3

AT24C02A/04A

5083C–SEEPR–1/07

WRITE PROTECT (WP): The AT24C02A/04A have a WP pin that provides hardware

data protection. The WP pin allows normal read/write operations when connected to

enabled and operates as shown. (See Table 1.)

Table 1. Write Protect

bytes each. Random word addressing requires an 8-bit data word address.

AT24C04A, 4K SERIAL EEPROM: The 4K is internally organized with 32 pages of 16

bytes each. Random word addressing requires a 9-bit data word address.

Note:

This parameter is characterized and is not 100% tested.

Note:

WP Pin Status

Part of the Array Protected

24C02A

24C04A

Upper Half (1K) Array

Upper Half (2K) Array

At GND

Normal Read/Write Operations

Table 2. Pin Capacitance

Symbol

Test Condition

Max

Units

Conditions

Input/Output Capacitance (SDA)

8

pF

6

pF

Table 3. DC Characteristics

(unless otherwise noted)

Symbol

Parameter

Test Condition

Min

Typ

Max

Units

Supply Voltage

2.7

5.5

V

READ at 100 kHz

0.4

1.0

mA

WRITE at 100 kHz

2.0

3.0

mA

1.6

4.0

µA

8.0

18.0

µA

Input Leakage Current

0.10

3.0

µA

Output Leakage Current

0.05

3.0

µA

−0.6

V

V

0.4

V

0.2

V