IC MICRO CTRL 24MHZ 44PLCC

AT89C51-24JI

Manufacturer Part NumberAT89C51-24JI
DescriptionIC MICRO CTRL 24MHZ 44PLCC
ManufacturerAtmel
Series89C
AT89C51-24JI datasheet
 

Specifications of AT89C51-24JI

Core Processor8051Core Size8-Bit
Speed24MHzConnectivityUART/USART
Number Of I /o32Program Memory Size4KB (4K x 8)
Program Memory TypeFLASHRam Size128 x 8
Voltage - Supply (vcc/vdd)4 V ~ 6 VOscillator TypeInternal
Operating Temperature-40°C ~ 85°CPackage / Case44-PLCC
Lead Free Status / RoHS StatusContains lead / RoHS non-compliantEeprom Size-
Data Converters-Peripherals-
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External Data Memory Write Cycle
t
LHLL
ALE
PSEN
WR
t
AVLL
PORT 0
A0 - A7 FROM RI OR DPL
PORT 2
P2.0 - P2.7 OR A8 - A15 FROM DPH
External Clock Drive Waveforms
t
CHCX
V
- 0.5V
CC
0.7 V
CC
0.2 V
- 0.1V
CC
0.45V
External Clock Drive
Symbol
Parameter
1/t
Oscillator Frequency
CLCL
t
Clock Period
CLCL
t
High Time
CHCX
t
Low Time
CLCX
t
Rise Time
CLCH
t
Fall Time
CHCL
t
t
LLWL
WLWH
t
LLAX
t
QVWX
t
QVWH
DATA OUT
t
AVWL
t
CLCH
t
CLCX
Min
0
41.6
15
15
t
WHLH
t
WHQX
A0 - A7 FROM PCL
INSTR IN
A8 - A15 FROM PCH
t
CHCX
t
CLCL
Max
24
20
20
t
CHCL
Units
MHz
ns
ns
ns
ns
ns
13