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PDF ICS85322I Data sheet ( Hoja de datos )
| Número de pieza | ICS85322I | |
| Descripción | LVPECL TRANSLATOR | |
| Fabricantes | ICST | |
| Logotipo |  |
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Integrated
Circuit
Systems, Inc.
ICS85322I
DUAL LVCMOS / LVTTL-TO-DIFFERENTIAL
2.5V / 3.3V LVPECL TRANSLATOR
GENERAL DESCRIPTION
ICS
The ICS85322I is a Dual LVCMOS / LVTTL-to-
Differential 2.5V / 3.3V LVPECL translator and a
HiPerClockS™ member of the HiPerClocks™family of High Per-
formance Clocks Solutions from ICS. The
ICS85322I has selectable single ended clock in-
puts. The single ended clock input accepts LVCMOS or LVTTL
input levels and translate them to 2.5V / 3.3V LVPECL levels.
The small outline 8-pin SOIC package makes this device ideal
for applications where space, high performance and low power
are important.
FEATURES
• 2 differential 2.5V/3.3V LVPECL outputs
• Selectable CLK0, CLK1 LVCMOS/LVTTL clock inputs
• CLK0 and CLK1 can accepts the following input levels:
LVCMOS or LVTTL
• Maximum output frequency: 267MHz
• Part-to-part skew: 250ps (maximum)
• 3.3V operating supply voltage
(operating range 3.135V to 3.465V)
• 2.5V operating supply voltage
(operating range 2.375V to 2.625V)
• -40°C to 85°C ambient operating temperature
BLOCK DIAGRAM
CLK0
CLK1
Q0
nQ0
Q1
nQ1
PIN ASSIGNMENT
Q0
nQ0
Q1
nQ1
1
2
3
4
8 VCC
7 CLK0
6 CLK1
5 VEE
ICS85322I
8-Lead SOIC
3.90mm x 4.92mm x 1.37mm body package
M Package
Top View
85322AMI
www.icst.com/products/hiperclocks.html
1
REV. B OCTOBER 7, 2003
1 page  
Integrated
Circuit
Systems, Inc.
ICS85322I
DUAL LVCMOS / LVTTL-TO-DIFFERENTIAL
2.5V / 3.3V LVPECL TRANSLATOR
PARAMETER MEASUREMENT INFORMATION
2V
VCC
LVPECL
VEE
-1.3V ± 0.165V
SCOPE
Qx
nQx
2V
VCC
LVPECL
VEE
-0.5V ± 0.125V
SCOPE
Qx
nQx
3.3V OUTPUT LOAD AC TEST CIRCUIT
2.5V OUTPUT LOAD AC TEST CIRCUIT
nQx
PART 1
Qx
nQy
PART 2
Qy
t sk(o)
CLK0,
CLK1
nQ0, nQ1
Q0, Q1
tPD
PART-TO-PART SKEW
Clock
20%
Outputs
80%
tR
OUTPUT RISE/FALL TIME
85322AMI
PROPAGATION DELAY
80%
tF
VSW I N G
20%
nQ0, nQ1
Q0, Q1
Pulse Width
t
PERIOD
odc = t PW
t PERIOD
OUTPUT DUTY CYCLE/PULSE WIDTH/PERIOD
www.icst.com/products/hiperclocks.html
REV. B OCTOBER 7, 2003
5
5 Page 
Integrated
Circuit
Systems, Inc.
PACKAGE OUTLINE - M SUFFIX FOR 8 LEAD SOIC
ICS85322I
DUAL LVCMOS / LVTTL-TO-DIFFERENTIAL
2.5V / 3.3V LVPECL TRANSLATOR
85322AMI
TABLE 7. PACKAGE DIMENSIONS
SYMBOL
Millimeters
MINIMUN
MAXIMUM
N8
A 1.35 1.75
A1 0.10 0.25
B 0.33 0.51
C 0.19 0.25
D 4.80 5.00
E 3.80 4.00
e 1.27 BASIC
H 5.80 6.20
h 0.25 0.50
L 0.40 1.27
α 0° 8°
Reference Document: JEDEC Publication 95, MS-012
www.icst.com/products/hiperclocks.html
11
REV. B OCTOBER 7, 2003
11 Page | ||
| Páginas | Total 13 Páginas | |
| PDF Descargar | [ Datasheet ICS85322I.PDF ] | |
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