CAT5269YI-50TE13 datasheet(4/15 Pages) CATALYST

Part #	CAT5269YI-50TE13

Description	Dual Digitally Programmable Potentiometers (DPP) with 256 Taps and 2-wire Interface

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Manufacturer	CATALYST [Catalyst Semiconductor]

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4 / 15 page

4

CAT5269

Document No. 2123, Rev. B

CAPACITANCE

TA = 25˚C, f = 1.0 MHz, VCC = 5V

Symbol

Test

Max.

Units

Conditions

CI/O(1) Input/Output Capacitance (SDA)

8

pF

VI/O = 0V

CIN(1)

Input Capacitance (A0, A1, A2, A3, SCL,

WP)6

pF

VIN = 0V

2.5V-6.0V

Symbol

Parameter

Min.

Max.

Units

fSCL

Clock Frequency

400

kHz

TI(1)

Noise Suppression Time Constant at SCL, SDA Inputs

200

ns

tAA

SLC Low to SDA Data Out and ACK Out

1

µs

tBUF(1)

Time the bus must be free before a new transmission can start

1.2

µs

tHD:STA

Start Condition Hold Time

0.6

µs

tLOW

Clock Low Period

1.2

µs

tHIGH

Clock High Period

0.6

µs

tSU:STA

Start Condition SetupTime (for a Repeated Start Condition)

0.6

µs

tHD:DAT

Data in Hold Time

0

ns

tSU:DAT

Data in Setup Time

50

ns

tR(1)

SDA and SCL Rise Time

0.3

µs

tF(1)

SDA and SCL Fall Time

300

ns

tSU:STO

Stop Condition Setup Time

0.6

µs

tDH

Data Out Hold Time

100

ns

A.C. CHARACTERISTICS

Note:

(1) This parameter is tested initially and after a design or process change that affects the parameter.

D.C. OPERATING CHARACTERISTICS

VCC = +2.5V to +6.0V, unless otherwise specified.

Symbol

Parameter

Min

Max

Units

Test Conditions

ICC1

Power Supply Current

1

mA

fSCL = 400 KHz, SDA Open

VCC = 6 V, Input = GND

ICC2

Power Supply Current

5

mA

fSCK = 400 KHz, SDA Open

Non-volatile WRITE

VCC = 6 V, Input = GND

ISB

Standby Current (VCC = 5.0V)

5

µAVIN = GND or VCC, SDA Open

ILI

Input Leakage Current

10

µAVIN = GND to VCC

ILO

Output Leakage Current

10

µAVOUT = GND to VCC

VIL

Input Low Voltage

-1

VCC x 0.3

V

VIH

Input High Voltage

VCC x 0.7

VCC + 1.0

V

VOL1

Output Low Voltage (VCC = 3.0V)

0.4

V

IOL = 3 mA

VOL2

Output Low Voltage (VCC = 1.8V)

0.5

V

IOL = 1.5 mA

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