Electronic Components Datasheet Search
Selected language     English  ▼


AT89S52-24PU Datasheet(PDF) 30 Page - ATMEL Corporation

Part No. AT89S52-24PU
Description  8-bit Microcontroller with 8K Bytes In-System Programmable Flash
Download  38 Pages
Scroll/Zoom Zoom In 100% Zoom Out
Maker  ATMEL [ATMEL Corporation]
Homepage  http://www.atmel.com
Logo 

 30 page
background image
30
1919D–MICRO–6/08
AT89S52
28. AC Characteristics
Under operating conditions, load capacitance for Port 0, ALE/PROG, and PSEN = 100 pF; load capacitance for all other
outputs = 80 pF.
28.1
External Program and Data Memory Characteristics
Symbol
Parameter
12 MHz Oscillator
Variable Oscillator
Units
Min
Max
Min
Max
1/tCLCL
Oscillator Frequency
0
33
MHz
t
LHLL
ALE Pulse Width
127
2t
CLCL-40
ns
tAVLL
Address Valid to ALE Low
43
tCLCL-25
ns
tLLAX
Address Hold After ALE Low
48
tCLCL-25
ns
t
LLIV
ALE Low to Valid Instruction In
233
4t
CLCL-65
ns
tLLPL
ALE Low to PSEN Low
43
tCLCL-25
ns
tPLPH
PSEN Pulse Width
205
3tCLCL-45
ns
t
PLIV
PSEN Low to Valid Instruction In
145
3t
CLCL-60
ns
tPXIX
Input Instruction Hold After PSEN
00
ns
tPXIZ
Input Instruction Float After PSEN
59
tCLCL-25
ns
t
PXAV
PSEN to Address Valid
75
t
CLCL-8
ns
tAVIV
Address to Valid Instruction In
312
5tCLCL-80
ns
tPLAZ
PSEN Low to Address Float
10
10
ns
t
RLRH
RD Pulse Width
400
6t
CLCL-100
ns
tWLWH
WR Pulse Width
400
6tCLCL-100
ns
t
RLDV
RD Low to Valid Data In
252
5t
CLCL-90
ns
t
RHDX
Data Hold After RD
00
ns
tRHDZ
Data Float After RD
97
2tCLCL-28
ns
t
LLDV
ALE Low to Valid Data In
517
8t
CLCL-150
ns
t
AVDV
Address to Valid Data In
585
9t
CLCL-165
ns
tLLWL
ALE Low to RD or WR Low
200
300
3tCLCL-50
3tCLCL+50
ns
t
AVWL
Address to RD or WR Low
203
4t
CLCL-75
ns
t
QVWX
Data Valid to WR Transition
23
t
CLCL-30
ns
tQVWH
Data Valid to WR High
433
7tCLCL-130
ns
t
WHQX
Data Hold After WR
33
t
CLCL-25
ns
t
RLAZ
RD Low to Address Float
0
0
ns
tWHLH
RD or WR High to ALE High
43
123
tCLCL-25
tCLCL+25
ns




Html Pages

1  2  3  4  5  6  7  8  9  10  11  12  13  14  15  16  17  18  19  20  21  22  23  24  25  26  27  28  29  30  31  32  33  34  35  36  37  38 


Datasheet Download



Related Electronics Part Number

Part NumberComponents DescriptionHtml ViewManufacturer
ATMEGA3290P8-bit Microcontroller with 32K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATTINY25_068-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
AT90S2313_028-bit Microcontroller with 2K Bytes of In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATMEGA325P_068-bit Microcontroller with 32K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATTINY22L_18-bit Microcontroller with 2K Bytes of In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATMEGA16HVB8-bit Microcontroller with 16K/32K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATMEGA16_068-bit Microcontroller with 16K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATTINY261_068-bit Microcontroller with 2/4/8K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
AT90S8515_018-bit Microcontroller with 8K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation
ATMEGA162V_078-bit Microcontroller with 16K Bytes In-System Programmable Flash 1 2 3 4 5 MoreATMEL Corporation

Link URL

Does ALLDATASHEET help your business so far?  [ DONATE ]  

About Alldatasheet   |   Advertisement   |   Contact us   |   Privacy Policy   |   Bookmark   |   Link Exchange   |   Manufacturer List
All Rights Reserved© Alldatasheet.com 2003 - 2017    


Mirror Sites
English : Alldatasheet.com  , Alldatasheet.net  |   Chinese : Alldatasheetcn.com  |   German : Alldatasheetde.com  |   Japanese : Alldatasheet.jp  |   Russian : Alldatasheetru.com
Korean : Alldatasheet.co.kr   |   Spanish : Alldatasheet.es  |   French : Alldatasheet.fr  |   Italian : Alldatasheetit.com  |   Portuguese : Alldatasheetpt.com  |   Polish : Alldatasheet.pl