![](http://datasheet.mmic.net.cn/370000/TSWC01622_datasheet_16743166/TSWC01622_2.png)
TSWC01622 SONET/SDH/PDH/ATM
Clock Synthesizer and Protection Switch
Product Brief
September 2000
Lucent Technologies Inc. reserves the right to make changes to the product(s) or information contained herein without notice. No liability is assumed as a result of their use or application. No
rights under any patent accompany the sale of any such product(s) or information.
Copyright 2000 Lucent Technologies Inc.
All Rights Reserved
September 2000
PB00-144HSPL
For additional information, contact your Microelectronics Group Account Manager or the following:
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http://www.lucent.com/micro
E-MAIL:
docmaster@micro.lucent.com
N. AMERICA:
Microelectronics Group, Lucent Technologies Inc., 555 Union Boulevard, Room 30L-15P-BA, Allentown, PA 18109-3286
1-800-372-2447
, FAX 610-712-4106 (In CANADA:
1-800-553-2448
, FAX 610-712-4106)
ASIA PACIFIC: Microelectronics Group, Lucent Technologies Singapore Pte. Ltd., 77 Science Park Drive, #03-18 Cintech III, Singapore 118256
Tel. (65) 778 8833
, FAX (65) 777 7495
CHINA:
Microelectronics Group, Lucent Technologies (China) Co., Ltd., A-F2, 23/F, Zao Fong Universe Building, 1800 Zhong Shan Xi Road, Shanghai
200233 P. R. China
Tel. (86) 21 6440 0468
,
ext. 325
, FAX (86) 21 6440 0652
JAPAN:
Microelectronics Group, Lucent Technologies Japan Ltd., 7-18, Higashi-Gotanda 2-chome, Shinagawa-ku, Tokyo 141, Japan
Tel. (81) 3 5421 1600
, FAX (81) 3 5421 1700
EUROPE:
Data Requests: MICROELECTRONICS GROUP DATALINE:
Tel. (44) 7000 582 368
, FAX (44) 1189 328 148
Technical Inquiries: GERMANY:
(49) 89 95086 0
(Munich), UNITED KINGDOM:
(44) 1344 865 900
(Ascot),
FRANCE:
(33) 1 40 83 68 00
(Paris), SWEDEN:
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(358) 9 3507670
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ITALY:
(39) 02 6608131
(Milan), SPAIN:
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(Madrid)
Description
(continued)
0795(F)r.1
Figure 1. Functional Block Diagram of TSWC01622
SDHSEL[3:0]
CK19
CK38
CK51
CK77
CK155N[1:0]
CK155P[1:0]
PCK155N[1:0]
PCK155P[1:0]
CK622N[1:0]
CK622P[1:0]
PCK622N[1:0]
PCK622P[1:0]
SYPCLN[1:0]
SYPCLP[1:0]
SYLVSN[1:0]
SYLVSP[1:0]
SYNC8K
SYDU
SYOFFPOS
SYOFF[9:0]
TSTCLKN
VBB
VNGATES
VC[P:N]
LF[P:N]
INLOSN
LSVCO
LOOP
FILTER
LF[2:0]
RREF
MONB
MONA
PD
DIVIDE
LOC
DIVIDE
SYNC
OFFSET
D
Q
BASED ON SDHSEL
SONET
CLOCK
GEN.
DIVIDE
ENABLE
TEST
CLOCK
VCO
CHARGE
PUMP/
LOOP
FILTER
PD
LOSS OF
CLOCK
BACKUP
CONTROL
AND
SWITCH
STATE
MACHINE
PDH
CLOCK
GEN.
INTERNAL
TEST
CONTROL
PHASE
COMPARE
LOSS OF
CLOCK A
DIVIDE
BY M
RSVA
CLKAP
CLKAN
CLKA
CLKBP
CLKBN
CLKB
SELLVDS
FINSEL[3:0]
RSVB
CLKBU
FBUSEL[3:0]
SELCLK
SELBUN
AUTOSWN
REVERTN
SWCONTN
ENSQLN
ENLON
LORSTN
RESETN
SWSTATE[1:0]
INT[8:0]
CKPDH5
CKPDH4
CKPDH3
CKPDH2
CKPDH1
PDHSEL[3:0]
TSTMODE
SERCLK
SERENBLN
SERDAT
LOSS OF
CLOCK B
DIVIDE
BY M
DIVIDE
BY N
38.88 MHz
CHARGE
PUMP
VCXO
38.88 MHz