VSC852TV [VITESSE]
Digital Time Switch, PBGA440, 35 X 35 MM, TBGA-440;
| 型号： | VSC852TV |
| 厂家： | 
VITESSE SEMICONDUCTOR CORPORATION |
| 描述： | Digital Time Switch, PBGA440, 35 X 35 MM, TBGA-440 电信 电信集成电路 |
| 文件： | 总16页 (文件大小：205K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Features
• 64 Input by 64 Output Non-Blocking
• Fully Differential Data Path, PECL-Compatible
• Full Broadcast/Multicast Capability
• 1.6Gb/s NRZ Data Bandwidth
• Designed for HDTV, GE, and FC
• TTL-Compatible Control I/O
• On-Chip Input Terminations
• Single 3.3V Supply, 28W Maximum Dissipation
• High Performance 35mm, 440 TBGA Package
General Description
The VSC852 is a monolithic 64x64 asynchronous crosspoint switch, designed to carry broadband data
streams up to 1.6Gb/s. Typical applications include Gigabit Fibre Channel/Ethernet and HDTV. The non-block-
ing switch core is programmed through a serial port interface that allows random access programming of each
output port. A high degree of signal integrity is maintained throughout the chip via fully differential signal
paths.
The crosspoint function is based on a multiplexer tree architecture. Each data output is driven by a 64:1
multiplexer tree that can be programmed to one and only one of its 64 inputs. The signal path is unregistered, so
no clock is required for the data inputs. The signal path is asynchronous, so there are no restrictions on the
phase, frequency, or signal pattern at each input. (Note: the maximum frequency for any data line is 1.6Gb/s.)
Each output driver is a fully differential switched current driver with on-die back-terminations for maxi-
mum signal integrity. Data inputs are terminated on die through 50Ω resistors to an external V supply.
TT
The serial port interface uses TTL levels and provides separate pins for data input and output. Core pro-
gramming can be sequential for each address or multiple program assignments can be queued and issued simul-
taneously.
VSC852 Block Diagram
Y0
A0
A63
Y63
Control logic
Serial TTL
Interface
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52245-0, Rev 4.2
06/01/01
Page 1
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Functional Diagram
64 x 64
Switch Core
INPUT[0:63]
OUTPUT[0:63]
Core
Program Memory
CONFIG
LOAD
data[0:5]
address[0:6]
READ
SDIN
6b shift
register
7b shift
register
SDOUT
CLK
Functional Description
Input/Output Characteristics
All input data must be differential and biased to PECL levels. On-chip terminations are provided, with a
nominal impedance of 50Ω. All input termination resistors are tied to V . To minimize power dissipation,
TERM
the V
supply should be biased within ±100mV of the input common-mode voltage (nominally 2.0V). The
TERM
V
supply can be biased below the input common-mode voltage at the expense of increased on-chip power
TERM
dissipation.
Data outputs are provided through differential current switches with on-chip back-terminations. The drive
level of the output circuit is designed to handle external 50Ω termination. Although external termination is not
required for correct functional operation, it is strongly recommended to assure proper signal levels and mini-
mize reflections.
Programming Interface
The switch core is programmed through a serial interface circuit that allows sequential reads or writes to
the program memory array. The program memory array is buffered to allow multiple programming instructions
to be loaded simultaneously with the CONFIG pin.
The program data is composed of two parts: output pin address and input pin address. The output pin
address, denoted by A0 through A6, specifies which output channel is to be programmed. Address bit A6 is
reserved for future expansion. The input pin address, denoted by D0 through D5, specifies which input port the
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 2
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
switch slice should connect to. The format of the program data is simple binary, where the binary value maps
directly to the switch slice position and/or input port number. For example, program data 0000100/010110
would direct output channel Y4 to connect to input channel A22.
To program the switch core, the address and data (13 bits total) for the given output port must be serially
clocked into the SDIN input. The LOAD pin must be asserted with the last serial program bit to load the pro-
gram data into the on-chip program register. The program data will be held in the register until it is either repro-
grammed or the chip is powered off. The last step to programming the switch core is to transfer the program
data to the registers that control the state of each switch slice. The transfer is completed by asserting the CON-
FIG pin. The CONFIG pin can be used as a strobe to allow multiple program commands to be implemented
simultaneously. The CONFIG pin can also be tied HIGH (always asserted) so the core will reprogram after
every LOAD pulse. See Figure 1.
