PCF85103C-2 datasheet(3/20 Pages) PHILIPS

3 / 20 page

2000 Feb 15

Philips Semiconductors

Product speciﬁcation

256

× 8-bit CMOS EEPROMs with

I2C-bus interface

PCF85102C-2; PCF85103C-2

FEATURES

• Low power CMOS:

– maximum operating current: 2.0 mA

– maximum standby current 10

µA (at 6.0 V),

typical 4

µA.

• Non-volatile storage of:

– 2 kbits organized as 256

× 8-bit.

• Single supply with full operation down to 2.5 V

• On-chip voltage multiplier

• Serial input/output I2C-bus

• Write operations:

– byte write mode

– 8-byte page write mode

(minimizes total write time per byte).

• Read operations:

– sequential read

– random read.

• Internal timer for writing (no external components)

• Power-on reset

• High reliability by using a redundant storage code

• Endurance: 1000000 Erase/Write (E/W) cycles at

Tamb =22 °C

• 10 years non-volatile data retention time

• Standard industrial pinning (pin 7 not connected)

• Up to sixteen EEPROMs addressable in one I2C-bus

using both PCF85102 and PCF85103 in combination.

GENERAL DESCRIPTION

The PCF85102C-2 and PCF85103C-2 (further referred to

as PCF8510xC-2) are 2 kbits (256

× 8-bit) floating gate

Electrically Erasable Programmable Read Only Memories

(EEPROMs). Power consumption is low due to the full

CMOS technology used. The programming voltage is

generated on-chip, using a voltage multiplier.

The PCF8510x-2 is pin compatible to widely used

industrial pinning (pin 7 not connected).

As data bytes are received and transmitted via the serial

I2C-bus, a package using eight pins is sufficient. Up to

sixteen PCF8510xC-2 devices may be connected to the

I2C-bus. This is possible with the introduction of a second

device selection code. Chip select is accomplished by

three address inputs (A0, A1 and A2) for each

PCF8510xC-2 type.

QUICK REFERENCE DATA

SYMBOL

PARAMETER

CONDITIONS

MIN.

MAX.

UNIT

VDD

supply voltage

2.5

6.0

IDDR

supply current read

fSCL = 100 kHz

VDD = 2.5 V

−

µA

VDD = 6.0 V

−

200

µA

IDDW

supply current E/W

fSCL = 100 kHz

VDD = 2.5 V

−

0.6

VDD = 6.0 V

−

2.0

IDDstb

standby supply current

VDD = 2.5 V

−

3.5

µA

VDD = 6.0 V

−

µA

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