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PDF SM8750AV Data sheet ( Hoja de datos )
| Número de pieza | SM8750AV | |
| Descripción | Data Jitter Measurement IC | |
| Fabricantes | Nippon Precision Circuits Inc | |
| Logotipo |  |
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NIPPON PRECISION CIRCUITS INC.
SM8750AV
Data Jitter Measurement IC
OVERVIEW
The SM8750AV is a data jitter measurement CMOS LSI for adaptive control.
FEATURES
s RDCLK and DATA signal phase difference to
voltage converter (75mV/ns (typ) coefficient)
s RDCLK duty auto-adjust function (rising edge
reference)
s DATA signal delay auto-adjust function (indepen-
dently adjusted on rising and falling edges)
s Offset auto-calibration function
s 3-wire serial interface mode control
s Sleep function
s Single 5V supply
s 16-pin VSOP
APPLICATIONS
s Optical disc equipment
• CD-R
• CD-RW
• DVD-RAM
• Others
s Control/governing equipment
ORDERING INFORMATION
PINOUT
Top view
START
DATA
CALMON
RDCLK
LIMIT
SENB
SCLK
SDATA
1
8
16 VDD
TVOUT
VREF2
RCP
RDUTY
RDATAF
RDATAR
9 GND
PACKAGE DIMENSIONS
Unit: mm
Device
SM8750AV
Package
16-pin VSOP
0.15
+
−
00..0150
0.275typ
5.1 ± 0.2
0.65 0.10
+ 0.1
0.22 − 0.05
0.12 M
0 to 10
NIPPON PRECISION CIRCUITS—1
1 page  
SM8750AV
Serial Interface Characteristics
Parameter
Symbol
Rating
min typ max
Unit
SCLK pulse cycle time
SCLK HIGH-level pulsewidth
S C L K L OW -level pulsewidth
SENB setup time
SENB hold time
S DATA setup time
S DATA hold time
ACK setup time1
ACK hold time1
SENB interval
tc y S C K
tw h S C K
tw l S C K
ts S E N
th S E N
ts S DA
th S DA
tsAC K
th AC K
ti n S E N
100 –
40 –
40 –
20 –
40 –
15 –
15 –
0–
––
100 –
– ns
– ns
– ns
– ns
– ns
– ns
– ns
20 ns
50 ns
– ns
1. S DATA output signal (ACK) acknowledge output (N-channel open drain), receive data is valid, LOW -level output, 15pF SDATA load capacitance.
SENB
SCLOCK
SDATA
Controller
SDATA port
tsSEN
twhSCK
tcySCK
twlSCK
tsSDA
thSDA
bit0
LSB
bit1
thSEN
tinSEN
tsACK
bit15
MSB
thACK
ACK
High impedance
NIPPON PRECISION CIRCUITS—5
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet SM8750AV.PDF ] | |
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