參數(shù)資料
型號: TNETA1560
廠商: Texas Instruments, Inc.
英文描述: ATM Segmentation and Reassembly Device with SBUS Host Interface(ATM 分段和重設裝置帶SBUS主機接口)
中文描述: 自動柜員機分段和重組與SBus主機接口(自動柜員機分段和重設裝置帶SBU的主機接口設備)
文件頁數(shù): 10/40頁
文件大?。?/td> 804K
代理商: TNETA1560
TNETA1560
ATM SEGMENTATION AND REASSEMBLY DEVICE
WITH SBUS HOST INTERFACE
SDNS010C – JANUARY 1994 – REVISED OCTOBER 1995
10
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements (see Figure 4)
NO.
MIN
MAX
UNIT
1
tw(SBCLKH)
tw(SBCLKL)
tsu(SBBG)
tsu(SBD)
tsu(SBACK)
th(SBD)
th(SBACK)
th(SBBG)
Pulse duration, SBCLK high
17
ns
2
Pulse duration, SBCLK low
17
ns
3
Setup time, SBBG low before SBCLK
15
ns
4
Setup time, SBD31–SBD0 valid before SBCLK
15
ns
5
Setup time, SBACK2–SBACK0 valid before SBCLK
15
ns
6
Hold time, SBD31–SBD0 valid after SBCLK
4
ns
7
Hold time, SBACK2–SBACK0 valid after SBCLK
1
ns
8
Hold time, SBBG low after SBCLK
2
ns
operating characteristics (see Figure 4)
NO.
9
10
11
12
MIN
MAX
UNIT
td(SBBR)
td(SBD)
td(SBRD)
td(SBSIZ)
Delay time, SBCLK
to SBBR
2.5
22
ns
Delay time, SBCLK
to SBD31–SBD0 valid
2.5
22
ns
Delay time, SBCLK
to SBRD
2.5
22
ns
Delay time, SBCLK
to SBSIZ2–SBSIZ0 valid
2.5
22
ns
The values are given for operation with a 25-MHz SBus clock.
7
SBCLK
(input)
SBBR
(output)
SBBG
(input)
SBD31–
SBD0
(I/O)
SBRD
(output)
SBSIZ2–
SBSIZ0
(output)
SBPA
(input)
9
3
10
11
12
Word 0
Word 1
Word 3
VA
1
2
6
4
8
5
3
3
3
3
7
7
7
7
SBACK2–
SBACK0
(input)
VA = Virtual address
Word 2
Figure 4. TNETA1560 Read Operation (TNETA1560 as Master in This Burst Transfer)
相關PDF資料
PDF描述
TNETA1561 ATM Segmentation and Reassembly Device with PCI Host Interface(ATM 分段和重設裝置帶SBUS主機接口)
TNETA1600 SONET/SDH ATM Receiver/Transmitter for 622.08-Mit/s or 155.52-Mbit/s Operation(SONET/SDH ATM接收器/傳送器)
TNETA1610 STS-12c/STM-4 Receiver/Transmitter with Clock Recovery/Generation(STS-12C/STM-4接收/傳送器)
TNETA1611 STS-12c/STM-4 Receiver/Transimitter(STS-12C/STM-4接收/傳送器)
TNETA1630 622.08-MHz Clock-Recovery Device(622.08-MHz時鐘發(fā)生裝置)
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