CAT5251YI-50 CATALYST SEMICONDUCTOR, CAT5251YI-50 Datasheet - Page 11

• Manufacturer Part Number: CAT5251YI-50
• Description: IC, DIGITAL POT 50KOHM 256 QUAD 24-TSSOP
• Manufacturer: CATALYST SEMICONDUCTOR

Specifications of CAT5251YI-50

• End To End Resistance: 50kohm
• Track Taper: Linear
• Resistance Tolerance: ± 20%
• No. Of Steps: 256
• Supply Voltage Range: 2.5V To 6V
• Control Interface: Serial, SPI
• No. Of Pots: Quad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Instruction Format
Table 14. READ WIPER CONTROL REGISTER (WCR)
Table 15. WRITE WIPER CONTROL REGISTER (WCR)
Table 16. READ DATA REGISTER (DR)
Table 17. WRITE DATA REGISTER (DR)
Table 18. READ STATUS (WIP)
CS
CS
CS
CS
CS
Command
INC/DEC
Issued
0
0
0
0
0
SCK
R
SI
1
1
1
1
1
W
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
DEVICE ADDRESSES
0
0
0
0
0
1
1
1
1
1
0
0
0
0
0
0
0
0
0
0
A1
A1
A1
A1
A1
A0
A0
A0
A0
A0
Figure 9. Increment/Decrement Timing Limits
1
1
1
1
0
0
0
0
1
1
0
1
1
0
0
Voltage Out
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
1
0
1
0
1
http://onsemi.com
R1
R1
0
0
0
R0
R0
11
0
0
0
P1
P1
P1
P1
0
P0
P0
P0
P0
1
7
7
7
7
7
0
6
6
6
6
6
0
5
5
5
5
5
0
DATA
DATA
DATA
DATA
DATA
4
4
4
4
4
0
t
WRL
3
3
3
3
3
0
2
2
2
2
2
0
1
1
1
1
1
0
0
0
0
0
W
P
I
CS
CS
CS
CS
CS
Voltage
Cycle
Write
High