To read the current programming of the switch core, the desired address to query must be clocked into the
chip’s SDIN port. The format of the program data is the same as for writing. Because of the depth of the on-chip
registers, the address bits must be followed by another 6 CLK cycles so the address data is correctly positioned
in the internal register. The dummy bits that are clocked in during the last 6 bits of the program data will be
overwritten when READ is asserted. As the last dummy bit is clocked in, the READ pin must be asserted to
load the on-chip program data into the shift register used for the serial interface logic. See Figure 2.
Figure 1: Write Sequence Timing
Write Cycle Timing
CLK
address
data
D
5
D
4
D
3
D
2
D
1
D
0
A6 A5 A4 A3 A2 A1 A0
SDIN
SDOUT
LOAD
A6 A5 A4 A3 A2 A1 A0 D5 D4 D3
CONFIG
Figure 2: Read Sequence Timing
Read Cycle Timing
CLK
address
A6 A5 A4 A3 A2 A1 A0
don't care
X
X
X
X
X
X
DIN
READ
address
data
D
5
D
4
D
3
D
2
D
1
D
0
A6 A5 A4 A3 A2 A1 A0
SDOUT
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52245-0, Rev 4.2
06/01/01
Page 3
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
DC Characteristics (All characteristics are over the specified operating conditions)
Table 1: Power
Parameter
Description
VCC supply current
Min
Typ
Max
Units
Conditions
ICC
ICCP
ITERM
PT
5400
2600
±512
-500
mA
mA
mA
µA
VCCP supply current
VTERM supply current
Total chip power (ITERM = 0)
VIN = 2.4V
VIN = 0.5V
NOTE: Specified with outputs terminated with 50Ω to +2.0V.
Table 2: Program Input Levels (TTL)
Parameter
Description
Input HIGH voltage
Min
Typ
Max
Units
Conditions
VIH
VIL
IIH
2.0
0
3.5
0.8
V
V
Input LOW voltage
Input HIGH current
Input LOW current
Output HIGH voltage
Output LOW voltage
500
-500
µA
µA
V
VIN = 2.4V
VIN = 0.5V
IOH = -2mA
IOL = 2mA
IIL
VOH
VOL
2.4
0.4
V
Table 3: Data Input Levels (Differential PECL)
Parameter
Description
Min
Typ
Typ
Max
Units
Conditions
VID
Input differential voltage
400
1.8
1000
2.3
mV
V
single-ended measurement
VTERM = VCC -1.3V
VICM
Input common-mode voltage
Table 4: Data Output Levels (Differential PECL)
Parameter
Description
Min
Max
Units
Conditions
VOD
Output differential voltage
600
1.8
1000
2.3
mV
V
See Note 1
See Note 1
VOCM
Output common-mode voltage
NOTE: (1) VCC = VCCP = 3.3V, VEE = 0V.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 4
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
AC Characteristics
Table 5: Data Path
Parameter
Description
Min
Typ
Max
Units
F
Data rate
1.6
Gb/s
ns
RATE
(1)
T
Channel-to-channel delay skew
1
SKW
t , t
High-speed input rise/fall times, 20% to 80%
High-speed output rise/fall times, 20% to 80%
250
250
100
ps
R
F
F
t , t
ps
R
(1)
t
Output delay jitter, peak-peak
ps
jP
NOTE: (1) Tested on sample basis only.
Table 6: Program Interface
Parameter
Description
Min
Typ
Max
Units
T
Serial clock period
40
16
2
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
PER(CLK)
T
Serial clock pulse width
Serial data input setup time
Serial data input hold time
READ pulse setup time
READ pulse hold time
PW(CLK)
SU(SDIN)
HO(SDIN)
SU(READ)
HO(READ)
T
T
2
T
2
T
2
T
LOAD pulse setup time
LOAD pulse hold time
2
SU(LOAD)
HO(LOAD)
T
2
(1)
T
Serial data output propagation delay
Configuration pulse delay time
Configuration pulse width
Configuration delay
10
5
PD(SDOUT)
T
3
D(CONFIG)
T
30
PW(CONFIG)
T
PD(CONFIG)
NOTE: (1) 20pF load.
