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EDI2AG272129V Schematic ( PDF Datasheet ) - White Electronic

Teilenummer EDI2AG272129V
Beschreibung 2 Megabyte Sync/Sync Burst
Hersteller White Electronic
Logo White Electronic Logo 




Gesamt 11 Seiten
EDI2AG272129V Datasheet, Funktion
www.DataSheet4U.com
White Electronic Designs
EDI2AG272129V
ADVANCED*
2 Megabyte Sync/Sync Burst, Small Outline DIMM
FEATURES
2x128Kx72 Synchronous, Synchronous Burst
Flow-Through Architecture
Sequential Burst MODE
Clock Controlled Registered Bank Enables (E1#, E2#)
Clock Controlled Byte Write Mode Enable (BWE#)
Clock Controlled Byte Write Enables
(BW1# - BW8#)
Clock Controlled Registered Address
Clock Controlled Registered Global Write (GW#)
Aysnchronous Output Enable (G#)
Internally self-timed Write
Gold Lead Finish
3.3V ± 10% Operation
Access Speed(s): TKHQV=8.5, 9, 10, 12ns
Common Data I/O
High Capacitance (30pf) drive, at rated Access Speed
Single total array Clock
Multiple Vcc and Gnd
DESCRIPTION
The EDI2AG272129VxxD1 is a Synchronous/
Synchronous Burst SRAM, 72 position SO DIMM (144
contacts) Module, organized as 2x128Kx72. The Module
contains four (4) Synchronous Burst Ram Devices,
packaged in the industry standard JEDEC 14mmx20mm
TQFP placed on a Multilayer FR4 Substrate. The
module architecture is defined as a Sync/Sycn Burst,
Flow-Through, with support for sequential burst. This
module provides High Performance, 2-1-1-1 accesses
when used in Burst Mode, and used as a Synchronous
Only Mode, provides a high performance cost advantage
over BiCMOS aysnchronous device architectures.
Synchronous Only operations are performed via
strapping ADSC# Low, and ADSP# / ADV# High, which
provides for Ultra Fast Accesses in Read Mode while
providing for internally self-timed Early Writes.
Synchronous/Synchronous Burst operations are in
relation to an externally supplied clock, Registered
Address, Registered Global Write, Registered Enables
as well as an Asynchronous Output enable. This Module
has been defined with full flexibility, which allows
individual control of each of the eight bytes, as well as
Quad Words in both Read and Write Operations.
*This product is under development, is not qualified or characterized and is subject to
change or cancellation without notice.
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 1999
Rev 1
1 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com






EDI2AG272129V Datasheet, Funktion
White Electronic Designs
EDI2AG272129V
ADVANCED
SYNCHRONOUS ONLY - TRUTH TABLE
Operation
Synchronous Write-Bank 1
Synchronous Read-Bank 1
Synchronous Write-Bank 2
Synchronous Read-Bank 2
E1# E2# GW# G# ZZ CK DQ
LHLHL
High-Z
LHHL L
HL LHL
High-Z
HLHL L
ABSOLUTE MAXIMUM RATINGS*
Voltage on VCC Relative to VSS
VIN
Storage Temperature
Operating Temperature (Commercial)
Operating Temperature (Industrial)
Short Circuit Output Current
-0.5V to +4.6V
-0.5V to VCC +0.5V
-55°C to +125°C
0°C to +70°C
-40°C to +85°C
10 mA
*Stress greater than those listed under “Absolute Maximum Ratings” may
cause permanent damage to the device. This is a stress rating only and
functional operation of the device at these or any other conditions greater
than those indicated in operational sections of this specifications is not
implied. Exposure to absolute maximum rating conditions for extended
periods may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
Parameter
Supply Voltage
Supply Voltage
Input High
Input Low
Input Leakage
Output Leakage
Sym Min
VCC 3.14
VSS 0.0
VIH 1.1
VIL -0.3
ILI -2
ILO -2
Typ Max Units
3.3 3.6 V
0.0 0.0 V
3.0 VCC+0.3 V
0.0 0.3 V
1 2 µA
1 2 µA
DC ELECTRICAL CHARACTERISTICS - READ CYCLE
Description
Power Supply Current
Power Supply Current Device
Selected, No Operation
CMOS Standby
Clock Running-Deselect
SYM Typ
8.5
Max
9 10
12
Icc1 1.6 2.2 2.1 2.1 2.0
Icc 750 1.5 1.5 1.0 1.0
Icc3 250 300 300 300 300
IccK 600 1000 1000 750 750
Units
A
A
mA
mA
AC TEST CONDITIONS
Input Pulse Levels
VSS to 3.0V
Input and Output Timing Ref.
1.25V
Output Test equivalencies
AC TEST LOAD
DQ Z0 = 50
Z0 = 50
50
Fig. 1
Output Load Equivalent
Vt = 1.25V
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 1999
Rev 1
6 White Electronic Designs Corporation • (602) 437-1520 • www.whiteedc.com

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