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Aeroflex Circuit Technology - 64Mbit NOR Flash Memory

Numéro de référence UT8QNF8M8
Description 64Mbit NOR Flash Memory
Fabricant Aeroflex Circuit Technology 
Logo Aeroflex Circuit Technology 





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UT8QNF8M8 fiche technique
Standard Products
UT8QNF8M8 64Mbit NOR Flash Memory
Datasheet
September 9, 2013
www.aeroflex.com/Norflash
FEATURES
64Mbits organized as either 8M x 8-bits or 4M x16-bits
Fast 60ns read/write access time
Functionally compatible with traditional single power
supply Flash devices
Simultaneous read/write operations
Flexible bank architecture
Single 3.3V power supply
Ultra low power consumption
Near zero power standby operation
Full HiRel temperature range (-40oC to 105oC)
Data retention > 20 years @ +90oC
Programming Endurance: 10k cycles per sector
Operational environment:
- Total dose: 10 or 50 krad(Si)
- SEL Immune: 80 MeV-cm2/mg @ 105oC
- SEU Immune: Memory Cell 102 MeV-cm2/mg @25oC
48-pin ceramic flatpack package
Standard Microelectronic Drawing (SMD), 5962-12204
- QML Q and Q+
INTRODUCTION
The Aeroflex 64Mbit, 3.3 volt-only flash memory device, can
be organized as 4,194,304 words of 16-bits each or 8,388,608
bytes of 8-bits each. Word mode data appears on DQ[15:0];
byte mode data appears on DQ[7:0]. The device is designed to
be programmed in-system with the standard 3.3 volt VCC
supply and can also be programmed in standard PROM
programmers. The device is available with an access time of
60 ns and is offered in a 48-pin ceramic flatpack package.
Standard control pins—Chip Enable (CE#), Write Enable
(WE#), and Output Enable (OE#)—control normal read and
write operations, and avoid bus contention issues. The device
operates from a single 3.3 volt power supply.
APPLICATION
The UT8QNF8M8 64Mbit Flash Memory is compatible for use
with the UT699 LEON 3FT microprocessor. In a typical
application, the microprocessor transfers an image of the
application program or kernel from non-volatile memory, such
as flash, to volatile memory, such as SRAM. The Aeroflex
64Mbit NOR Flash is intended to provide customers with a non-
volatile solution that has a memory capacity large enough to
house a typical application program or kernel.
OE# BYTE#
A[21:0]
MUX
Bank 1 Address
Bank 2
Address
Bank 1
X-Decoder
DQ[15:0]
RY/BY#
Bank 2
DQ[15:0]
A[21:0]
X-Decoder
RESET#
WE#
CE#
WP# / ACC
State Control &
Command Register
DQ[15:0]
Status
Control
X-Decoder
Bank 3
Address
Bank 3
X-Decoder
DQ[15:0]
A[21:0]
Bank 4 Address
MUX
Bank 4
DQ[15:0]
Figure 1. UT8QNF8M8 Flash Block Diagram
MUX
DQ[15:0]
1

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