X9521 datasheet(18/24 Pages) RENESAS

18 / 24 page

X9521

FN8207 Rev 2.00

Page 18 of 24

September 21, 2010

D.C. OPERATING CHARACTERISTICS

Notes: 1. The device enters the Active state after any START, and remains active until: 9 clock cycles later if the Device Select Bits in the Slave

Address Byte are incorrect; 200nS after a STOP ending a read operation; or tWC after a STOP ending a write operation.

Notes: 2.The device goes into Standby: 200nS after any STOP, except those that initiate a high voltage write cycle; tWC after a STOP that initiates

a high voltage cycle; or 9 clock cycles after any START that is not followed by the correct Device Select Bits in the Slave Address

Byte.

Notes: 3.Current through external pull up resistor not included.

Notes: 4.

VIN = Voltage applied to input pin.

Notes: 5.

VOUT = Voltage applied to output pin.

Notes: 6.VIL Min. and VIH Max. are for reference only and are not tested.

Symbol

Parameter

Min

Typ

Max

Unit

Test Conditions / Notes

ICC1(1)

Current into VCC Pin

(X9521: Active)

Read memory array (3)

Write nonvolatile memory

0.4

1.5

fSCL = 400kHz

ICC2(2)

Current into VCC Pin

(X9521:Standby)

With 2-Wire bus activity (3)

No 2-Wire bus activity

A

VSDA = VCC

WP = Vss or Open/Floating

VSCL= VCC (when no bus activity

else fSCL = 400kHz)

ILI

Input Leakage Current (SCL, SDA)

0.1

A

VIN (4) = GND to VCC.

Input Leakage Current (WP)

A

Iai

Analog Input Leakage

µA

VIN = VSS to VCC with all other

analog pins floating

ILO

Output Leakage Current (SDA)

0.1

A

VOUT (5) = GND to VCC.

X9521 is in Standby(2)

VIL (6)

Input LOW Voltage (SCL, SDA, WP)

-0.5

0.8

VIH (6)

Input HIGH Voltage (SCL,SDA, WP)

2.0

VCC

+0.5

VOLx

SDA Output Low Voltage

0.4

ISINK = 2.0mA

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