Figure 3: AC Timing Diagram
Tper
Tpw
CLK
Tsu
Tsu
Tho
Tho
SDIN
READ,
LOAD
Tpd
SDOUT
CONFIG
Y(n)
Td
Tpw
LOAD asserted
Tpd
A(x)
A(y)
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52245-0, Rev 4.2
06/01/01
Page 5
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Absolute Maximum Ratings(1)
Power Supply Voltage (VCC) Potential to GND .............................................................................-0.5V to +4.0 V
TTL Input Voltage Applied .................................................................................................... -0.5V to Vcc+0.5 V
ECL Input Voltage Applied ................................................................................................... -0.5V to VCC +0.5 V
Output Current (IOUT) .................................................................................................................................... 50mA
o
o
Case Temperature Under Bias (TC)............................................................................................ -55 C to + 125 C
o
o
Storage Temperature (TSTG) ........................................................................................................-65 C to + 150 C
NOTE: (1)Caution: Stresses listed under “Absolute Maximum Ratings” may be applied to devices one at a time without causing
permanent damage. Functionality at or exceeding the values listed is not implied. Exposure to these values for extended
periods may affect device reliability.
Operating Conditions
Supply Voltage (VEE).......................................................................................................................................... 0V
Supply Voltage (VCC) ............................................................................................................................+3.3V ±5%
Supply Voltage (VCCP)...........................................................................................................................+3.3V ±5%
Termination Voltage (VTERM) ................................................................................................................. V -1.3V
CC
o
o
Case Temperature Operating Range (T).............................................................................................. 0 C to 85 C
ESD Ratings
Proper ESD procedures should be used when handling this product. The VSC852 is rated to the following
ESD voltages based on the human body model:
1. All pins are rated at or above 1000V.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 6
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Package Pin Descriptions
Figure 4: Functional Pinout Floorplan
A0 A2 A4
A62
64:1 Switch slice
64:1 Switch slice
64:1 Switch slice
64:1 Switch slice
Y0
Y2
Y1
Y3
64:1 Switch slice
64:1 Switch slice
Y62
Y63
DIN, DOUT,
READ, LOAD,
CONFIG, CLK
A1 A3 A5
A63
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
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06/01/01
Page 7
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Figure 5: Pinout Diagram
Bottom View
27 26 25 24 23 22 21 20 19 18 17 16 15 14 13 12 11 10
9
8
7
6
5
4
3
2
1
Ball grid
index
A
0
4
2
10 14 18 22 24 28
34 38 40 44 48 52
58 62
B
C
D
VCOML
6
8
12 16 20
26 30
32 36
42 46 50 54 56 60
VCOMR
E
F
Inputs [An, ANn]
G
H
VCC
J
K
VEE
L
Vterm
signal
no-connect
M
N
P
R
T
U
V
W
Y
AA
AB
AC
AD
AE
AF
AG
Inputs [An, ANn]
3
5
7
9
13 17 21
27 31
33 37
43 47 51 55 57 61
1
11 15 19 23 25 29
35 39 41 45 49 53
59 63
read
load
sdout
sdin
sclk
config
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
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Page 8
