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PDF IDT8535-01 Data sheet ( Hoja de datos )
| Número de pieza | IDT8535-01 | |
| Descripción | 1-TO-4 LVCMOS-TO-3.3V LVPECL FANOUT BUFFER | |
| Fabricantes | IDT | |
| Logotipo |  |
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IDT8535-01
LOW SKEW, 1-TO-4 LVCMOS-TO-3.3V LVPECL
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
LOW SKEW, 1-TO-4
LVCMOS-TO-3.3V LVPECL
FANOUT BUFFER
IDT8535-01
FEATURES:
• Four differential 3.3V LVPECL outputs
• Selectable CLK0 or CLK1 inputs for redundant and multiple
frequency fanout applications
• Maximum output frequency: 266MHz
• CLK0 or CLK1 can accept LVCMOS or LVTTL input levels
• Translates LVCMOS and LVTTL levels to 3.3V LVPECL levels
• Output skew: 30ps (max.)
• Part-to-part skew: as low as 150ps
• Propagation delay: 1.9ns (max.)
• 3.3V operating supply
• Available in TSSOP package
DESCRIPTION:
The IDT8535-01 is a low skew, high performance 1-to-4 LVCMOS-to-3.3V
LVPECLfanoutbuffer. Ithastwosingle-endedclockinputs. Thesingle-ended
clock input accepts LVCMOS or LVTTL input levels and translates them to 3.3V
LVPECL levels. The clock enable is internally synchronized to eliminate runt
pulses on the outputs during asynchronous assertion/deassertion of the clock
enable pin.
Guaranteed output and part-to-part skew characteristics make the IDT8535-
01 ideal for those applications demanding well-defined performance and
repeatability.
FUNCTIONAL BLOCK DIAGRAM
CLK_EN
CLK0
CLK1
0
1
D
Q
LE
CLK_SEL
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
COMMERCIAL AND INDUSTRIAL
c 2004 Integrated Device Technology, Inc.
TEMPERATURE
1
RANGES
Q0
xQ0
Q1
xQ1
Q2
xQ2
Q3
xQ3
APRIL 2004
DSC 6196/6
1 page  
IDT8535-01
LOW SKEW, 1-TO-4 LVCMOS-TO-3.3V LVPECL
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
POWER SUPPLY CHARACTERISTICS - INDUSTRIAL
Symbol
Parameter
Test Conditions
Min. Typ.
VDD Positive Supply Voltage
3.135 3.3
IEE Power Supply Current
——
Max.
3.465
55
Unit
V
mA
DC ELECTRICAL CHARACTERISTICS, LVCMOS / LVTTL - INDUSTRIAL
Symbol
VIH
VIL
Parameter
Input Voltage HIGH
Input Voltage LOW
IIH Input Current HIGH
IIL Input Current LOW
CLK0, CLK1
CLK_EN, CLK_SEL
CLK0, CLK1, CLK_SEL
CLK_EN
CLK0, CLK1, CLK_SEL
CLK_EN
Test Conditions
VIN = VDD = 3.465V
VIN = VDD = 3.465V
VIN = 0V, VDD = 3.465V
VIN = 0V, VDD = 3.465V
Min. Typ. Max.
2 VDD + 0.3
-0.3 1.3
-0.3 0.8
150
5
-5
-150
Unit
V
V
µA
µA
DC ELECTRICAL CHARACTERISTICS, LVPECL - INDUSTRIAL
Symbol
VOH
VOL
VSWING
Parameter
Output Voltage HIGH(1)
Output Voltage LOW(1)
Peak-to-Peak Output Voltage Swing
Test Conditions
Min.
VDD - 1.4
VDD - 2
0.6
Typ.
NOTE:
1. Outputs terminated with 50Ω to VDD - 2V.
Max.
VDD - 1
VDD - 1.7
0.85
Unit
V
V
V
AC ELECTRICAL CHARACTERISTICS - INDUSTRIAL
All parameters measured at 266MHz unless noted otherwise;
Cycle-to-cycle jitter on input = jitter on output; the part does not add jitter
Symbol
FMAX
tPD
tSK(O)
tSK(PP)
tR
tF
odc
Parameter
Output Frequency
Propagation Delay(1)
Output Skew(2,4)
Part-to-Part Skew(3,4)
Output Rise Time
Output Fall Time
Output Duty Cycle
Test Conditions
f ≤ 266MHz
20 - 80% @ 50MHz
20 - 80% @ 50MHz
Min.
1
300
300
48
Typ. Max. Unit
266 MHz
1.9 ns
30 ps
200 ps
700 ps
700 ps
50 52 %
NOTES:
1. Measured from the VDD/2 of the input to the differential output crossingpoint.
2. Defined as skew between outputs as the same supply voltage and with equal load conditions. Measured at the output differential crosspoints
3. Defined as skew between outputs on different devices operating at the same supply voltages and with equal load conditions. Using the same type of inputs on each
device, the outputs are measured at the differential crosspoints.
4. This parameter is defined in accordance with JEDEC Standard 65.
5
5 Page 
IDT8535-01
LOW SKEW, 1-TO-4 LVCMOS-TO-3.3V LVPECL
ORDERING INFORMATION
IDT XXXXX XX X
Device Type Package Process
COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES
Blank
I
Commercial (0°C to +70°C)
Industrial (-40°C to +85°C)
PG Thin Shrink Small Outline Package
8535-01 Low Skew, 1-to-4 LVCMOS-to-3.3V LVPECL
Fanout Buffer
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com
11
for Tech Support:
(408) 654-6459
11 Page | ||
| Páginas | Total 11 Páginas | |
| PDF Descargar | [ Datasheet IDT8535-01.PDF ] | |
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