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ASM2P3805AH

Description
3.3V CMOS Buffer Clock Driver
File Size533KB,13 Pages
ManufacturerALSC [Alliance Semiconductor Corporation]
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ASM2P3805AH Overview

3.3V CMOS Buffer Clock Driver

June 2005
rev 0.2
3.3V CMOS Buffer Clock Driver
Features
Advanced CMOS Technology
Guaranteed low skew < 500pS (max.)
Very low duty cycle distortion < 1.0nS (max)
Very low CMOS power levels
TTL compatible inputs and outputs
Inputs can be driven from 3.3V or 5V components
Two independent output banks with 3-state control
1:5 fanout per bank
"Heartbeat" monitor output
V
CC
= 3.3V ± 0.3V
Available in SSOP, SOIC and QSOP Packages
ASM2P3805AH
Functional Description
The ASM2P3805AH is a 3.3V, non-inverting clock driver
built using advanced CMOS technology. The device
consists of two banks of drivers, each with a 1:5 fanout and
its own output enable control. The device has a "heartbeat"
monitor for diagnostics and PLL driving. The MON output is
identical to all other outputs and complies with the output
specifications in this document. The ASM2P3805AH offers
low capacitance inputs.
The ASM2P3805AH is designed for high speed clock
distribution where signal quality and skew are critical. The
ASM2P3805AH
also
allows
single
point-to-point
transmission line driving in applications such as address
distribution, where one signal must be distributed to
multiple receivers with low skew and high signal quality.
Block Diagram
Pin Diagram
V
CCA
OA
1
1
2
3
4
5
6
7
8
9
10
20
V
CCB
OB
1
OB
2
OB
3
GND
B
OB
4
OB
5
MON
OE
B
IN
B
OE
A
IN
A
5
OA
1
– OA
5
OA
2
OA
3
GND
A
OA
4
IN
B
OE
B
5
OB
1
– OB
5
OA
5
GND
Q
OE
A
A
S
M
2
3
8
0
5
A
H
19
18
17
16
15
14
13
12
11
MON
IN
A
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.

ASM2P3805AH Related Products

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Description 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver 3.3V CMOS Buffer Clock Driver
Is it Rohs certified? - conform to conform to conform to conform to conform to conform to conform to conform to conform to
Maker - ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation] ALSC [Alliance Semiconductor Corporation]
Parts packaging code - SOIC SOIC SSOP SSOP QSOP SOIC SSOP QSOP SOIC
package instruction - SOP, SOP, SSOP, SSOP, SSOP, SOP, SSOP, SSOP, SOP,
Contacts - 20 20 20 20 20 20 20 20 20
Reach Compliance Code - unknow unknow unknow unknow unknow unknow unknow unknow unknow
series - 3805 3805 3805 3805 3805 3805 3805 3805 3805
Input adjustment - SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER SCHMITT TRIGGER
JESD-30 code - R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20 R-PDSO-G20
JESD-609 code - e3 e3 e3 e3 e3 e3 e3 e3 e3
length - 12.8 mm 12.8 mm 7.2 mm 7.2 mm 8.65 mm 12.8 mm 8.649 mm 8.65 mm 12.8 mm
Logic integrated circuit type - LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER LOW SKEW CLOCK DRIVER
Number of functions - 2 2 2 2 2 2 2 2 2
Number of terminals - 20 20 20 20 20 20 20 20 20
Actual output times - 5 5 5 5 5 5 5 5 5
Maximum operating temperature - 85 °C 85 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C 70 °C
Output characteristics - 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE 3-STATE
Package body material - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
encapsulated code - SOP SOP SSOP SSOP SSOP SOP SSOP SSOP SOP
Package shape - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
Package form - SMALL OUTLINE SMALL OUTLINE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE, SHRINK PITCH SMALL OUTLINE
Peak Reflow Temperature (Celsius) - 250 250 250 250 250 250 250 250 250
propagation delay (tpd) - 5.2 ns 5.2 ns 5 ns 5 ns 5 ns 5 ns 5 ns 5 ns 5 ns
Certification status - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
Same Edge Skew-Max(tskwd) - 0.6 ns 0.6 ns 0.5 ns 0.5 ns 0.5 ns 0.5 ns 0.5 ns 0.5 ns 0.5 ns
Maximum seat height - 2.65 mm 2.65 mm 2 mm 2 mm 1.73 mm 2.65 mm 1.753 mm 1.73 mm 2.65 mm
Maximum supply voltage (Vsup) - 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V 3.6 V
Minimum supply voltage (Vsup) - 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V 3 V
Nominal supply voltage (Vsup) - 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V 3.3 V
surface mount - YES YES YES YES YES YES YES YES YES
technology - CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS CMOS
Temperature level - INDUSTRIAL INDUSTRIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL COMMERCIAL
Terminal surface - Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn) Matte Tin (Sn)
Terminal form - GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING GULL WING
Terminal pitch - 1.27 mm 1.27 mm 0.65 mm 0.65 mm 0.635 mm 1.27 mm 0.635 mm 0.635 mm 1.27 mm
Terminal location - DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL DUAL
Maximum time at peak reflow temperature - 40 40 40 40 40 40 40 40 40
width - 7.5 mm 7.5 mm 5.3 mm 5.3 mm 3.9 mm 7.5 mm 3.9 mm 3.9 mm 7.5 mm

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