CAT5251YI-50 CATALYST SEMICONDUCTOR, CAT5251YI-50 Datasheet - Page 12

• 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 (continued)
NOTE:
Table 19. GLOBAL TRANSFER DATA REGISTER (DR)
TO WIPER CONTROL REGISTER (WCR)
Table 20. GLOBAL TRANSFER WIPER CONTROL REGISTER (WCR)
TO DATA REGISTER (DR)
Table 21. TRANSFER WIPER CONTROL REGISTER (WCR)
TO DATA REGISTER (DR)
Table 22. TRANSFER DATA REGISTER (DR)
TO WIPER CONTROL REGISTER (WCR)
Table 23. INCREMENT (I)/DECREMENT (D) WIPER CONTROL REGISTER (WCR)
CS
CS
CS
CS
CS
0
0
0
0
0
Any write or transfer to the Non−volatile Data Registers is followed by a high voltage cycle after a STOP has been issued.
1
1
1
1
1
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
0
1
1
1
0
0
0
1
1
0
0
0
1
0
1
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
INSTRUCTION
1
0
0
1
0
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R1
R1
R1
R1
0
R0
R0
R0
R0
12
0
P1
P1
P1
0
0
P0
P0
P0
0
0
CS
CS
CS
CS
I/D
I/D
Voltage
Voltage
Cycle
Cycle
Write
Write
High
High
DATA
. . .
I/D
I/D
CS