CAT1023 CATALYST [Catalyst Semiconductor], CAT1023 Datasheet - Page 16

• Manufacturer Part Number: CAT1023
• Description: Catalyst Semiconductor
• Manufacturer: CATALYST [Catalyst Semiconductor]

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d i g i t a l l y p r o g r a m m a b l e p o t e n t i o m e t e r s
CAT5259
256-Tap Quad Digitally Programmable Potentiometer
Features
Package Information
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■
■
■
■
■
■
■
GND
V DD
U/D
for each potentiometer
four linear taper digitally programmable potentiometers
end-to-end resistance 50kΩ or 100kΩ
low wiper resistance,typically 100Ω
non-volatile memory storage for up to four wiper settings
automatic recall of saved wiper settings at power up
2.5 V to 6.0 V volt operation
standby current less than 5µA
24-pin SOIC & TSSOP packages
CS
UP/DOWN
COUNTER
DECODER
POSITION
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16-
H
L
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W
SDA
SCL
WP
A0
A1
A2
A3
CAT512O / CAT5121 / CAT5122
16-Tap MiniPot™ Digitally Programmable Potentiometers
with Increment/Decrement Interface
Features
Package Information
2-WIRE BUS
INTERFACE
■
■
■
■
■
■
■
CONTROL
LOGIC
0.3µA ultra-low supply current
2-wire up/down serial interface
resistance values:10kΩ,50kΩ and 100kΩ
single-supply operation:2.7 V to 5.5 V
glitchless switching between resistor taps
power-on reset to midscale
5- and 6-pin SC70 and SOT23 packages
NONVOLATILE
REGISTERS
REGISTERS
CONTROL
WIPER
DATA
R H0
R L0
R
R
H1
L1
R
R
H2
L2
R
R
H3
L3
R
R
R
R
W0
W1
W2
W3
TM