AD9857AST Analog Devices Inc, AD9857AST Datasheet - Page 25

• Manufacturer Part Number: AD9857AST
• Description: IC QUADRATURE DGTL UPCONV 80LQFP
• Manufacturer: Analog Devices Inc
• Series: AD9857r

Specifications of AD9857AST

• Rohs Status: RoHS non-compliant
• Function: Upconverter
• Frequency: 5MHz ~ 200MHz
• Rf Type: HFC Cable Network
• Package / Case: 80-LQFP

SCLK
SDIO
SCLK
SCLK
SCLK
SDO
SDIO
SDIO
SDIO
CS
SCLK
CS
CS
CS
SDIO
SDO
CS
I
I
7
7
I
I
7
7
SYMBOL
t
I
DV
I
6
6
I
I
6
6
I
INSTRUCTION CYCLE
INSTRUCTION CYCLE
5
I
INSTRUCTION CYCLE
INSTRUCTION CYCLE
5
I
5
I
5
Figure 32. 2-Wire Serial Port Read Timing—Clock Stall High
Figure 30. 3-Wire Serial Port Read Timing—Clock Stall Low
I
Figure 28. Timing Diagram for Data Read from AD9857
I
4
4
Figure 29. Serial Port Writing Timing—Clock Stall Low
I
Figure 31. Serial Port Write Timing—Clock Stall High
4
I
4
DEFINITION
DATA VALID TIME
I
I
3
3
1ST BIT
I
3
I
3
I
I
2
2
I
2
I
2
I
I
1
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1
I
1
I
1
I
t
I
0
0
DV
I
0
I
0
D
D
D
O7
7
7
D
O7
D
D
6
O6
D
D
DATA TRANSFER CYCLE
6
O6
2ND BIT
DATA TRANSFER CYCLE
D
D
DATA TRANSFER CYCLE
5
O5
DATA TRANSFER CYCLE
D
D
5
O5
D
D
DON'T CARE
4
O4
D
D
4
O4
MAX
30ns
D
D
3
O3
D
D
3
O3
D
D
2
O2
D
D
2
O2
D
D
1
O1
D
D
1
O1
D
0
D
D
O0
D
O0
0
AD9857