AT89C51-24JI Atmel, AT89C51-24JI Datasheet - Page 13

IC MICRO CTRL 24MHZ 44PLCC

AT89C51-24JI

Manufacturer Part Number
AT89C51-24JI
Description
IC MICRO CTRL 24MHZ 44PLCC
Manufacturer
Atmel
Series
89Cr
Datasheet

Specifications of AT89C51-24JI

Core Processor
8051
Core Size
8-Bit
Speed
24MHz
Connectivity
UART/USART
Number Of I /o
32
Program Memory Size
4KB (4K x 8)
Program Memory Type
FLASH
Ram Size
128 x 8
Voltage - Supply (vcc/vdd)
4 V ~ 6 V
Oscillator Type
Internal
Operating Temperature
-40°C ~ 85°C
Package / Case
44-PLCC
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Eeprom Size
-
Data Converters
-
Peripherals
-
External Data Memory Write Cycle
External Clock Drive Waveforms
External Clock Drive
Symbol
1/t
t
t
t
t
t
CLCL
CHCX
CLCX
CLCH
CHCL
CLCL
0.45V
PORT 0
PORT 2
V
PSEN
CC
ALE
WR
- 0.5V
Parameter
Oscillator Frequency
Clock Period
High Time
Low Time
Rise Time
Fall Time
0.2 V
A0 - A7 FROM RI OR DPL
0.7 V
CC
t
LHLL
t
AVLL
- 0.1V
CC
t
CHCX
P2.0 - P2.7 OR A8 - A15 FROM DPH
t
AVWL
t
LLAX
t
t
QVWX
LLWL
DATA OUT
t
t
t
QVWH
CLCX
WLWH
t
CLCH
41.6
Min
15
15
0
t
t
WHQX
CLCL
t
A0 - A7 FROM PCL
WHLH
A8 - A15 FROM PCH
t
CHCX
Max
24
20
20
INSTR IN
t
CHCL
Units
MHz
ns
ns
ns
ns
ns
13

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