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PDF UPD4483362 Data sheet ( Hoja de datos )
| Número de pieza | UPD4483362 | |
| Descripción | 8M-BIT CMOS SYNCHRONOUS FAST STATIC RAM 256K-WORD BY 36-BIT HSTL INTERFACE | |
| Fabricantes | NEC | |
| Logotipo |  |
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PRELIMINARY DATA SHEET
MOS INTEGRATED CIRCUIT
µPD4483362
8M-BIT CMOS SYNCHRONOUS FAST STATIC RAM
256K-WORD BY 36-BIT
HSTL INTERFACE / REGISTER-REGISTER / LATE WRITE
Description
The µPD4483362 is a 262,144 words by 36 bits synchronous static RAM fabricated with advanced CMOS
technology using Full-CMOS six-transistor memory cell.
The µPD4483362 is suitable for applications which require synchronous operation, high-speed, low voltage, high-
density memory and wide bit configuration, such as cache and buffer memory.
The µPD4483362 is packaged in 100-pin PLASTIC LQFP with a 1.4 mm package thickness for high density and
low capacitive loading.
Features
• Fully synchronous operation
• HSTL Input / Output levels
• Fast clock access time : 3.8 ns (133 MHz)
• Asynchronous output enable control : /G
• Byte write control : /SBa (DQa1-9), /SBb (DQb1-9), /SBc (DQc1-9), /SBd (DQd1-9)
• Common I/O using three-state outputs
• Internally self-timed write cycle
• Late write with 1 dead cycle between Read-Write
• 3.3 V (Chip) / 1.5 V (I/O) supply
• 100-pin PLASTIC LQFP package, 14 mm x 20 mm
• Sleep Mode : ZZ (Enables sleep mode, active high)
Ordering Information
Part number
µPD4483362GF-A75
Access time
3.8 ns
Clock frequency
133 MHz
Package
100-pin PLASTIC LQFP (14 x 20)
The information in this document is subject to change without notice. Before using this document, please
confirm that this is the latest version.
Not all devices/types available in every country. Please check with local NEC representative for
availability and additional information.
Document No. M14440EJ1V0DS00 (1st edition)
Date Published April 2001 NS CP(K)
Printed in Japan
©
2001
1 page  
µPD4483362
Synchronous Truth Table
ZZ /SS /SW /SBa /SBb /SBc
LH× × × ×
L LH× × ×
LLLLLL
L L L LHH
L L LHL L
L L LHHH
H× × × × ×
Remark × : Don’t care
/SBd
×
×
L
H
L
H
×
Mode
DQa1–9 DQb1–9 DQc1–9 DQd1–9 Power
Not selected Hi-Z Hi-Z Hi-Z Hi-Z Active
Read
Dout Dout Dout Dout Active
Write
Din Din Din Din Active
Write
Din Hi-Z Hi-Z Hi-Z Active
Write
Hi-Z Din Din Din Active
Abort Write Hi-Z Hi-Z Hi-Z Hi-Z Active
Sleep Mode Hi-Z Hi-Z Hi-Z Hi-Z Standby
Output Enable Truth Table
Mode
Read
Read
Sleep (ZZ=H)
Write (/SW=L)
Deselect (/SS=H)
Remark × : Don’t care
/G
L
H
×
×
×
DQ
Dout
Hi-Z
Hi-Z
Hi-Z, Din
Hi-Z
Preliminary Data Sheet M14440EJ1V0DS
5
5 Page 
µPD4483362
Preliminary Data Sheet M14440EJ1V0DS
11
11 Page | ||
| Páginas | Total 16 Páginas | |
| PDF Descargar | [ Datasheet UPD4483362.PDF ] | |
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