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PDF ASM2I2313ANZ Data sheet ( Hoja de datos )
| Número de pieza | ASM2I2313ANZ | |
| Descripción | 3.3V SDRAM Buffer | |
| Fabricantes | Alliance Semiconductor | |
| Logotipo |  |
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June 2005
rev 0.4
ASM2I2313ANZ
13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
Features
One input to 13 Output Buffer/Driver
Supports up to three SDRAM DIMMs
One additional outputs for feedback
Serial interface for output control
Low skew outputs
Up to 133MHz operation
Multiple VDD and VSS pins for noise reduction
Low EMI outputs
28 pin SOIC (300-mil) Package
3.3V operation
Functional Description
The ASM2I2313ANZ is a 3.3V buffer designed to distribute
high-speed clocks in desktop PC applications. The part has
13 outputs, 12 of which can be used to drive up to three
SDRAM DIMMs, and the remaining can be used for
external feedback to a PLL. The device operates at 3.3V
and outputs can run up to 133MHz, thus making it
compatible with Pentium®*II processors. The
ASM2I2313ANZ can be used in conjunction with the clock
synthesizer for a complete Pentium II motherboard
solution. The ASM2I2313ANZ also includes a serial
interface, which can enable or disable each output clock.
On power-up, all output clocks are enabled.
*Pentium is a registered trademark of Intel Corporation.
Block Diagram
BUF_IN
SDATA
SCLOCK
Serial Interface
Decoding
SDRAM0
SDRAM1
SDRAM2
SDRAM3
SDRAM4
SDRAM5
SDRAM6
SDRAM7
SDRAM8
SDRAM9
SDRAM10
SDRAM11
SDRAM12
Alliance Semiconductor
2575, Augustine Drive • Santa Clara, CA • Tel: 408.855.4900 • Fax: 408.855.4999 • www.alsc.com
Notice: The information in this document is subject to change without notice.
1 page  
June 2005
rev 0.4
Electrical Characteristics
Parameter
VIL
VILIIC
VIH
VOL
VOH
ICC
Description
Input LOW Voltage
Input LOW Voltage
Input HIGH Voltage
Output LOW Voltage1
Output HIGH Voltage1
Quiescent Supply Current
IOZ
High Impedance Output
Current
IOFF
Off-State Current
(for SCL ,SDATA)
∆ICC Change in Supply Current
Ii Input Leakage
IDD Supply Current1
IDD Supply Current1
IDD Supply Current1
IDD Supply Current1
IDD Supply Current1
IDD Supply Current1
IDDS Supply Current
Test Conditions
Except serial interface pins
For serial interface pins only
IOL= 25 mA
IOH = -36 mA
VDD= 3.465V, Vi = VDD or
GND, IO =0
VDD= 3.465V, Vi = VDD or
GND
VDD= 0V, Vi = 0V or 5.5V
VDD= 3.135V to 3.465V
One Input at VDD-0.6, All other
Inputs at VDD or GND
VDD= 3.465V or GND
(Applicable to all Input Pins)
Unloaded outputs,133MHz
Loaded outputs,
30pF,133MHz
Unloaded outputs, 100MHz
Loaded outputs,
30pF,100MHz
Unloaded outputs, 66.67MHz
Loaded outputs,
30pF,66.67MHz
BUF_IN=VDD or VSS
All other inputs at VDD
Note: 1. Parameter is guaranteed by design and characterization. Not 100% tested in production.
Min
-
-
2.0
-
2.4
-5
-
-
-
-
-
ASM2I2313ANZ
Typ
50
Max
0.8
0.7
-
0.4
-
100
±10
50
500
+5
266
360
200
290
150
185
500
Unit
V
V
V
V
V
µA
µA
µA
µA
µA
mA
mA
mA
mA
mA
mA
µA
13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
Notice: The information in this document is subject to change without notice.
5 of 13
5 Page 
June 2005
rev 0.4
Package Information
ASM2I2313ANZ
28L SOIC Package(300 mil)
Symbol
A
A1
A2
D
h
E
H
R1
b
b1
c
c1
L
e
θ
Dimensions
Inches
Millimeters
Min Max Min Max
0.093
0.104
2.35
2.65
0.004
0.012
0.10
0.30
0.088
0.094
2.25
2.40
0.697
0.712
17.70
18.10
0.010
0.029
0.25
0.75
0.291
0.299
7.40
7.60
0.394
0.419
10.00
10.65
0.003 …. 0.08 …..
0.013
0.022
0.33
0.56
0.013
0.020
0.33
0.51
0.009
0.015
0.23
0.38
0.009
0.013
0.23
0.33
0.016
0.050
0.40
1.27
0.050 BSC
1.27 BSC
0° 8° 0° 8°
13 Output, 3.3V SDRAM Buffer for Desktop PCs with 3 DIMMs
Notice: The information in this document is subject to change without notice.
11 of 13
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ASM2I2313ANZ.PDF ] | |
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