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PDF PI6C49S1504 Data sheet ( Hoja de datos )
| Número de pieza | PI6C49S1504 | |
| Descripción | High Performance Selectable 1:4 Differential Fanout Buffer | |
| Fabricantes | Pericom Semiconductor | |
| Logotipo |  |
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PI6C49S1504
High Performance Selectable 1:4 Differential Fanout Buffer
Features
ÎÎ4 differential outputs with 2 banks
ÎÎUser configurable output signaling standard for each bank:
LVDS or LVPECL or HCSL
ÎÎLVCMOS reference output up to 200MHz
ÎÎUp to 1.5GHz output frequency for differential outputs
ÎÎUltra low additive phase jitter: < 0.03 ps (typ) (differential
156.25MHz, 12KHz to 20MHz integration range)
ÎÎSelectable reference inputs support either single-ended
or differential or Xtal
ÎÎLow skew between outputs within banks (<40ps)
ÎÎLow delay from input to output (Tpd typ. < 1.5ns)
ÎÎSeparate Input output supply voltage for level shifting
ÎÎ2.5V / 3.3V power supply
ÎÎIndustrial temperature support
ÎÎTSSOP-28 package
Description
The PI6C49S1504 is a high performance fanout buffer device-
which supports up to 1.5GHz frequency. The device also uses
Pericom's proprietary input detection technique to make sure
illegal input conditions will be detected and reflected by output
states. This device is ideal for systems that need to distribute low
jitter clock signals to multiple destinations.
Applications
ÎÎNetworking systems including switches and Routers
ÎÎHigh frequency backplane based computing and telecom
platforms
Block Diagram
X1
X2
CLK0
nCLK0
CLK1
nCLK1
OSC
CLK_SEL[1:0]
Sync_OE
Iref
Sync
Pin Configuration (28-Pin TSSOP)
OPMODEA[1:0]
QA[0:1]
2
OPMODEB[1:0]
QB[0:1]
2
Ref_Out
VEE/GND
NC
CLK_SEL0
CLK_SEL1
CLK0
nCLK0
CLK1
nCLK1
Xtal_In
Xtal_Out
Sync_OE
IREF
VDD
nQB1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28 QA0
27 nQA0
26 VDDO
25 OpModeA0
24 OpModeA1
23 QA1
22 nQA1
21 Ref_out
20 QB0
19 nQB0
18 OpModeB1
17 OpModeB0
16 VDDO
15 QB1
13-0025
1 PI6C49S1504 RevA 04/01/13
1 page  
PI6C49S1504
High Performance Selectable 1:4 Differential Fanout Buffer
DC Electrical Specifications - LVCMOS Inputs
Symbol Parameter
Conditions
IIH Input High current
Input = VDD
IIL Input Low current
Input = GND
VIH Input high voltage
VDD=3.3V
VIL Input low voltage
VDD=3.3V
VIH Input high voltage
VDD=2.5V
VIL Input low voltage
VDD=2.5V
Min. Typ.
-150
2.0
-0.3
1.7
-0.3
Max.
150
Units
uA
uA
VDD+0.3 V
0.8 V
VDD+0.3 V
0.7 V
DC Electrical Specifications- LVPECL Outputs
Parameter
VOH
Description
Output High voltage
Conditions
VDD=3.3V
VDD=2.5V
VOL Output Low voltage
VDD=3.3V
VDD=2.5V
DC Electrical Specifications- LVDS Outputs
Parameter
VOD
Vocm
DVOcm
Ro
Description
Differential Output Voltage
Output commode voltage
Change in Vocm between com-
pletely output states
Output impedance
Conditions
Min. Typ. Max. Units
2.1 2.6
1.3 1.6 V
1.2 1.8
V
0.4 0.8
Min.
0.35
1.1
85
Typ.
1.2
Max.
0.55
1.3
50
140
Units
V
V
mV
W
13-0025
5 PI6C49S1504 RevA 04/01/13
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet PI6C49S1504.PDF ] | |
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