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FIN24C Schematic ( PDF Datasheet ) - Fairchild Semiconductor

Teilenummer FIN24C
Beschreibung uSerDes Low Voltage 24-Bit Bi-Directional Serializer/Deserializer
Hersteller Fairchild Semiconductor
Logo Fairchild Semiconductor Logo 




Gesamt 22 Seiten
FIN24C Datasheet, Funktion
April 2005
Revised September 2005
FIN24C
PSerDes¥
Low Voltage 24-Bit Bi-Directional Serializer/Deserializer
General Description
Features
The FIN24C PSerDes¥ is a low power Serializer/Deserializer O Low power for minimum impact on battery life
(SerDes) that can help minimize the cost and power of transfer-
• Multiple power-down modes
ring wide signal paths. Through the use of serialization, the
• AC coupling with DC balance
number of signals transferred from one point to another can be
significantly reduced. Typical reduction is 4:1 to 6:1 for unidirec-
tional paths. For bi-directional operation, using half duplex for
multiple sources, it is possible to increase the signal reduction
O 100nA in standby mode
5mA typical operating conditions
O Cable reduction: 25:4 or greater
to close to 10:1. Through the use of differential signaling, shield-
ing and EMI filters can also be minimized, further reducing the
cost of serialization. The differential signaling is also important
O Bi-directional operation 50:7 reduction or greater
O Up to 24 bits in either direction
for providing a noise-insensitive signal that can withstand radio
and electrical noise sources. Major reduction in power con-
sumption allows minimal impact on battery life in ultra-portable
O Up to 20MHz parallel interface operation
O Voltage translation from 1.8V to 3.3V
applications. A unique word boundary technique assures that
the actual word boundary is identified when the data is deserial-
ized. This guarantees that each word is correctly aligned at the
O Ultra-small and cost-effective packaging
O High ESD protection: !8kV HBM
deserializer on a word by word basis through a unique
sequence of clock and data that is not repeated except at the Applications
Oword boundary. It is possible to use a single PLL for most awpwpw.lDi-ataSheet4U.com
cations including bi-directional operation.
Micro-controller or Pixel interfaces
O Image sensors
O Small displays
LCD, cell phone, digital camera, portable gaming, printer,
PDA, video camera, automotive
Ordering Code:
Order
Number
FIN24CGFX
(Preliminary)
FIN24CMLX
Package
Number
BGA042A
Package Description
Pb-Free 42-Ball Ultra Small Scale Ball Grid Array (USS-BGA), JEDEC MO-195, 3.5mm Wide
MLP040A Pb-Free 40-Terminal Molded Leadless Package (MLP), Quad, JEDEC MO-220, 6mm Square
Pb-Free package per JEDEC J-STD-020B.
BGA and MLP packages available in Tape and Reel only.
PSerDes¥ is a trademark of Fairchild Semiconductor Corporation.
© 2005 Fairchild Semiconductor Corporation
DS500909
www.fairchildsemi.com






FIN24C Datasheet, Funktion
FIGURE 1. Serializer Timing Diagram (CKREF equals STROBE)
FIGURE 2. Serializer Timing Diagram (CKREF does not equal STROBE)
FIGURE 3. Serializer Timing Diagram Using Provided Bit Clock (No CKREF)
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FIN24C pdf, datenblatt
Power Supply Currents
Symbol
IDDA1
IDDA2
IDDS1
IDD_PD
IDD_SER1
IDD_DES1
IDD_SER2
Parameter
VDDA Serializer Static
Supply Current
VDDA Deserializer Static
Supply Current
VDDS Serializer Static
Supply Current
VDDS Deserializer Static
Supply Current
VDD Power-Down Supply Current
IDD_PD = IDDA  IDDS  IDDP
26:1 Dynamic Serializer
Power Supply Current
IDD_SER1 = IDDA  IDDS  IDDP
1:26 Dynamic Deserializer
Power Supply Current
IDD_DES1 = IDDA  IDDS  IDDP
26:1 Dynamic Serializer
Power Supply Current
IDD_SER2 = IDDA  IDDS  IDDP
Test Conditions
All DPI and Control Inputs at 0V or VDDP,
NO CKREF, S2 = 0, S1 = 1, DIRI = 1
All DPI and Control Inputs at 0 or VDDP,
NO CKREF, S2 = 0, S1 = 1, DIRI = 1
All DPI and Control Inputs at 0V or VDDP,
NO CKREF, S2 = 0, S1 = 1, DIRI = 1
All DPI and Control Inputs at 0V or VDDP,
NO CKREF, S2 = 0, S1 = 1, DIRI = 0
S1 = S2 = 0, All Inputs at GND or VDDP
CKREF = STROBE
DIRI = H
See Figure 13
CKREF = STROBE
DIRI = L
See Figure 13
NO CKREF, STROBE Active
CKSI = 15x Strobe Rate
DIRI = H (see Figure 13)
10MHz
20MHz
10MHz
20MHz
10 MHz
15 MHz
Min
Typ
Max
Units
450 PA
550 PA
4.0
mA
4.5
0.1 uA
11.0
16.0
7.5
10.0
10.0
12.0
mA
mA
mA
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