X93156WM8I datasheet(2/8 Pages) INTERSIL

2 / 8 page

FN8182.2

September 16, 2005

Block Diagram

Ordering Information

PART NUMBER

PART MARKING

RTOTAL (kΩ)

TEMP RANGE (°C)

PACKAGE

PKG. DWG. #

X93156WM8I

12.5

-40 to +85

8 Ld MSOP

M8.118

X93156WM8IZ (See Note)

-40 to +85

8 Ld MSOP (Pb-free)

M8.118

X93156WM8I-2.7*

(AGR)

-40 to +85

8 Ld MSOP

M8.118

X93156WM8IZ-2.7* (See Note)

-40 to +85

8 Ld MSOP (Pb-free)

M8.118

X93156UM8I-2.7*

(AGP)

-40 to +85

8 Ld MSOP

M8.118

X93156UM8IZ-2.7* (See Note)

-40 to +85

8 Ld MSOP (Pb-free)

M8.118

NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate

termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL

classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.

*Add “T1” suffix for tape and reel.

5-Bit

Up/Down

Counter

5-Bit

Nonvolatile

Memory

Store and

Recall

Control

Circuitry

One

Decoder

Resistor

Array

U/D

INC

Transfer

Gates

Thirty

VCC

VSS

Control

and

Memory

Up/Down

(U/D)

Increment

(INC)

Device Select

(CS)

VCC (Supply Voltage)

VSS (Ground)

General

Detailed

Two

30K

Pin Descriptions

MSOP, TDFN SYMBOL

BRIEF DESCRIPTION

1INC

Increment (INC). The INC input is negative-edge triggered. Toggling INC will move the wiper and either increment or

decrement the counter in the direction indicated by the logic level on the U/D input.

2U/D

Up/Down (U/D). The U/D input controls the direction of the wiper movement and whether the counter is incremented

or decremented.

3RH

RH. The RH and RL pins of the X93156 are equivalent to the fixed terminals of a mechanical potentiometer. The

minimum voltage is VSS and the maximum is VCC. The terminology of RH and RL references the relative position of

the terminal in relation to wiper movement direction selected by the U/D input.

4VSS

Ground.

5Rw

RW. The Rw pin of the X93156 is the wiper terminal of the potentiometer which is equivalent to the movable terminal

of a mechanical potentiometer.

6RL

RL. The RH and RL pins of the X93156 are equivalent to the fixed terminals of a mechanical potentiometer. The

minimum voltage is VSS and the maximum is VCC. The terminology of RH and RL references the relative position of

the terminal in relation to wiper movement direction selected by the U/D input.

7CS

Chip Select (CS). The device is selected when the CS input is LOW. The current counter value is stored in nonvolatile

memory when CS is returned HIGH while the INC input is also HIGH. After the store operation is complete, the X93156

will be placed in the low power standby mode until the device is selected once again.

8VCC

Supply Voltage.

X93156

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