MSC8101 Datasheet

  • MSC8101

  • Networking Digital Signal Processor

  • 1873.07KB

  • Motorola

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Physical and Electrical Specifications
Table 2-17.
No.
31a
AC Timing for SIU Outputs
Maximum
2
Min.
30 pF
50 pF
6.5
5.5
4.5
5.0
5.5
5.0
7.8
7.0
7.0
5.0
6.5
7.5
5.5
8.0
7.0
5.5
6.0
5.5
5.0
6.0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Characteristic
TA delay from the 50% level of the DLLIN rising edge
鈥?Pipeline mode
鈥?Non-pipeline mode
TEA delay from the 50% level of the DLLIN rising edge
鈥?Pipeline mode
鈥?Non-pipeline mode
PSDVAL delay from the 50% level of the DLLIN rising edge
鈥?Pipeline mode
鈥?Non-pipeline mode
Address bus delay from the 50% level of the DLLIN rising edge
鈥?Multi master mode (SIUBCR[EBM] = 1)
鈥?Single master mode (SIUBCR[EBM] = 0)
Address attributes: TT/TBST/TSIZ/GBL delay from the 50% level of the DLLIN rising edge
BADDR delay from the 50% level of the DLLIN rising edge
Data bus delay from the 50% level of the DLLIN rising edge
鈥?Pipeline mode
鈥?Non-pipeline mode
DP delay from the 50% level of the DLLIN rising edge
鈥?Pipeline mode
鈥?Non-pipeline mode
Memory controller signals/ALE delay from the 50% level of the DLLIN rising edge
DBG/BR/DBB delay from the 50% level of the DLLIN rising edge
AACK/ABB/CS delay from the 50% level of the DLLIN rising edge
BG delay from the 50% level of the DLLIN rising edge
TS delay from the 50% level of the DLLIN rising edge
Delay from the 50% level of the DLLIN rising edge for all other signals
1.
Units
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
1.0
5.0
4.0
3.0
3.5
4.0
3.5
6.3
5.5
5.5
3.5
5.0
6.0
4.0
6.5
5.5
4.0
4.5
4.0
3.5
4.5
31b
31c
32a
32b
32c
33a
33b
34
35a
35b
35c
35d
36
Notes:
2.
The maximum bus frequency depends on the mode:
鈥?In 60x-compatible mode connected to another MSC8101 device, the frequency is determined by adding the input and output
longest timing values, which results in a frequency of 75 MHz for 30 pF output capacitance. In multi-master mode when
connected to another MSC8101 device, the frequency is determined by adding the input and output longest timing values,
which results in a frequency of 75 MHz for 30 pF output capacitance.
鈥?Certain bus modes, such as non-extra cycle (EXDD = 1), non-pipelined, and ECC/Parity modes, result in slower bus
frequencies.
鈥?In single-master mode, the frequency depends on the timing of the devices connected to the MSC8101.
Output specifications are measured from the 50% level of the rising edge of DLLIN to the 50% level of the signal. Timings are
measured at the pin.
MSC8101 Technical Data, Rev. 16
2-14
Freescale Semiconductor

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