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Table 7: Pin Identifications
Signal Name
Pin
Function
Level
High-Speed Data Inputs
A0, NA0
A1, NA1
B24, A24
AF24, AG24
E23, D23
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
A2, NA2
A3, NA3
AC23, AD23
B23, A23
A4, NA4
A5, NA5
AF23, AG23
E22, D22
A6, NA6
A7, NA7
AC22, AD22
E21, D21
A8, NA8
A9, NA9
AC21, AD21
B21, A21
A10, NA10
A11, NA11
A12, NA12
A13, NA13
A14, NA14
A15, NA15
A16, NA16
A17, NA17
A18, NA18
A19, NA19
A20, NA20
A21, NA21
A22, NA22
A23, NA23
A24, NA24
A25, NA25
A26, NA26
A27, NA27
A28, NA28
A29, NA29
A30, NA30
A31, NA31
A32, NA32
A33, NA33
A34, NA34
A35, NA35
AF21, AG21
E20, D20
AC20, AD20
B20, A20
AF20, AG20
E19, D19
AC19, AD19
B19, A19
AF19, AG19
E18, D18
AC18, AD18
B18, A18
AF18, AG18
B17, A17
AF17, AG17
E16, D16
AC16, AD16
B16, A16
AF16, AG16
E15, D15
AC15, AD15
D13, E13
AD13, AC13
A12, B12
AG12, AF12
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Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
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G52245-0, Rev 4.2
06/01/01
Page 9
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Signal Name
Pin
Function
Level
A36, NA36
A37, NA37
A38, NA38
A39, NA39
A40, NA40
A41, NA41
A42, NA42
A43, NA43
A44, NA44
A45, NA45
A46, NA46
A47, NA47
A48, NA48
A49, NA49
A50, NA50
A51, NA51
A52, NA52
A53, NA53
A54, NA54
A55, NA55
A56, NA56
A57, NA57
A58, NA58
A59, NA59
A60, NA60
A61, NA61
A62, NA62
A63, NA63
D12, E12
AD12, AC12
A11, B11
AG11, AF11
A10, B10
AG10, AF10
D10, E10
AD10, AC10
A9, B9
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
Data Input
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
AG9, AF9
D9, E9
AD9, AC9
A8, B8
AG8, AF8
D8, E8
AD8, AC8
A7, B7
AG7, AF7
D7, E7
AD7, AC7
D6, E6
AD6, AC6
A5, B5
AG5, AF5
D5, E5
AD5, AC5
A4, B4
AG4, AF4
High-Speed Data Outputs
Y0, YN0
Y1, YN1
Y2, YN2
Y3, YN3
Y4, YN4
Y5, YN5
Y6, YN6
Y7, YN7
Y8, YN8
Y9, YN9
F4, F5
F24, F23
F2, F1
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
F26, F27
G4, G5
G24, G23
G2, G1
G26, G27
H4, H5
H24, H23
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Page 10
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Signal Name
Pin
Function
Level
Y10, YN10
Y11, YN11
Y12, YN12
Y13, YN13
Y14, YN14
Y15, YN15
Y16, YN16
Y17, YN17
Y18, YN18
Y19, YN19
Y20, YN20
Y21, YN21
Y22, YN22
Y23, YN23
Y24, YN24
Y25, YN25
Y26, YN26
Y27, YN27
Y28, YN28
Y29, YN29
Y30, YN30
Y31, YN31
Y32, YN32
Y33, YN33
Y34, YN34
Y35, YN35
Y36, YN36
Y37, YN37
Y38, YN38
Y39, YN39
Y40, YN40
Y41, YN41
Y42, YN42
Y43, YN43
Y44, YN44
Y45, YN45
Y46, YN46
Y47, YN47
H2, H1
H26, H27
J4, J5
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
J24, J23
J2, J1
J26, J27
K4, K5
K24, K23
K2, K1
K26, K27
L4, L5
L24, L23
L2, L1
L26, L27
M4, M5
M24, M23
M2, M1
M26, M27
N4, N5
N24, N23
N2, N1
N26, N27
P4, P5
P24, P23
R1, R2
R27, R26
R4, R5
R24, R23
T1, T2
T27, T26
T4, T5
T24, T23
U1, U2
U27, U26
U4, U5
U24, U23
V1, V2
V27, V26
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G52245-0, Rev 4.2
06/01/01
Page 11
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Signal Name
Pin
Function
Level
Y48, YN48
Y49, YN49
Y50, YN50
Y51, YN51
Y52, YN52
Y53, YN53
Y54, YN54
Y55, YN55
Y56, YN56
Y57, YN57
Y58, YN58
Y59, YN59
Y60, YN60
Y61, YN61
Y62, YN62
Y63, YN63
V4, V5
V24, V23
W1, W2
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
Data Output
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
PECL
W27, W26
W4, W5
W24, W23
Y1, Y2
Y27, Y26
Y4, Y5
Y24, Y23
AA1, AA2
AA27, AA26
AA4, AA5
AA24, AA23
AB1, AB2
AB27, AB26
Serial Programming Port
SDIN
SCLK
AG13
AG14
AG15
AF14
AF15
AF13
Serial program data input
Serial programming clock
