Crosspoint Switch. AD8152 Datasheet

AD8152 Switch. Datasheet pdf. Equivalent

Part AD8152
Description Digital Crosspoint Switch
Feature a 34 ؋ 34, 3.2 Gbps Asynchronous Digital Crosspoint Switch AD8152 FEATURES Low Cost Low Power 2.0 .
Manufacture Analog Devices
Datasheet
Download AD8152 Datasheet



AD8152
a
34 ؋ 34, 3.2 Gbps
Asynchronous Digital Crosspoint Switch
AD8152
FEATURES
Low Cost
Low Power
2.0 W @ 2.5 V (Outputs Enabled)
<100 mW @ 2.5 V (Outputs Disabled)
34 ؋ 34, Fully Differential, Nonblocking Array
3.2 Gbps per Port NRZ Data Rate
Wide Power Supply Range: 2.5 V to 3.3 V
LVTTL or LVCMOS Level Control Inputs:
@ 2.5 V to 3.3 V
Low Jitter: 45 ps
Drives a Backplane Directly
Programmable Output Swing
100 mV to 1.6 V Differential
50 On-Chip I/O Termination
User Controlled Voltage at the Load
Minimizes Power Dissipation
Dual Rank Latches
Available in 256-Ball Grid Array
APPLICATIONS
Fiber Optic Network Switching
High Speed Serial Backplane Routing to OC-48 with FEC
Gigabit Ethernet
Digital Video (HDTV)
Data Storage Networks
INP
VTTI
INN
FUNCTIONAL BLOCK DIAGRAM
VCC
34 34
34 ؋ 34
OUTPUT
DIFFERENTIAL
LEVEL
34
SWITCH MATRIX
DACs
34
OUTP
VTTO
OUTN
D[5:0]
RESET
CS
A[6:0]
RE
WE
UPDATE
MATRIX
CONNECTION
LATCHES
CONNECTION
DECODE
OUTPUT
LEVEL
LATCHES
CONTROL
LOGIC
AD8152
VEE
GENERAL DESCRIPTION
AD8152 is a member of the Xstream line of products and is a
breakthrough in digital switching, offering a large switch array
(34 × 34) on very little power, typically 2.0 W. Additionally, it
operates at data rates up to 3.2 Gbps per port, making it suitable
for Sonet/SDH OC-48 with Forward Error Correction (FEC).
The AD8152’s useful supply voltage range allows the user to
operate at LVPECL/CML data levels down to 2.5 V. The control
interface is LVTTL or LVCMOS compatible on 2.5 V to 3.3 V.
The AD8152’s fully differential signal path reduces jitter and
crosstalk while allowing the use of smaller single-ended voltage
swings. It is offered in a 256-ball SBGA package that operates
over the industrial temperature range of 0°C to 85°C.
80ps/DIV
Figure 1. Eye Pattern, 3.2 Gbps, PRBS 23
REV. A
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties that
may result from its use. No license is granted by implication or otherwise
under any patent or patent rights of Analog Devices. Trademarks and
registered trademarks are the property of their respective companies.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
www.analog.com
Fax: 781/326-8703 © 2003 Analog Devices, Inc. All rights reserved.



AD8152
AD8152
ELECTRICAL CHARACTERISTICS (@ 25؇C, VCC = 2.5 V to 3.3 V, VEE= 0 V, RL = 50 , Differential Output Swing = 800 mV p-p,
unless otherwise noted.)
Parameter
Condition
DYNAMIC PERFORMANCE
Max Data Rate/Channel (NRZ)
Channel Jitter
RMS Channel Jitter
Propagation Delay
Propagation Delay Match
Output Rise/Fall Time
Data Rate £ 3.2 Gbps; PRBS 223 – 1
Input to Output
20% to 80%
INPUT CHARACTERISTICS
Input Voltage Swing
Input Voltage Range
Input Bias Current
Input Capacitance
Single-Ended (See TPC 14)
Common-Mode (See TPC 15)
OUTPUT CHARACTERISTICS
Output Voltage Swing
Output Voltage Range
Output Current
Output Capacitance
Differential (See TPC 18)
TERMINATION CHARACTERISTICS
Resistance
Temperature Coefficient
POWER SUPPLY
Operating Range
VCC
Quiescent Current
VCC
VEE
LOGIC INPUT CHARACTERISTICS
Input High (VIH)
Input Low (VIL)
Input High (VIH)
Input Low (VIL)
VEE = 0 V
All Outputs Disabled
All Outputs Enabled
All Outputs Disabled
All Outputs Enabled
TMIN to TMAX, All Outputs Enabled
VCC = 3.3 V
VCC = 3.3 V
VCC = 2.5 V
VCC = 2.5 V
LOGIC OUTPUT CHARACTERISTICS
Output High (VOH)
Output Low (VOL)
Output High (VOH)
Output Low (VOL)
VCC = 3.3 V, IOH = –2 mA
VCC = 3.3 V, IOL = +2 mA
VCC = 2.5 V, IOH = –100 uA
VCC = 2.5 V, IOL = +100 uA
THERMAL CHARACTERISTICS
Operating Temperature Range
JA
Still Air
200 lfpm
400 lfpm
Specifications subject to change without notice.
Min Typ
3.2
45
<10
660
± 50
100
50
VEE + 0.8
2
2
100
VCC – 1.2
2
800
2
43 50
0.05
2.25
32
190
32
770
800
2
1.7
2.4
2.1
0
15
12
11
Max
Unit
800
± 120
Gbps
ps p-p
ps
ps
ps
ps
1000
VCC + 0.2
mV p-p
V
mA
pF
1600
VCC + 0.2
32
mV p-p
V
mA
pF
57 W
W/C
3.63 V
45 mA
mA
45 mA
mA
mA
V
0.8 V
V
0.7 V
V
0.4 V
V
0.2 V
85 C
C/W
C/W
C/W
–2– REV. A





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