/STS Instructions
Address Hold after ALE Low,
LD/LDD/LDS Instructions
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
RD Pulse Width
Data Setup to WR Low
Data Hold after WR High
Data Valid to WR High
WR Pulse Width
Parameter
Oscillator Frequency
Read Low to Data Valid
RD Pulse Width
Data Valid to WR High
WR Pulse Width
157.5
105.0
105.0
230.0
220.0
167.5
67.5
15.0
95.0
32.5
22.5
22.5
42.5
60.0
27.5
95.0
42.5
Min
Min
0.0
0.0
8 MHz Oscillator
8 MHz Oscillator
145.0
195.0
Max
82.5
70.0
Max
0.5 t
0.5 t
0.5 t
1.5 t
0.5 t
0.5 t
0.5 t
1.5 t
0.5 t
1.0 t
1.0 t
1.0 t
1.0 t
2.0 t
2.0 t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
15.0
60.0
Min
Min
0.0
0.0
0.0
0.0
- 30.0
- 40.0
- 40.0
- 30.0
- 20.0
- 35.0
- 20.0
- 20.0
Variable Oscillator
Variable Oscillator
+ 5.0
- 30.0
- 20.0
- 20.0
- 30.0
- 20.0
- 30.0
(2)
(1)
(1)
(1)
(1)
(2)
(2)
(1)
(2)
0.5 t
1.0 t
1.0 t
2.0 t
AT90S8515
CLCL
CLCL
CLCL
CLCL
Max
Max
8.0
8.0
+ 20.0
+ 20.0
- 55.0
- 55.0
(2)
MHz
MHz
Unit
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
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