Serial input load strobe
TTL
TTL
TTL
TTL
TTL
TTL
LOAD
CONFIG
READ
Switch configuration strobe
Programming read/write control
Serial data ouput
SDOUT
Power Supplies
A1, A2, A25, A26, A27, A3,
AC1, AC2, AC24, AC26,
AC27, AC4, AD1, AD2,
AD24, AD25, AD26, AD27,
AD3, AD4, AE1, AE11,
AE14, AE17, AE2, AE24,
AE25, AE26, AE27, AE3,
AE4, AF1, AF2, AF25,
AF26, AF27, AF3, AG1,
AG2, AG25, AG26, AG27,
AG3, B1, B2, B25, B26,
B27, B3, C1, C11, C14, C17,
C2, C24, C25, C26, C27, C3,
C4, D1, D2, D24, D25, D26,
D27, D3, D4, E1, E2, E24,
E26, E27, E4
VCC
Power
+3.3V
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 12
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Signal Name
Pin
Function
Level
AC14, AD14, AE10, AE12,
AE13, AE15, AE16, AE18,
AE19, AE20, AE21, AE22,
AE23, AE5, AE6, AE7,
AE8, AE9, C10, C12, C13,
C15, C16, C18, C19, C20,
C21, C22, C23, C5, C6, C7,
C8, C9, D14, E14, P1, P2,
P26, P27
VEE
Power
GND
VEEP0
VEEP1
F3
F25
G3
Power for Y0, YN0, Y2, YN2
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
Power for Y1, YN1, Y3, YN3
VEEP2
Power for Y4, YN4, Y6, YN6
VEEP3
G25
H3
Power for Y5, YN5, Y7, YN7
VEEP4
Power for Y8, YN8, Y10, YN10
Power for Y9, YN9, Y11, YN11
Power for Y12, YN12, Y14, YN14
Power for Y13, YN13, Y15, YN15
Power for Y16, YN16, Y18, YN18
Power for Y17, YN17, Y19, YN19
Power for Y20, YN20, Y22, YN22
Power for Y21, YN21, Y23, YN23
Power for Y24, YN24, Y26, YN26
Power for Y25, YN25, Y27, YN27
Power for Y28, YN28, Y30, YN30
Power for Y29, YN29, Y31, YN31
Power for Y32, YN32, Y34, YN34
Power for Y33, YN33, Y35, YN35
Power for Y36, YN36, Y38, YN38
Power for Y37, YN37, Y39, YN39
Power for Y40, YN40, Y42, YN42
Power for Y41, YN41, Y43, YN43
Power for Y44, YN44, Y46, YN46
Power for Y45, YN45, Y47, YN47
Power for Y48, YN48, Y50, YN50
Power for Y49, YN49, Y51, YN51
Power for Y52, YN52, Y54, YN54
Power for Y53, YN53, Y55, YN55
Power for Y56, YN56, Y58, YN58
Power for Y57, YN57, Y59, YN59
Power for Y60, YN60, Y62, YN62
VEEP5
H25
J3
VEEP6
VEEP7
J25
K3
VEEP8
VEEP9
K25
L3
VEEP10
VEEP11
VEEP12
VEEP13
VEEP14
VEEP15
VEEP16
VEEP17
VEEP18
VEEP19
VEEP20
VEEP21
VEEP22
VEEP23
VEEP24
VEEP25
VEEP26
VEEP27
VEEP28
VEEP29
VEEP30
L25
M3
M25
N3
N25
P3
P25
R3
R25
T3
T25
U3
U25
V3
V25
W3
W25
Y3
Y25
AA3
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52245-0, Rev 4.2
06/01/01
Page 13
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Signal Name
Pin
Function
Level
VEEP31
VTERM0
VTERM1
VTERM2
VTERM3
AA25
Power for Y61, YN61, Y63, YN63
Termination supply for A0 - AN28
Termination supply for A1 - AN31
Termination supply for A34 - NA62
Termination supply for A33 - NA63
GND
+2.0V
+2.0V
+2.0V
+2.0V
AC17, AD17, AF22, AG22
A22, B22, D17, E17
AC11, AD11, AF6, AG6
A6, B6, D11, E11
Misc
VCOML
VCOMR
NC1
E25
E3
Bias level for Y1 - YN63
ANALOG
ANALOG
No Connect(1)
No Connect(1)
Bias level for Y0 - YN63
AB4
AB5
—
—
NC2
NOTE: (1) No connect (NC) pins must be left unconnected. Connecting this pin to either the positive or negative power supply
rails may cause improper operation or failure of the device or in extreme cases, cause permanent damage to the device.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 14
G52245-0, Rev 4.2
06/01/01
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Package Information
35mm 440 TGBA Package Drawing
BOTTOM VIEW
c
A1
26 24 22 20 18 16 14 12 10
8
6
4
2
10
27 25 23 21 19 17 15 13 11
9
7
5
3
1
A
A
C
E
G
J
J
B
D
/ / ccc
-C-
C
F
H
K
L
P
M
P
N
6
R
aaa
C
T
5
U
V
W
Y
AA
AC
AE
AG
AB
AD
AF
0.10
D
-A-
11
e
-B-
CORNER
D1
E
00.30
00.10
S
S
C
C
A
S
B
S
b
4
45 DEGREE 0.5MM CHAMFER (4 PLCS)
TOP VIEW
NOTES:
DIMENSIONAL REFERENCES
NOM.
