参数资料
型号: SYM53C180I2
厂商: LSI CORP
元件分类: 总线控制器
英文描述: SCSI BUS CONTROLLER, PBGA192
封装: 23 X 23 MM, 1.27 MM PITCH, PLASTIC, BGA-192
文件页数: 48/78页
文件大小: 1073K
代理商: SYM53C180I2
3-18
Specications
Figure 3.14 Input/Output Timing - Double Transition
Table 3.20
Output Timing - Double Transition
Symbol Parameter
Min
Max
Units
tDT5
Output data setup
Nominal: negotiated/2
ns
tDT6
Output data hold
Nominal: negotiated/2
ns
tDT7
Output REQ/ACK pulse width
max [negotiated ns,
tDT3 5]
max [negotiated ns,
tDT3 +5]
ns
tDT8
REQ/ACK transport delay
25 ns if REQ/ACK is
clock for input data,
10 ns if not
50 ns if REQ/ACK is
clock for input data,
30 ns if not
ns
Note: Pulse width is a negotiated value and ranges from 12.5 to over 1000 ns.
tDT3
SREQ/SACK
Receive Data
(SD[15:0]/)
tDT4
tDT1
tDT2
tDT1
tDT2
Send Data
(SD[15:0]/)
Output
tDT5
tDT6
tDT8
tDT7
REQ/ACK
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