AT24C1024SC_14 Datasheet, PDF (1/14 Pages) ATMEL Corporation – Schmitt Triggers, Filtered Inputs for Noise Suppression

Features
• Low-voltage and Standard-voltage Operation, VCC = 2.7V–5.5V
• Internally Organized 131,072x 8
• Two-wire Serial Interface
• Schmitt Triggers, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 1 MHz (5V) and 400 kHz (2.7V) Compatibility
• 256-byte Page Write Mode (Partial Page Writes Allowed)
• Self-timed Write Cycle (5 ms Typical)
• High Reliability
– Endurance: 100,000 Write Cycles
– Data Retention: 40 Years
– 5.5V ESD Protection: >4000V
Description
The AT24C1024SC provides 1,048,576 bits of serial electrically erasable and pro-
grammable read only memory (EEPROM) organized as 131,072 words of 8 bits each.
This device is optimized for use in smart card applications where low-power and low-
voltage operation may be essential. This device is available in a standard ISO 7816
smart card module (see Ordering Information, page 11). All devices are functionally
equivalent to Atmel serial EEPROM products offered in standard IC packages (PDIP,
SOIC, dBGA, LAP), with the exception of the slave address and write protect func-
tions, which are not required for smart card applications.
Table 1. Pin Configurations
Pad Name
Description
ISO Module Contact
VCC
Power Supply Voltage
C1
GND
Ground
C5
SCL
Serial Clock Input
C3
SDA
Serial Data Input/Output
C7
NC
No Connect
C2, C4, C6, C8
Figure 1. Card Module Contact
VCC = C1
NC = C2
SCL = C3
NC = C4
C5 = GND
C6 = NC
C7 = SDA
C8 = NC
Two-wire Serial
EEPROM Smart
Card Module
1K (131,072 x 8)
AT24C1024SC
5045A–SEEPR–04/04
1