CAT5411BI-00-TE13 Catalyst Semiconductor, CAT5411BI-00-TE13 Datasheet

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CAT5411BI-00-TE13

Manufacturer Part Number
CAT5411BI-00-TE13
Description
Dual Digitally Programmable Potentiometers (DPP) with 64 Taps and SPI Interface
Manufacturer
Catalyst Semiconductor
Datasheet
The CAT5411 is two Digitally Programmable
Potentiometers (DPPs™) integrated with control logic
and 16 bytes of NVRAM memory. Each DPP consists of
a series of 63 resistive elements connected between two
externally accessible end points. The tap points between
each resistive element are connected to the wiper outputs
with CMOS switches. A separate 6-bit control register
(WCR) independently controls the wiper tap switches for
each DPP. Associated with each wiper control register
are four 6-bit non-volatile memory data registers (DR)
used for storing up to four wiper settings. Writing to the
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
R W0
R W1
GND
V CC
R H0
R H1
R L0
R L1
WP
CS
A 1
SI
1
2
3
4
5
6
7
8
9
10
11
12
A
B
C
D
E
F
R W0
24
23
22
21
20
19
18
17
16
15
14
13
R L0
V CC
NC
NC
NC
1
NC
NC
NC
NC
A 0
SO
HOLD
SCK
NC
NC
NC
NC
R H0
WP
NC
SO
CS
A 0
2
HOLD
R W1
GND
SCK
R H1
R L1
NC
NC
NC
NC
HOLD
A 1
SCK
SI
R H1
A 1
NC
SI
3
1
2
3
4
5
6
7
8
9
10
11
12
R W1
V SS
R L1
NC
NC
NC
4
24
23
22
21
20
19
18
17
16
15
14
13
Top View - Bump Side Down
WP
CS
R W0
R H0
R L0
V CC
NC
NC
NC
NC
A 0
SO
1
wiper control register or any of the non-volatile data
registers is via a SPI serial bus. On power-up, the
contents of the first data register (DR0) for each of the
two potentiometers is automatically loaded into its
respective wiper control register.
The CAT5411 can be used as a potentiometer or as a
two terminal, variable resistor. It is intended for circuit
level or system level adjustments in a wide variety of
applications.
SCK
WP
SO
A0
A1
CS
SI
INTERFACE
CONTROL
SPI BUS
LOGIC
NONVOLATILE
REGISTERS
REGISTERS
CONTROL
WIPER
DATA
R
R
H0
L0
Document No. 2114, Rev. G
R
R
H1
L1
TM
R
R
W0
W1

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CAT5411BI-00-TE13 Summary of contents

Page 1

... SCK F © 2004 by Catalyst Semiconductor, Inc. Characteristics subject to change without notice wiper control register or any of the non-volatile data registers is via a SPI serial bus. On power-up, the contents of the first data register (DR0) for each of the two potentiometers is automatically loaded into its respective wiper control register ...

Page 2

C1 VCC ...

Page 3

The CAT5041 supports the SPI bus data transmission protocol. The synchronous Serial Peripheral Interface (SPI) helps the CAT5411 to interface directly with many of today's popular microcontrollers. The CAT5041 contains an 8-bit instruction register .The instruction set and the operation ...

Page 4

Temperature Under Bias .................. - +125 C Storage Temperature ........................ - +150 C Voltage on any Pin with (1)(2) Respect to V ................ -2. with Respect to Ground ................ -2.0V to +7.0V ...

Page 5

Over recommended operating conditions unless otherwise stated. I Power Supply Current CC I Standby Current ( Input Leakage Current LI I Output Leakage Current LO V Input Low Voltage IL V Input High Voltage IH V Output ...

Page 6

Over recommended operating conditions unless otherwise stated. t Data Setup Time SU t Data Hold Time H t SCK High Time WH t SCK Low Time WL f Clock Frequency SCK HOLD to Output Low (1) t ...

Page 7

Over recommended operating conditions unless otherwise stated. t Write Cycle Time WR Over recommended operating conditions unless otherwise stated. (1) N Endurance END (1) T Data Retention DR (1) V ESD Susceptibility ZAP (1)(2) I Latch-Up LTH Note: (1) This ...

Page 8

The first byte sent to the CAT5411 from the master/ processor is called the Device Address Byte. The most significant four bits of the Device Type address are a device type identifier. These bits for the CAT5411 are fixed at ...

Page 9

The CAT5411 contains two 6-bit Wiper Control Registers, one for each potentiometer. The Wiper Control Register output is decoded to select one of 64 switches along its resistor array. The contents of the WCR can be altered in four ways: ...

Page 10

The basic sequence of the three byte instructions is illustrated in Figure 8. These three-byte instructions exchange data between the WCR and one of the Data Registers. The WCR ...

Page 11

INC/DEC Command Issued SCK Voltage Out 11 t WRID High Voltage CS Write Cycle CS Document No. 2114, Rev. G ...

Page 12

Notes: (1) Any write or transfer to the Non-volatile Data Registers is followed by a high voltage cycle after CS goes high. Document No. 2114, Rev High Voltage CS Write Cycle High ...

Page 13

Prefix Device # CAT 5411 Optional Product Company ID Number Notes: (1) The device used in the above example is a CAT5411JI-10-TE13 (SOIC, Industrial Temperature, 10kohm, Tape & Reel) 0.5985 (15.20) 0.6141 (15.60) 0.050 (1.27) BSC 0.013 (0.33) 0.020 (0.51) ...

Page 14

PIN #1 INDENT. 1.1 MAX TYP -C- SEE DETAIL A Document No. 2114, Rev. F 4.4 + 0.1 -B- (1.78 TYP) 0.42 TYP 0 ALL LEAD TIPS LAND PATTERN RECOMMENDATION 0.1 ...

Page 15

Package Body Dimension X Package Body Dimension Y Package Height Package Body Thickness Ball Height Ball Diameter Total Ball Count Ball Count X Axis Ball Count Y Axis ...

Page 16

... Catalyst Semiconductor products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the Catalyst Semiconductor product could create a situation where personal injury or death may occur. ...

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