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V29C51400B Datasheet

  • V29C51400B

  • 4 MEGABIT 262,144 x 16 BIT/524,288 x 8 BIT 5 VOLT CMOS FLASH...

  • 16頁

  • MOSEL

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MOSEL VITELIC
V29C51400T/V29C51400B
4 MEGABIT
(262,144 x 16 BIT/524,288 x 8 BIT)
5 VOLT CMOS FLASH MEMORY
Description
PRELIMINARY
Features
s
s
s
s
s
s
256K x 16-bit or 512K x 8-bit Organization
Address Access Time: 70, 90, 120 ns
Single 5V
鹵
10% Power Supply
Sector Erase Mode Operation
16KB Boot Block (lockable)
1K bytes per Sector, 512 Sectors
鈥?Sector-Erase Cycle Time: 10ms (Max)
鈥?Byte-Write Cycle Time: 20
碌
s (Max)
Minimum 10,000 Erase-Program Cycles
Low power dissipation
鈥?Active Read Current: 19mA (Typ)
鈥?Active Program Current: 30mA (Typ)
鈥?Standby Current: 100
碌
A (Max)
Hardware Data Protection
Low V
CC
Program Inhibit Below 3.5V
Self-timed write/erase operations with end-of-
cycle detection
鈥?DATA Polling
鈥?Toggle Bit
CMOS and TTL Interface
Available in two versions
鈥?V29C51400T (Top Boot Block)
鈥?V29C51400B (Bottom Boot Block)
Packages:
鈥?48-pin TSOP
s
s
s
s
s
s
s
s
The V29C51400T/V29C51400B is a high speed
262,144 x 16 bit or 524,288 x 8-bit CMOS flash
memory. Writing or erasing the device is done with
a single 5 Volt power supply. The device has
separate chip enable CE, write enable WE, and
output enable OE controls to eliminate bus
contention.
The V29C51400T/V29C51400B offers a combi-
nation of: Boot Block with Sector Erase/Write
Mode. The end of write/erase cycle is detected by
DATA Polling of I/O
7
or by the Toggle Bit I/O
6
.
The V29C51400T/V29C51400B features a
sector erase operation which allows each sector to
be erased and reprogrammed without affecting
data stored in other sectors. The device also
supports full chip erase.
Boot block architecture enables the device to
boot from a protected sector located either at the
top (V29C51400T) or the bottom (V29C51400B).
All inputs and outputs are CMOS and TTL
compatible.
The V29C51400T/V29C51400B is ideal for
applications that require updatable code and data
storage.
Device Usage Chart
Operating
Temperature
Range
0
擄
C to 70
擄
C
Package Outline
T
鈥?/div>
70
鈥?/div>
Access Time (ns)
90
鈥?/div>
120
鈥?/div>
Temperature
Mark
Blank
V29C51400T/V29C51400B Rev. 1.5 October 2000
1

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