AT24C32A General Description
The AT24C32A/64A provides 32,768/65,536 bits of serial electrically erasable and programmable read only memory (EEPROM) organized as 4096/8192 words of 8 bits each. The device's cascadable feature allows up to 8 devices to share a common 2- wire bus. The device is optimized for use in many industrial and commercial applications where low power and low voltage operation are essential. The AT24C32A/64A is available in space saving 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP and 8-lead TSSOP packages and is accessed via a 2-wire serial interface. In addition, the entire family is available in 2.7V (2.7V to 5.5V) and 1.8V (1.8V to 5.5V) versions.
AT24C32A Maximum Ratings
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
AT24C32A Features
• Low-Voltage and Standard-Voltage Operation
2.7 (VCC = 2.7V to 5.5V)
1.8 (VCC = 1.8V to 5.5V)
• Low-Power Devices (ISB = 6 µA @ 5.5V) Available
• Internally Organized 4096 x 8, 8192 x 8
• 2-Wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 100 kHz (1.8V) and 400 kHz (2.5V) Clock Rate for AT24C32A
• 400 kHz (1.8V) Clock Rate for AT24C64A
• Write Protect Pin for Hardware Data Protection
• 32-Byte Page Write Mode (Partial Page Writes Allowed)
• Self-Timed Write Cycle (5 ms Max)
• High Reliability
Endurance: 1 Million Write Cycles
Data Retention: 100 Years
• Automotive Grade, Extended Temperature and Lead-free/Halogen-free
Devices Available
• 8-lead JEDEC PDIP, 8-lead JEDEC SOIC, 8-lead EIAJ SOIC, 8-lead MAP and 8-lead
TSSOP Packages
AT24C32A Connection Diagram

- ·AT2
-
- Analog IC
- 55024 KB

- ·AT20
-
- Analog IC
- 55024 KB

- ·AT200
-
- Analog IC
- 318833 KB

- ·AT20-0106
- MACOM [Tyco Electronics]
- Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2 GHz
- 241322 KB

- ·AT20-0106PIN
- MACOM [Tyco Electronics]
- Digital Attenuator, 50 dB, 6-Bit, TTL Driver, DC - 2 GHz
- 241322 KB

- ·AT20-0107
- MACOM [Tyco Electronics]
- Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz
- 312692 KB

- ·AT20-0107-TB
- MACOM [Tyco Electronics]
- Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz
- 312692 KB

- ·AT20-0107TR
- MACOM [Tyco Electronics]
- Digital Attenuator, 31.5 dB, 6-Bit, TTL Driver, DC - 2.0 GHz
- 312692 KB

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