28478G-18 Mindspeed Technologies, 28478G-18 Datasheet - Page 178

• Manufacturer Part Number: 28478G-18
• Description: Multichannel Synchronous Communications Controller 208-Pin BGA
• Manufacturer: Mindspeed Technologies

Specifications of 28478G-18

• Package: 208BGA
• Maximum Data Rate: 32768 Kbps
• Transmission Media Type: Wire
• Power Supply Type: Analog
• Typical Supply Current: 250 mA
• Typical Operating Supply Voltage: 3.3 V
• Minimum Operating Supply Voltage: 3 V
• Maximum Operating Supply Voltage: 3.6 V

Figure 7-9.
Table 7-12.
Figure 7-10. EBUS Reset Timing
Table 7-13.
28478-DSH-002-E
T
T
T
T
T
T
T
FOOTNOTE:
(1)
off
on
off
val
val
ds
ds
GENERAL NOTE:
(ptp)
(ptp)
For purposes of active/float timing measurements, the high-Z or off state is when the total current delivered through the component pin
is less than or equal to the leakage current specification.
Symbol
Symbol
ECLK to PCKL Relationship (M66EN = 1)
EBUS Reset Parameters
The EBUS reset is dependent on the PRST* (PCI Reset) signal being asserted low.
EBUS I/O Timing Parameters (1 of 2)
PCI Clock to Signal Valid Delay—Bused Signal
PCI Clock to Signal Valid Delay—Point To Point
Float to Active Delay
Active to Float Delay
Input Setup Time to Clock—Bused Signal
Input Setup Time to Clock—Point To Point
Active to Inactive Delay
8478_031a
PCLK
ECLK
Preliminary Information / Mindspeed Proprietary and Confidential
8478_032
(2)
(2)
Parameter
Three-state
(1)
Parameter
Output
Reset
EBUS
EBUS
Input
PCI
Mindspeed Technologies
(1)
(1)
T
Min
—
off
Electrical and Mechanical Specifications
®
T
Min
de
—
—
2
2
3
3
Input Ignored
Reset Period
Three-state
Max
30
Max
15
15
30
30
—
—
Units
Units
ns
ns
ns
ns
ns
ns
ns
165