參數(shù)資料
型號: TNET3001
廠商: Texas Instruments, Inc.
英文描述: SONET STS-1 Overhead Terminator(SONET STS-1附加終端)
中文描述: SONET的STS - 1的開銷終結(jié)者(SONET的STS - 1的附加終端)
文件頁數(shù): 13/49頁
文件大?。?/td> 1090K
代理商: TNET3001
TNETS3001
SONET STS-1 OVERHEAD TERMINATOR
SDNS007B – OCTOBER 1993 – REVISED JUNE 1995
13
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements, C
L
= 15 pF (see Note 4 and Figure 4)
NO.
MIN
MAX
UNIT
1
tsu(OTDI)
th(OTDI)
Setup time, OTDI valid before OTCO
ns
2
Hold time, OTDI valid after OTCO
ns
operating characteristics, C
L
= 15 pF (see Note 4 and Figure 4)
NO.
MIN
TYP
MAX
UNIT
3
tc(OTCO)
tw(ORCOH)
tw(OTCOL)
td(LTFR)
td(STFR)
td(TAP)
Clock cycle time, OTCO
1736
ns
4
Pulse duration, ORCO high
868
ns
5
Pulse duration, ORCO low
868
ns
6
Delay time, OTCO
to LTFR
ns
6
Delay time, OTCO
to STFR
ns
7
Delay time, OTCO
to TAP
ns
NOTE 4: Timing intervals are measured at (VOH–VOL)/2 or (VIH–VIL)/2 as applicable.
OTCO
(output)
OTDI
(input)
E1 Byte
K1 Byte
K2 Byte
E2 Byte
Empty
E1 Byte
STFR
(output)
TAP
(output)
LTFR
(output)
Two Empty
Bytes
Two Empty
Bytes
Section
Orderwire
APS Bytes
Line
Orderwire
Section
Orderwire
OTDI
OTCO
3
4
5
LTFR
STFR
6
MSB
Orderwire
ALTOW = 0 ALTOW = 1
(bit 3, address 0FA)
OTDI
OTCO
TAP
7
LSB
K1 Byte
2
1
Figure 4. APS and Orderwire Input Timing
P
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