st25e64 STMicroelectronics, st25e64 Datasheet - Page 2

• Manufacturer Part Number: st25e64
• Description: Serial Extended Addressing Compatible With I2c Bus 64k 8k X 8 Eeprom
• Manufacturer: STMicroelectronics

ST24E64, ST25E64
Figure 2A. DIP Pin Connections
Table 2. Absolute Maximum Ratings
Notes: 1. Except for the rating ”Operating Temperature Range”, stresses above those listed in the Table ”Absolute Maximum Ratings”
DESCRIPTION (cont’d)
Each memory is compatible with the I
addressing standard, two wire serial interface
which uses a bi-directional data bus and serial
clock. The ST24/25E64carry a built-in 4 bit, unique
device identification code (1010) corresponding to
the I
2/16
Symbol
2
T
T
V
C bus definition. The ST24/25E64 behave as
V
V
2. 100pF through 1500 ; MIL-STD-883C, 3015.7
3. 200pF through 0 ; EIAJ IC-121 (condition C)
LEAD
T
STG
ESD
CC
IO
A
may cause permanent damage to the device. These are stress ratings only and operation of the device at these or any other
conditions above those indicated in the Operating sections of this specification is not implied. Exposure to Absolute Maximum
Rating conditions for extended periods may affect device reliability. Refer also to the SGS-THOMSON SURE Program and
other relevant quality documents.
V SS
Ambient Operating Temperature
Storage Temperature
Lead Temperature, Soldering
Input or Output Voltages
Supply Voltage
Electrostatic Discharge Voltage (Human Body model)
Electrostatic Discharge Voltage (Machine model)
E0
E1
E2
1
2
3
4
ST24E64
ST25E64
AI01205B
8
7
6
5
V CC
WC
SCL
SDA
2
C extended
(1)
Parameter
(SO8)
(PSDIP8)
Figure 2B. SO Pin Connections
slave devices in the I
operations synchronized by the serial clock. Read
and write operations are initiated by a START
conditiongenerated by the bus master. The START
condition is followed by a stream of 4 bits (identifi-
cation code 1010), 3 bit Chip Enable input to form
a 7 bit Device Select, plus one read/write bit and
terminated by an acknowledge bit.
(3)
(2)
V SS
E0
E1
E2
40 sec
10 sec
ST24E64
ST25E64
1
2
3
4
2
C protocol with all memory
AI01206C
–0.6 to 6.5
–0.3 to 6.5
–40 to 125
–65 to 150
8
7
6
5
Value
4000
215
260
500
V CC
WC
SCL
SDA
Unit
V
V
V
V
C
C
C