at34c02b ATMEL Corporation, at34c02b Datasheet - Page 2

• Manufacturer Part Number: at34c02b
• Description: Two-wire Serial Eeprom With Permanent And Reversible Software Write Protect 2k 256 X 8
• Manufacturer: ATMEL Corporation

Absolute Maximum Ratings*
Figure 1. Block Diagram
2
Operating Temperature..................................–55°C to +125 °C
Storage Temperature .....................................–65°C to +150°C
Voltage on Any Pin
with Respect to Ground .................................... –1.0V to +7.0V
Maximum Operating Voltage .......................................... 6.25V
DC Output Current........................................................ 5.0 mA
AT34C02B
V CC
GND
WP
SCL
SDA
A
A
A
2
1
0
D
IN
COMPARATOR
START
LOGIC
STOP
ADDRESS
DEVICE
LOAD
D
R/W
OUT
ADDR/COUNTER
DATA WORD
COMP
LOAD
*NOTICE:
WRITE PROTECT
Y DEC
CIRCUITRY
CONTROL
SERIAL
LOGIC
INC
Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age to the device. This is a stress rating only and
functional operation of the device at these or any
other conditions beyond those indicated in the
operational sections of this specification is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect
device reliability.
EN
SOFTWARE WRITE
PROTECTED AREA
H.V. PUMP/TIMING
DATA RECOVERY
SERIAL MUX
(00H - 7FH)
D
EEPROM
OUT
LOGIC
/ACK
3417E–SEEPR–1/07