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HT27C020

Features: ` Operating voltage: +5.0V` Programming voltage VPP=12.5V±0.2V VCC=6.0V±0.2V` High-reliability CMOS technology` Latch-up immunity to 100mA from -1.0V to VCC+1.0V` CMOS and TTL compatible I/O` Low power consumption Active: 30mA max. Standby: 1mA typ.` 256K´8-bit organization` Fast r...

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SeekIC No. : 004366645 Detail

HT27C020: Features: ` Operating voltage: +5.0V` Programming voltage VPP=12.5V±0.2V VCC=6.0V±0.2V` High-reliability CMOS technology` Latch-up immunity to 100mA from -1.0V to VCC+1.0V` CMOS and TTL compatible I...

HT27C020 Data Sheet

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Part Number:
HT27C020
Supply Ability:
5000

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  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Product Details

Description



Features:

` Operating voltage: +5.0V
` Programming voltage
VPP=12.5V±0.2V
VCC=6.0V±0.2V
` High-reliability CMOS technology
` Latch-up immunity to 100mA from -1.0V to VCC+1.0V
` CMOS and TTL compatible I/O
` Low power consumption
Active: 30mA max.
Standby: 1mA typ.
` 256K´8-bit organization
` Fast read access time: -70ns, -90ns and -120ns
` Fast programming algorithm
` Programming time 75ms typ.
` Two line controls (OE and CE)
` Standard product identification code
` Package type
32-pin DIP/SOP
32-pin PLCC
` Commercial temperature range (0°C to +70°C)


Pinout

Connection Diagram


Specifications

Operation Temperature Commercial ...............................................................0 to +70
Storage Temperature.................................................................................65 to 125
Applied VCC Voltage with Respect to VSS......................................................0.6V to 7.0V
Applied Voltage on Input Pin with Respect to VSS...........................................0.6V to 7.0V
Applied Voltage on Output Pin with Respect to VSS.................................0.6V to VCC+0.5V
Applied Voltage on A9 Pin with Respect to VSS ............................................0.6V to 13.5V
Applied VPP Voltage with Respect to VSS ....................................................0.6V to 13.5V
Applied READ Voltage (Functionality is guaranteed between these limits) ......+4.5V to +5.5V

Note: These are stress ratings only. Stresses exceeding the range specified under "Absolute Maximum Ratings" may cause substantial damage to the device. Functional operation of this device at other conditions beyond those listed in the specification is not implied and prolonged exposure to extreme conditions may affect device reliability.


Description

The HT27C020 chip family is a low-power, 2048K (2,097,152) bit, +5V electrically one-time programmable (OTP) read-only memories (EPROM). Organized into 256K words with 8 bits per word, it features a fast single address location programming, typically at 75ms per byte. Any byte can be accessed in less than 70ns/90ns/120ns with respect to Spec. This eliminates the need for WAIT states in highperformance microprocessor systems. The HT27C020 has separate Output Enable ( OE) and Chip Enable (CE) controls which eliminate bus contention issues.




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