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AT28HC256-12TU IC EEPROM 256KBIT PAR 28TSOP Microchip Technology

Name: AT28HC256-12TU IC EEPROM 256KBIT PAR 28TSOP Microchip Technology
Brand: Sanhuang electronics (Hong Kong) Co., Limited

Product Details Description The AT28HC256 is a high-performance electrically erasable and programmable read-only memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the AT28HC256 offers access times to 70 ns with power dissipation of just 440 mW. When the AT28HC256 is deselected, the standby current is less than 5 mA. Features • Fast Read Access Time – 70 ns • Automatic Page Write Operation –

Clock Frequency -

Operating Temperature -40°C ~ 85°C (TC)

Memory Interface Parallel

Packaging Details anti-static bag & cardboard box

Memory Organization 32K x 8

Model Number AT28HC256-12TU

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Product Description

Product Details

Description

The AT28HC256 is a high-performance electrically erasable and programmable read-only memory. Its 256K of memory is organized as 32,768 words by 8 bits. Manufactured with Atmel’s advanced nonvolatile CMOS technology, the AT28HC256 offers access times to 70 ns with power dissipation of just 440 mW. When the AT28HC256 is deselected, the standby current is less than 5 mA.

Features

• Fast Read Access Time – 70 ns
• Automatic Page Write Operation
– Internal Address and Data Latches for 64 Bytes
– Internal Control Timer
• Fast Write Cycle Times
– Page Write Cycle Time: 3 ms or 10 ms Maximum
– 1 to 64-byte Page Write Operation
• Low Power Dissipation
– 80 mA Active Current
– 3 mA Standby Current
• Hardware and Software Data Protection
• DATA Polling for End of Write Detection
• High Reliability CMOS Technology
– Endurance: 104 or 105 Cycles
– Data Retention: 10 Years
• Single 5V ±10% Supply
• CMOS and TTL Compatible Inputs and Outputs
• JEDEC Approved Byte-wide Pinout
• Full Military and Industrial Temperature Ranges
• Green (Pb/Halide-free) Packaging Option

Specifications

Attribute	Attribute Value
Manufacturer	Intel / Altera
Product Category	Memory ICs
Series	-
Packaging	Tray
Mounting-Style	SMD/SMT
Package-Case	28-TSSOP (0.465", 11.80mm Width)
Operating-Temperature	-40°C ~ 85°C (TC)
Interface	Parallel
Voltage-Supply	4.5 V ~ 5.5 V
Supplier-Device-Package	28-TSOP
Memory Capacity	256K (32K x 8)
Memory-Type	EEPROM
Speed	120ns
Access-Time	120 ns
Format-Memory	EEPROMs - Parallel
Maximum Operating Temperature	+ 85 C
Operating temperature range	- 40 C
Operating-Supply-Voltage	5 V
Operating-Supply-Current	80 mA
Interface-Type	Parallel
Organization	32 k x 8
Supply-Current-Max	80 mA
Supply-Voltage-Max	5.5 V
Supply-Voltage-Min	4.5 V
Package-Case	TSOP-28
Data-Retention	10 Years
Output-Enable-Access-Time	50 ns