1.80
0.65
MAX.
1.95
0.70
REF.
A
A1
D
MIN.
1.65
0.60
1. ALL DIMENSIONS ARE IN MILLIMETERS.
2. "e" REPRESENTS THE BASIC SOLDER BALL GRID PITCH.
3. "M" REPRESENTS THE BASIC SOLDER BALL MATRIX SIZE,
AND SYMBOL "N" IS THE MAXIMUM ALLOWABLE NUMBER OF
BALLS AFTER DEPOPULATING.
8
35.00
35.20
34.80
33.02 (BSC.)
D1
4. "b" IS MEASURED AT THE MAXIMUM SOLDER BALL DIAMETER
PARALLEL TO PRIMARY DATUM -C- .
E
E1
35.20
34.80
35.00
33.02 (BSC.)
5.
DIMENSION "aaa" IS MEASURED PARALLEL TO PRIMARY DATUM -C- .
6. PRIMARY DATUM -C- AND SEATING PLANE ARE DEFINED BY THE
SPHERICAL CROWNS OF THE SOLDER BALLS.
0.65
1.05
0.75
1.15
0.85
1.25
b
c
7. PACKAGE SURFACE SHALL BE NICKEL PLATED.
8. AFTER SURFACE MOUNT ASSEMBLY, SOLDER BALL WILL
HAVE 0.15mm(TYP.) COLLAPSE IN "A" DIMENSION.
9. SUBSTRATE MATERIAL BASE IS COPPER.
27
440
M
N
aaa
10. BILATERAL TOLERANCE ZONE IS APPLIED TO EACH SIDE OF PACKAGE BODY
0.15
0.15
11. 45 DEG. 0.5mm CHAMFER CORNER AND WHITE DOT FOR PIN 1 IDENTIFICATION
12. ENCAPSULANT SIZE MAY VARY WITH DIE SIZE.
ccc
e
P
J
1.27 TYP.
13. CAVITY DEPTH C1 VARIOUS WITH DIE THICKNESS.
0.25
0.25
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
G52245-0, Rev 4.2
06/01/01
Page 15
VITESSE
SEMICONDUCTOR CORPORATION
Data Sheet
1.6Gb/s 64x64
Crosspoint Switch
VSC852
Ordering Information
The order number for this product is formed by a combination of the device number, and package type.
XX
VSC852
Device Number
VSC852:
1.6GHz 64x64 Crosspoint Switch
Package Style
TV: 440 TGBA
Notice
Vitesse Semiconductor Corporation (“Vitesse”) provides this document for informational purposes only. All information in this document, includ-
ing descriptions of features, functions, performance, technical specifications and availability, is subject to change without notice at any time. Noth-
ing contained in this document shall be construed as extending any warranty or promise, express or implied, that any Vitesse product will be
available as described or will be suitable for or will accomplish any particular task.
Vitesse products are not intended for use in life support appliances, devices or systems. Use of a Vitesse product in such applications without writ-
ten consent is prohibited.
© VITESSE SEMICONDUCTOR CORPORATION • 741 Calle Plano • Camarillo, CA 93012
Tel: (800)-VITESSE • FAX: (805) 987-5896 • Email: prodinfo@vitesse.com
Internet: www.vitesse.com
Page 16
G52245-0, Rev 4.2
06/01/01
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