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Электронный компонент: SY10ELT20V

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Pin
Function
Q
Differential PECL Output
D
TTL Input
V
CC
+5V/+3.3V Supply
GND
Ground
DESCRIPTION
s
3.3V and 5V power supply options
s
300ps typical propagation delay
s
Low power
s
Differential PECL output
s
PNP TTL input for minimal loading
s
Flow-through pinouts
s
Available in 8-pin SOIC package
The SY10/100ELT20V is a single TTL-to-differential
PECL translators. Because PECL (Positive ECL) levels
are used, either +5V or +3.3V and ground are required.
The small outline 8-lead SOIC package and low skew
single gate design make the ELT20V ideal for applications
that require the translation of a clock or data signal where
minimal space, low power, and low cost are critical.
The ELT20V is available in both ECL standards: the
10ELT is compatible with positive ECL 10H logic levels,
while the 100ELT is compatible with positive ECL 100K
logic levels.
FEATURES
5V/3.3V
TTL-to-DIFFERENTIAL
PECL TRANSLATOR
PIN NAMES
PIN CONFIGURATION/BLOCK DIAGRAM
SOIC
TOP VIEW
ClockWorksTM
SY10ELT20V
SY100ELT20V
Rev.: A
Amendment: /0
Issue Date:
December 1999
1
NC
Q
Q
NC
8
V
CC
D
NC
GND
7
6
5
2
3
4
PECL
TTL
1
2
ClockWorksTM
SY10ELT20V
SY100ELT20V
Micrel
T
A
= 40
C
T
A
= 0
C
T
A
= +25
C
T
A
= +85
C
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Typ.
Max.
Min.
Max.
Unit
Condition
I
CC
Power Supply Current
--
20
--
20
--
--
20
--
20
mA
--
TRUTH TABLE
D
Q
Q
H
H
L
L
L
H
Open
H
L
DC ELECTRICAL CHARACTERISTICS
V
CC
= +3.3V
10% or +5.0V
10%
Symbol
Paramter
Value
Unit
V
CC
Power Supply Voltage
0.5 to +7.0
V
V
I
TTL Input Voltage
0.5 to V
CC
V
I
I
TTL Input Current
30 to +5.0
mA
I
OUT
PECL Output Current
mA
Continuous
50
Surge
100
T
store
Storage Temperature
65 to +150
C
T
A
Operating Temperature
40 to +85
C
NOTE:
1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS
are exceeded. This is a stress rating only and functional operation is not
implied at conditions other than those detailed in the operational sections
of this data sheet. Exposure to ABSOLUTE MAXIMUM RATlNG conditions
for extended periods may affect device reliability.
ABSOLUTE MAXIMUM RATINGS
(1)
T
A
= 40
C
T
A
= 0
C
T
A
= +25
C
T
A
= +85
C
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Typ.
Max.
Min.
Max.
Unit
Condition
V
IH
Input HIGH Voltage
2.0
--
2.0
--
2.0
--
2.0
--
V
--
V
IL
Input LOW Voltage
--
0.8
--
0.8
--
0.8
--
0.8
V
--
I
IH
Input HIGH Current
--
20
--
20
--
20
--
20
A
V
IN
= 2.7V
--
100
--
100
--
100
--
100
V
IN
= V
CC
I
IL
Input LOW Current
--
0.2
--
0.2
--
0.2
--
0.2
mA
V
IN
= 0.5V
V
IK
Input Clamp Voltage
--
1.2
--
1.2
--
1.2
--
1.2
V
I
IN
= 18mA
TTL DC ELECTRICAL CHARACTERISTICS
V
CC
= +3.3V
10% or +5.0V
10%
T
A
= 40
C
T
A
= 0
C
T
A
= +25
C
T
A
= +85
C
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Typ.
Max.
Min.
Max.
Unit
Condition
V
OH
Output HIGH Voltage
(1)
mV
10ELT
3920
4110
3980
4160
4020
--
4190
4090
4280
100ELT
3915
4120
3975
4120
3975
--
4120
3975
4120
V
OL
Output LOW Voltage
(1)
mV
10ELT
3050
3350
3050
3370
3050
--
3370
3050
3405
100ELT
3170
3445
3190
3380
3190
--
3380
3190
3380
PECL DC ELECTRICAL CHARACTERISTICS
V
CC
= +3.3V
10% or +5.0V
10%
NOTES:
1. These values are for V
CC
= 5.0V. Level Specifications will vary 1:1 with V
CC
.
3
ClockWorksTM
SY10ELT20V
SY100ELT20V
Micrel
PRODUCT ORDERING INFORMATION
Ordering
Package
Operating
Code
Type
Range
SY10ELT20VZC
Z8-1
Commercial
SY10ELT20VZCTR
Z8-1
Commercial
SY100ELT20VZC
Z8-1
Commercial
SY100ELT20VZCTR
Z8-1
Commercial
T
A
= 40
C
T
A
= 0
C
T
A
= +25
C
T
A
= +85
C
Symbol
Parameter
Min.
Max.
Min.
Max.
Min.
Typ.
Max.
Min.
Max. Unit
Condition
t
PLH
Propagation Delay
(1)
100
600
100
600
100
--
600
100
600
ps
50
to V
CC
2.0V
t
PHL
t
skpp
Part-to-Part Skew
(2)
--
500
--
500
--
--
500
--
500
ps
50
to V
CC
2.0V
f
MAX
Maximum Input Frequency
350
--
350
--
350
--
--
350
--
MHz
50
to V
CC
2.0V
t
r
Output Rise/Fall Time
200
500
200
500
200
--
500
200
500
ps
50
to V
CC
2.0V
t
f
(20% to 80%)
AC ELECTRICAL CHARACTERISTICS
(1)
V
CC
= +3.3V
10% or +5.0V
10%
NOTE:
1. Input Rise Time < 1.0ns.
2. Guaranteed by design. Not tested in production.
4
ClockWorksTM
SY10ELT20V
SY100ELT20V
Micrel
8 LEAD SOIC .150" WIDE (Z8-1)
Rev. 03
MICREL-SYNERGY
3250 SCOTT BOULEVARD
SANTA CLARA
CA 95054
USA
TEL
+ 1 (408) 980-9191
FAX
+ 1 (408) 914-7878
WEB
http://www.micrel.com
This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or
other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.
2000 Micrel Incorporated