sy89321l Micrel Semiconductor, sy89321l Datasheet

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sy89321l

Manufacturer Part Number
sy89321l
Description
Sy89321l 3.3v Differential Lvpecl-to-lvttl Translator
Manufacturer
Micrel Semiconductor
Datasheet

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Micrel, Inc.
Precision Edge is a registered trademark of Micrel, Inc.
Micro LeadFrame and MLF are registered trademarks of Amkor Technology, Inc.
M9999-051006
hbwhelp@micrel.com or (408) 955-1690
FEATURES
BLOCK DIAGRAM
3.3V power supply
1.9ns typical propagation delay
275MHz f
Differential LVPECL inputs
24mA LVTTL outputs
Flow-through pinouts
Internal input resistors: pulldown on IN, pulldown
and pullup on /IN
Q output will default LOW with inputs open
V
Available in ultra-small 8-pin MLF
package
BB
output
LVPECL
MAX
/IN
IN
Q
®
LVTTL
(2mm x 2mm)
3.3V DIFFERENTIAL
LVPECL-to-LVTTL
TRANSLATOR
1
translator requiring only a single +3.3V power. Because
LVPECL (Low Voltage Positive ECL) levels are used, only
+3.3V and ground are required. The SY89321L is functionally
equivalent to the SY100EPT21L, but in an ultra-small
8-lead MLF
This ultra-small package and low skew single gate design
make the SY89321L ideal for applications that require the
translation of a clock or data signal where minimal space,
low power and low cost are critical.
interface to the device. If used, the V
bypassed to V
a V
ground. This condition will force the Q output low to
provide added stability.
logic levels.
DESCRIPTION
The SY89321L is a differential LVPECL-to-LVTTL
V
Under open input conditions, the /IN will be biased at
The SY89321L is compatible with positive ECL 100k
CC
BB
/2 voltage level and the IN input will be pulled to
allows a differential, single-ended, or AC-coupled
®
package that features a 70% smaller footprint.
CC
with 0.01 F capacitor.
Precision Edge
BB
Precision Edge
Rev.: C
Issue Date: May 2006
output should be
Precision Edge
SY89321L
Amendment: /0
SY89321L
®
®
®

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sy89321l Summary of contents

Page 1

... DESCRIPTION The SY89321L is a differential LVPECL-to-LVTTL translator requiring only a single +3.3V power. Because LVPECL (Low Voltage Positive ECL) levels are used, only +3.3V and ground are required. The SY89321L is functionally equivalent to the SY100EPT21L, but in an ultra-small ® 8-lead MLF This ultra-small package and low skew single gate design ® ...

Page 2

... Operating Package Range Marking Industrial 321 Industrial 321 with Pb-Free bar-line indicator pull-down resistor. If left open, pin pull-up and pull-down resistors. /2. When not used, this input can be left CC –1.3V. Used as reference voltage for single- CC ® SY89321L Lead Finish Sn-Pb Pb-Free NiPdAu 0.5mA. ...

Page 3

... Min Typ Max V –1.165 — V –0.880 –1.810 — V –1.475 –1.38 V –1. — — 150 0.5 — — –300 — — ® SY89321L Max Units — V 0.5 V Units V V –1. ...

Page 4

... T is the time between rising edges of the n n– more than one output edge in 10 MAX SY89321L /IN 0.01 F VBB Single-Ended Input (Terminating unused input) 4 ® Precision Edge SY89321L Min Typ Max Units 275 — — MHz 1.5 1.9 2.5 ns — — 0.5 ns 1.2 — ...

Page 5

... Heavy Copper Plane Heavy Copper Plane PCB Thermal Consideration for 8-Pin MLF + 1 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2006 Micrel, Incorporated. 5 Precision Edge Package EP- Exposed Pad Die ® Package http://www.micrel.com ® SY89321L ...

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