參數(shù)資料
型號: TNETA1561
廠商: Texas Instruments, Inc.
英文描述: ATM Segmentation and Reassembly Device with PCI Host Interface(ATM 分段和重設(shè)裝置帶SBUS主機接口)
中文描述: 自動柜員機分段和重組的PCI主機接口(自動柜員機分段和重設(shè)裝置帶SBU的主機接口設(shè)備)
文件頁數(shù): 9/49頁
文件大?。?/td> 976K
代理商: TNETA1561
TNETA1561
ATM SEGMENTATION AND REASSEMBLY DEVICE
WITH PCI HOST INTERFACE
SDNS028B – OCTOBER 1994 – REVISED JANUARY 1996
9
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements (see Note 5 and Figure 2)
NO.
MIN
MAX
UNIT
1
tw(TCLKH)
tw(TCLKL)
tsu(TXFULL)
th(TXFULL)
Pulse duration, TCLK high
12
18
ns
2
Pulse duration, TCLK low
12
18
ns
3
Setup time, TXFULL low before TCLK
10
ns
4
Hold time, TXFULL low after TCLK
1
ns
NOTE 5: All output signals are generated on the rising edge of RCLK. All inputs are sampled on the rising edge of TCLK.
operating characteristics (see Note 5 and Figure 2)
NO.
MIN
MAX
UNIT
5
td(TXENABLE)
td(TSOC)
td(TDATA)
Delay time, TCLK
to TXENABLE
1
20
ns
6
Delay time, TCLK
to TSOC
1
20
ns
7
Delay time, TCLK
to TDATA7–TDATA0 valid
1
20
ns
NOTE 5: All output signals are generated on the rising edge of RCLK. All inputs are sampled on the rising edge of TCLK.
TDATA7–
TDATA0
(output)
TXENABLE
(output)
TCLK
(output)
1
2
TSOC
(output)
6
7
TXFULL
(input)
Byte 1
Byte 2
Byte 3
Byte 48
Input
Ignored
Byte 49
Byte 47
Byte 50
4
3
5
Figure 2. Transmit-Cell Interface
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