28478G-18 Mindspeed Technologies, 28478G-18 Datasheet - Page 184

• 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 7-16. Serial Interface Clock (RCLK,TCLK) Waveform
Table 7-18.
Figure 7-17. Serial Interface Data Input Waveform
28478-DSH-002-E
V
V
V
V
—
FOOTNOTE:
(1)
(2)
th
tl
test
max
The input test for the 3.3 V environment is done with 0.1 V
more overdrive than this. Production testing can use different voltage values, but must correlate results back to these parameters.
V
voltage values, but must correlate results back to these parameters.
max
specifies the maximum peak-to-peak voltage waveform allowed for measuring input timing. Production testing can use different
Symbol
TSYNC, RSYNC, ROOF, RDAT
TSYNC, RSYNC, ROOF, RDAT
Serial Interface I/O Measure Conditions for 3.3 V Signaling
RCLK, TCLK
Voltage Threshold High
Voltage Threshold Low
Voltage Test Point
Maximum Peak-to-Peak
Input Signal Edge Rate
Preliminary Information / Mindspeed Proprietary and Confidential
(Falling Edge)
(Rising Edge)
RCLK, TCLK
V
V
th
tl
Mindspeed Technologies
(1)
(1)
(2)
Parameter
V
test
V
V
dd
th
tl
of overdrive (over V
T
ds
V
T
V
V
h
dh
test
test
T
val
V
Electrical and Mechanical Specifications
T
ds
test
®
ih
and V
T
dh
V
test
il
). Timing parameters must be met with no
V
V
T
th
0.6 V
0.2 V
0.4 V
0.4 V
1
tl
V
val
test
dd
dd
dd
dd
Value
V
V
th
tl
V
V
max
max
Units
V/ns
V
V
V
V
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