參數(shù)資料
型號: SC2000
廠商: NXP SEMICONDUCTORS
元件分類: 路由/交換
英文描述: Universal Timeslot Interchange
中文描述: TELECOM, DIGITAL TIME SWITCH, PQCC68
封裝: PLASTIC, LCC-68
文件頁數(shù): 32/44頁
文件大?。?/td> 221K
代理商: SC2000
2000 Sep 07
32
Philips Semiconductors
Preliminary specification
Universal Timeslot Interchange
SC2000
Figure 10.
CLK_IN, SYNC_IN — SCbus Mode (CLK_IN Divider
4)
Table 10.
CLK_IN, SYNC_IN — SCbus Mode (CLK_IN Divider
4)
Symbol
Parameter
Mn
Typ
Max
Unit
t1
CLK_IN period
122
ns
t2
CLK_IN high time
61
ns
t3
CLK_IN low time
61
ns
t4
SYNC_IN low setup to CLK_IN
(PEB conventional)
10
ns
t5
SYNC_IN low hold fromCLK_IN
(PEB conventional)
10
ns
t6
SYNC_IN high setup to CLK_IN
(PEB conventional)
10
ns
t7
SYNC_IN high hold fromCLK_IN
(PEB conventional)
10
ns
t8
SYNC_IN setup to CLK_IN
(ST-BUS)
10
ns
t9
SYNC_IN hold fromCLK_IN
(ST-BUS)
10
ns
t10a
SCLKx2*
delay fromCLK_IN
(PEB conventional)
25
ns
t10b
SCLKx2*
delay fromCLK_IN
(ST-BUS)
25
ns
t11a
SCLKx2*
delay fromCLK_IN
(PEB conventional)
25
ns
t11b
SCLKx2*
delay fromCLK_IN
(ST-BUS)
25
ns
t12a
SCLK
delay fromCLK_IN
(PEB conventional)
25
ns
t12b
SCLK
delay fromCLK_IN
(ST-BUS)
25
ns
t13a
SCLK
delay fromCLK_IN
(PEB conventional)
25
ns
t13b
SCLK
delay fromCLK_IN
(ST-BUS)
25
ns
t14
FSYNC*
delay fromSCLKx2*
30
ns
t15
FSYNC*
delay fromSCLKx2*
30
ns
Note:
1. Timng measured with 200 pF load on all SCbus outputs.
t1
t2
t3
t1
t2
t3
t4
t5
t6
t7
t8
t9
t10a
t10b
t11a
t11b
t12a
t12b
t13a
t13b
t14
t15
CLK_IN (Conventional)
SYNC_IN (Conventional)
CLK_IN (ST-BUS)
SYNC_IN (ST-BUS)
SCLKX2*
SCLK
FSYNC*
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