sy100ep14u Micrel Semiconductor, sy100ep14u Datasheet

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sy100ep14u

Manufacturer Part Number
sy100ep14u
Description
Sy100ep14u 2.5v/3.3v/5v 1 5 Lvpecl/pecl/ecl/hstl 2ghz Clock Driver With 2 1 Differential Input Mux
Manufacturer
Micrel Semiconductor
Datasheet

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Micrel, Inc.
■ Guaranteed AC parameters over temp/voltage:
■ 2:1 Differential MUX input
■ Flexible supply voltage: 2.5V/3.3V/5V
■ Wide operating temperature range: –40
■ V
■ 100K ECL compatible outputs
■ Inputs accept PECL/LVPECL/ECL/HSTL logic
■ 75kΩ Ω Ω Ω Ω internal input pull-down resistors
■ Available in a 20-Pin TSSOP package
ECL Pro is a trademarks of Micrel, Inc.
Precision Edge is a registered trademarks of Micrel, Inc.
M9999-111805
hbwhelp@micrel.com or (408) 955-1690
FEATURES
• > 2GHz f
• < 25ps within-device skew
• < 275ps tr/tf time
• < 525ps prop delay
PECL inputs
BB
reference for single-ended or AC-coupled
MAX
2.5V/3.3V/5V 1:5 LVPECL/PECL/
ECL/HSTL 2GHz CLOCK DRIVER
WITH 2:1 DIFFERENTIAL INPUT MUX
°
C to +85
°
C
1
PECL/ECL 1:5 fanout buffer optimized for ultra-low skew
applications. Within device skew is guaranteed to be less
than 25ps over temperature and supply voltage. The wide
supply voltage operation allows this fanout buffer to operate
in 2.5V, 3.3V, and 5V systems. A V
for single-supply or AC-coupled PECL/ECL input
applications, thus eliminating resistor networks. When
interfacing to a single-ended or AC-coupled PECL/ECL input
signal, connect the V
bypass the pin to V
an ideal solution for redundant clock switchover applications.
If only one input pair is used, the other pair may be left
floating. In addition, this device includes a synchronous
enable pin that forces the outputs into a fixed logic state.
Enable or disable state is initiated only after the outputs are
in a LOW state, thus eliminating the possibility of a “runt”
clock pulse.
compatible. Differential 10K ECL logic can interface directly
into the SY100EP14U inputs.
synchronization family. For applications that require a
different I/O combination, consult the Micrel website at
www.micrel.com, and choose from a comprehensive product
line of high-speed, low-skew fanout buffers, translators, and
clock generators.
DESCRIPTION
The SY100EP14U is a high-speed, 2GHz differential
The SY100EP14U features a 2:1 input MUX, making it
The SY100EP14U I/O are fully differential and 100K ECL
The SY100EP14U is part of Micrel’s high-speed clock
CC
BB
through a 0.01µF capacitor.
pin to the unused /CLK pin, and
BB
Precision Edge
reference is included
Rev.: F
Issue Date: November 2005
SY100EP14U
Precision Edge
ECL Pro™
SY100EP14U
Amendment: /0
®
®

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sy100ep14u Summary of contents

Page 1

... Enable or disable state is initiated only after the outputs are in a LOW state, thus eliminating the possibility of a “runt” clock pulse. The SY100EP14U I/O are fully differential and 100K ECL compatible. Differential 10K ECL logic can interface directly into the SY100EP14U inputs. ...

Page 2

... Part Number Type SY100EP14UK4C K4-20-1 Commercial (2) SY100EP14UK4CTR K4-20-1 Commercial SY100EP14UK4I K4-20-1 (2) SY100EP14UK4ITR K4-20-1 10 (3) SY100EP14UK4G K4-20-1 (2, 3) SY100EP14UK4GTR K4-20-1 Notes: 1. Contact factory for die availability. Dice are guaranteed Tape and Reel. 3. Pb-Free package is recommended for new designs. 2 Precision Edge (1) Package Range Marking XEP14U XEP14U Industrial XEP14U Industrial ...

Page 3

... CLK0, CLK1 default condition is LOW when left floating. CC –2V CC –1.7V (approx.), and used for single-ended input signals or CC FUNCTION TABLE /EN Q CLK_SEL Precision Edge SY100EP14U –2V. For single-ended applications, CC will go LOW and OUT . CC Active Input CLK0, /CLK0 CLK1, /CLK1 ® ...

Page 4

... SY100EP14U Unit °C °C °C V °C/W °C/W Condition ...

Page 5

... V 1.2 — range is referenced to the most positive side of the differen- ® SY100EP14U Condition –2V CC –2V CC Condition 50Ω –2V CC 50Ω – 3.3V CC ...

Page 6

... Typ. Max. Unit –1625 –1945 — –1625 mV –880 –1165 — –880 mV mV 50Ω 50Ω 0.0 V +1.2 0.0 EE reference varies 1:1 with range is referenced to the most positive side of the ® Precision Edge SY100EP14U Condition –2V CC – +5. Condition –2V CC – ...

Page 7

... V mV 0.0 V +1.2 0 +25 ° +85 ° Typ. Max. Min. Typ. Max. — — 1200 — — 400 — — 400 — 900 680 — 900 ® SY100EP14U Condition –2V CC –2V CC Unit — ...

Page 8

... SY100EP14U Max. Unit — GHz 600 ps — ps 525 ps — 200 225 ps — ps — ps <1 ps 1200 mV ...

Page 9

... 50Ω – 82Ω 82Ω Figure 3. Terminating Unused I/O reference pin . BB . Bypass with a 0.01µF capacitor Precision Edge +3. – +3.3V “destination” = 110Ω. b +3.3V 50Ω 0.01µF +3.3V , not GND. CC ® SY100EP14U ...

Page 10

... M9999-111605 hbwhelp@micrel.com or (408) 955-1690 ± .10 ± .004 + 1 (408) 474-1000 FAX WEB Micrel for any damages resulting from such use or sale. © 2005 Micrel, Incorporated. 10 Precision Edge SY100EP14U ± .05 ± 0.002 + .10 – .00 + .004 – .000 ± .10 ± .004 Rev. 01 http://www.micrel.com ® ...

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