AT89S8253-24JU Atmel, AT89S8253-24JU Datasheet - Page 48
![IC MCU 12K FLASH 24MHZ 44-PLCC](/photos/6/70/67043/453-44-plcc_sml.jpg)
AT89S8253-24JU
Manufacturer Part Number
AT89S8253-24JU
Description
IC MCU 12K FLASH 24MHZ 44-PLCC
Manufacturer
Atmel
Series
89Sr
Datasheet
1.AT89S8253-24PU.pdf
(60 pages)
Specifications of AT89S8253-24JU
Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
SPI, UART/USART
Peripherals
POR, WDT
Number Of I /o
32
Program Memory Size
12KB (12K x 8)
Program Memory Type
FLASH
Eeprom Size
2K x 8
Ram Size
256 x 8
Voltage - Supply (vcc/vdd)
2.7 V ~ 5.5 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Processor Series
AT89x
Core
8051
Data Bus Width
8 bit
Data Ram Size
256 B
Interface Type
SPI/UART
Maximum Clock Frequency
24 MHz
Number Of Programmable I/os
32
Number Of Timers
3
Operating Supply Voltage
2.7 V to 5.5 V
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
3rd Party Development Tools
PK51, CA51, A51, ULINK2
Development Tools By Supplier
AT89ISP
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Data Converters
-
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
AT89S8253-24JU
Manufacturer:
LITTLEFUSE
Quantity:
4 500
Company:
Part Number:
AT89S8253-24JU
Manufacturer:
ATMEL
Quantity:
6
Company:
Part Number:
AT89S8253-24JU
Manufacturer:
ATMEL
Quantity:
5 530
Company:
Part Number:
AT89S8253-24JU
Manufacturer:
ATM
Quantity:
3 290
Company:
Part Number:
AT89S8253-24JU
Manufacturer:
ATMEL
Quantity:
44 616
Part Number:
AT89S8253-24JU
Manufacturer:
ATMEL/爱特梅尔
Quantity:
20 000
31. AC Characteristics
The values shown in this table are valid for T
Under operating conditions, load capacitance for Port 0, ALE/PROG, and PSEN = 100 pF; load capacitance for all other
outputs = 80 pF.
31.1
48
Symbol
1/t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
t
LHLL
AVLL
LLAX
LLIV
LLPL
PLPH
PLIV
PXIX
PXIZ
PXAV
AVIV
PLAZ
RLRH
WLWH
RLDV
RHDX
RHDZ
LLDV
AVDV
LLWL
AVWL
QVWX
QVWH
WHQX
RLAZ
WHLH
WHAX
CLCL
External Program and Data Memory Characteristics
AT89S8253
Parameter
Oscillator Frequency
ALE Pulse Width
Address Valid to ALE Low
Address Hold after ALE Low
ALE Low to Valid Instruction In
ALE Low to PSEN Low
PSEN Pulse Width
PSEN Low to Valid Instruction In
Input Instruction Hold after PSEN
Input Instruction Float after PSEN
PSEN to Address Valid
Address to Valid Instruction In
PSEN Low to Address Float
RD Pulse Width
WR Pulse Width
RD Low to Valid Data In
Data Hold after RD
Data Float after RD
ALE Low to Valid Data In
Address to Valid Data In
ALE Low to RD or WR Low
Address to RD or WR Low
Data Valid to WR Transition
Data Valid to WR High
Data Hold after WR
RD Low to Address Float
RD or WR High to ALE High
Address Hold after RD or WR High
A
= -40°C to 85°C and V
CC
= 2.7 to 5.5V, unless otherwise noted.
3t
2t
3t
4t
2t
8t
2t
t
t
t
t
t
CLCL
CLCL
CLCL
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
6t
6t
Min
-10
CLCL
CLCL
Variable Oscillator
0
0
- 12
- 16
- 12
- 10
- 10
- 12
- 12
- 4
- 24
- 12
- 24
- 24
- 24
4t
3t
5t
5t
2t
8t
9t
t
t
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
CLCL
3t
Max
24
20
CLCL
0
+ 20
- 20
- 50
- 50
- 50
- 50
- 20
- 50
- 50
3286P–MICRO–3/10
Units
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns