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): 12/49頁
文件大小: 976K
代理商: TNETA1561
TNETA1561
ATM SEGMENTATION AND REASSEMBLY DEVICE
WITH PCI HOST INTERFACE
SDNS028B – OCTOBER 1994 – REVISED JANUARY 1996
12
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
timing requirements (see Figure 5)
NO.
MIN
MAX
UNIT
1
tsu(PIDSEL)
Setup time, PIDSEL high before PCLK
7
ns
2
tsu(PAD)
Setup time, PAD31–PAD0 valid before PCLK
7
ns
3
tsu(PCBE)
Setup time, PCBE3–PCBE0 valid before PCLK
7
ns
4
tsu(PIRDY)
Setup time, PIRDY low before PCLK
7
ns
5
th(PIDSEL)
Hold time, PIDSEL high after PCLK
1
ns
6
th(PAD)
Hold time, PAD31–PAD0 valid after PCLK
0
ns
7
th(PCBE)
Hold time, PCBE3–PCBE0 valid after PCLK
1
ns
8
th(PIRDY)
Hold time, PIRDY low after PCLK
1
ns
operating characteristics (see Figure 5)
NO.
MIN
MAX
UNIT
9
td(PAD)
Delay time, PCLK
to PAD31–PAD0 valid
2
11
ns
10
td(PTRDY)
Delay time, PCLK
to PTRDY
2
11
ns
11
td(PDEVSEL)
Delay time, PCLK
to PDEVSEL
2
11
ns
PCLK
(input)
PIDSEL
(input)
PAD31–
PAD0
(I/O)
PFRAME
(input)
PCBE3–
PCBE0
(input)
PIRDY
(input)
PTRDY
(output)
PDEVSEL
(output)
Address
Bus Cmd
5
1
7
BE
3
Data
8
Address
Phase
6
2
4
10
Data Phase
9
11
Figure 5. TNETA1561 Read Operation (PCI SAR as Slave)
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