ISL22444TFV20Z Intersil, ISL22444TFV20Z Datasheet - Page 15

• Manufacturer Part Number: ISL22444TFV20Z
• Description: IC POT DGTL 256TP LN LP 20-TSSOP
• Manufacturer: Intersil
• Series: XDCP™r

Specifications of ISL22444TFV20Z

• Taps: 256
• Resistance (ohms): 100K
• Number Of Circuits: 4
• Temperature Coefficient: 45 ppm/°C Typical
• Memory Type: Non-Volatile
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.25 V ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 20-TSSOP
• Resistance In Ohms: 100K
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

SDO
SCK
SDI
CS
µC
SDO 0
SDO 1
SDO 2
MOSI
MISO
SCK
SCK
SDI
CS
CS
INSTRUCTION
1
15
2
CS
SCK
SDI
FIGURE 19. DAISY CHAIN WRITE SEQUENCE OF N = 3 DCP
WR
DCP0
3
16 CLKLS
SDO
D C P2
FIGURE 18. DAISY CHAIN CONFIGURATION
4
FIGURE 20. TWO BYTE OPERATION
5
ADDR
CS
SCK
SDI
6
ISL22444
DCP1
7
WR
WR
SDO
16 CLKS
8
D C P1
D C P2
N DCP IN A CHAIN
9
CS
SCK
SDI
10
DCP2
11
SDO
WR
WR
WR
DATA OUT
DATA IN
16 CLKS
12
D C P2
D C P1
D C P0
13
14
15
CS
SCK
SDI
DCP(N-1)
16
SDO
May 24, 2007
FN6426.0