sy100elt28kitr Micrel Semiconductor, sy100elt28kitr Datasheet

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sy100elt28kitr

Manufacturer Part Number
sy100elt28kitr
Description
Sy10elt28 Sy100elt28 5v Ttl-to-differential Pecl And Differential Pecl-to-ttl Translator
Manufacturer
Micrel Semiconductor
Datasheet
FEATURES
Guaranteed AC parameters over temperature:
• f
• < 5.5ns PECL-to-TTL propagation delay
• < 1.5ns t
• < 1.3ns TTL-to-PECL propagation delay
Wide temperature range: –40 C to +85 C
5V power supply
Q
or < 1.3V
Q
Internal PECL input pulldown resistors
Available in 8-pin MSOP and SOIC packages
PIN CONFIGURATION/BLOCK DIAGRAM
TTL
ECL
MAX
output will default low with inputs left open
output will default high with inputs left open
> 160MHz (TTL)
(Available in MSOP or SOIC package)
/QECL
/DECL
QECL
DECL
r
/ t
f
; PECL output
1
2
3
4
PECL
TOP VIEW
TTL
8 VCC
7
6
5
QTTL
DTTL
GND
5V TTL-TO-DIFFERENTIAL PECL
AND DIFFERENTIAL PECL-TO-TTL
TRANSLATOR
1
translator and a TTL-to-differential PECL translator in a
single package. Because PECL (Positive ECL) levels are
used, only +5V and ground are required. The small outline
8-pin package and the dual translation design of the
ELT28 makes it ideal for applications which are sending
and receiving signals across a backplane.
DESCRIPTION
The SY10/100ELT28 is a differential PECL-to-TTL
PIN NAMES
DTTL
QTTL
DECL, /DECL
QECL, /QECL
V
GND
CC
Pin
TTL Inputs
TTL Outputs
PECL Differential Inputs
PECL Differential Outputs
Positive Supply
Ground
Function
SY100ELT28
Rev.: B
Issue Date: February 2003
SY10ELT28
FINAL
Amendment: /0

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sy100elt28kitr Summary of contents

Page 1

FEATURES Guaranteed AC parameters over temperature: • f > 160MHz (TTL) MAX • < 5.5ns PECL-to-TTL propagation delay • < 1.5ns PECL output r f • < 1.3ns TTL-to-PECL propagation delay Wide temperature range: –40 C ...

Page 2

Micrel ABSOLUTE MAXIMUM RATINGS Symbol V Power Supply Voltage CC V Input Voltage IN I PECL Output Current OUT T Operating Temperature Range A T Storage Temperature Range store Package Thermal Resistance JA (Junction-to-Ambient) Package Thermal Resistance JC (Junction-to-Case) NOTE: ...

Page 3

Micrel 100K PECL DC ELECTRICAL CHARACTERISTICS V = +5.0V 10% CC Symbol Parameter V Output HIGH Voltage OH V Output LOW Voltage OL V Input HIGH Voltage IH (Single-Ended) V Input LOW Voltage IL (Single-Ended) V Input HIGH Voltage IHCMR ...

Page 4

... Ordering Operating Marking Range Code SY10ELT28KI Commercial XL28 SY10ELT28KITR* Commercial XL28 SY100ELT28KI Commercial XL28 Commercial XL28 SY100ELT28KITR* Commercial XEL28 SY10ELT28ZI Commercial XEL28 SY10ELT28ZITR* Commercial XEL28 SY100ELT28ZI Commercial XEL28 SY100ELT28ZITR + Max. Min. Typ. Max. — — 700 — ...

Page 5

Micrel TERMINATION RECOMMENDATIONS +5.0V Figure 1. +5V PECL Parallel Termination–Thevenin Equivalent +5.0V source Notes: 1. Power-saving alternative to 4-resistor, Thevenin termination. 2. Place termination resistors as close to destination inputs as possible resistor sets the DC bias voltage, ...

Page 6

Micrel 8 LEAD MSOP (K8-1) 6 SY10ELT28 SY100ELT28 Rev. 01 ...

Page 7

Micrel 8 LEAD SOIC .150" WIDE (Z8-1) MICREL, INC. 1849 FORTUNE DRIVE SAN JOSE, CA 95131 USA + 1 (408) 944-0800 TEL The information furnished by Micrel in this datasheet is believed to be accurate and reliable. However, no responsibility ...

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