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PDF AK8181H Data sheet ( Hoja de datos )
| Número de pieza | AK8181H | |
| Descripción | LVPECL 1:10 Clock Fanout Buffer | |
| Fabricantes | AKM | |
| Logotipo |  |
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AK8181H
2.5V, 3.3V LVPECL 1:10
Preliminary Clock Fanout Buffer
AK8181H
Features
Ten differential 2.5V, 3.3V LVPECL outputs
Two Selectable differential inputs
PCLKxp/n pairs can accept the following
differential input levels; LVPECL, LVDS,
LVHSTL, SSTL, HCSL
Clock output frequency up to 700MHz
Translates any single-ended input signal to
3.3V LVPECL levels with resistor bias on
PCLKxn input
Output skew : 30ps typical
Part-to-part skew : 340ps maximum
Propagation delay : (T.B.D)ns maximum
Additive phase jitter(RMS) : 0.045ps (typical)
Operating Temperature Range: -40 to +85℃
Package: 32-pin LQFP (Pb free)
Pin compatible with ICS85310I-01
Description
The AK8181H is a member of AKM’s LVPECL
clock fanout buffer family designed for telecom,
networking and computer applications, requiring a
range of clocks with high performance and low
skew. The AK8181H distributes 10 buffered clocks.
AK8181H are derived from AKM’s long-term-
experienced clock device technology, and enable
clock output to perform low skew. The AK8181H is
available in a 32-pin LQFP package.
Block Diagram
draft-E-02
-1-
Feb-2013
http://www.Datasheet4U.com
1 page  
DC Characteristics (LVCMOS/LVTTL)
All specifications at VDD = 2.375V to 3.8V, VSS = 0V, Ta: -40 to +85℃, unless otherwise noted
AK8181H
Parameter
Input High Voltage
Input Low Voltage
Input High Current
Input Low Current
CLK_SEL
CLK_SEL
Symbol
Conditions
VDD = 3.3V
VIH VDD = 2.5V
VDD = 3.3V
VIL VDD = 2.5V
IIH Vin = VDD = 3.8V
Vin = VSS,
IIL VDD = 3.8V
MIN TYP MAX Unit
2.0 VDD+0.3 V
1.7 VDD+0.3 V
-0.3 0.8 V
-0.3 0.7 V
150 μA
-5 μA
DC Characteristics
All specifications at VDD = 2.375V to 3.8V, VSS = 0V, Ta: -40 to +85℃, unless otherwise noted
Parameter
Symbol
Conditions
Input High Current
PCLKxp
PCLKxn
IIH
Input Low Current
PCLKxp
PCLKxn
IIL
Peak-to-Peak Input Voltage
VPP
Common Mode Input Voltage (1) (2) VCMR
(1) VIL should not be less than -0.3V.
(2) Common mode voltage is defined as VIH.
Vin = VDD = 3.8V or 2.625V
Vin = VDD = 3.8V or 2.625V
Vin = VSS,
VDD = 3.8V or 2.625V
Vin = VSS,
VDD = 3.8V or 2.625V
MIN
-5
-150
0.15
VSS+0.5
TYP
MAX
150
5
Unit
μA
μA
μA
μA
1.3
VDD-0.85
V
V
DC Characteristics (LVPECL)
All specifications at VDD = 2.375V to 3.8V, VSS = 0V, Ta: -40 to +85℃, unless otherwise noted
Parameter
Symbol
Output High Voltage (1)
Output Low Voltage (1)
VOH
VOL
Peak-to-Peak Output Voltage Swing VSWING
(1) Outputs terminated with 50Ω to VDD-2V.
Conditions
MIN TYP MAX Unit
VDD-1.4
VDD-2.0
0.6
VDD-0.9
VDD-1.7
1.0
V
V
V
draft-E-02
-5-
Feb-2013
5 Page 
Marking
a: #1 Pin Index
b: Part number
c: Date code (7 digits)
AK8181H
Preliminary
(1) AKM is the brand name of AKM’ｓ IC’s.
AKM and the logo -
- are the brand of AKM’s IC’s and identify that AKM
continues to offer the best choice for high performance mixed-signal solution under
this brand.
RoHS Compliance
All integrated circuits form Asahi Kasei Microdevices Corporation (AKM)
assembled in “lead-free” packages* are fully compliant with RoHS.
(*) RoHS compliant products from AKM are identified with “Pb free” letter indication on
product label posted on the anti-shield bag and boxes.
draft-E-02
- 11 -
Feb-2013
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet AK8181H.PDF ] | |
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