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Honeywell - 128K x 8 STATIC RAM-SOI HX6228

Numéro de référence HX6228
Description 128K x 8 STATIC RAM-SOI HX6228
Fabricant Honeywell 
Logo Honeywell 





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HX6228 fiche technique
Military & Space Products
128K x 8 STATIC RAM—SOI
HX6228
FEATURES
RADIATION
OTHER
• Fabricated with RICMOS™ IV Silicon on Insulator (SOI)
0.7 µm Process
(L
eff
=
0.55
µm)
• Total Dose Hardness through 1x106 rad(SiO2)
www.DataSheet4NUe.cuotmron Hardness through 1x1014 cm-2
• Dynamic and Static Transient Upset Hardness
through 1x1011 rad (Si)/s
• Read/Write Cycle Times
16 ns (Typical)
25 ns (-55 to 125°C)
• Typical Operating Power <25 mW/MHz
• Asynchronous Operation
• CMOS or TTL Compatible I/O
• Dose Rate Survivability through <1x1012 rad(Si)/s
• Single 5 V ± 10% Power Supply
• Soft Error Rate of <1x10-10 upsets/bit-day in
Geosynchronous Orbit
• No Latchup
• Packaging Options
- 32-Lead Flat Pack (0.820 in. x 0.600 in.)
- 40-Lead Flat Pack (0.775 in. x 0.710 in.)
GENERAL DESCRIPTION
The 128K x 8 Radiation Hardened Static RAM is a high
performance 131,072 word x 8-bit static random access
memory with industry-standard functionality. It is fabricated
with Honeywell’s radiation hardened technology, and is
designed for use in systems operating in radiation environ-
ments. The RAM operates over the full military temperature
range and requires only a single 5 V ± 10% power supply. The
RAM is wire bond programmable for either TTL or CMOS
compatible I/O. Power consumption is typically less than 25
mW/MHz in operation, and less than 5 mW in the low power
disabled mode. The RAM read operation is fully asynchro-
nous, with an associated typical access time of 15 ns at 5V.
Honeywell’s enhancedSOI RICMOS™IV (Radiation Insen-
sitive CMOS) technology is radiation hardened through the
use of advanced and proprietary design, layout and process
hardening techniques. The RICMOS™ IV process is an
advanced 5-volt, SIMOX CMOS technology with a 150 Å
gate oxide and a minimum feature size of 0.7 µm (0.55 µm
effective gate length—Leff). Additional features include
Honeywell’s proprietary SHARP planarization process, and
a lightly doped drain (LDD) structure for improved short
channel reliability. A 7 transistor (7T) memory cell is used for
superior single event upset hardening, while three layer
metal power bussing and the low collection volume SIMOX
substrate provide improved dose rate hardening.

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