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HN27C256HG

Features: · High speed: Access time 70/85 ns (max)· Low power dissipation Active mode: 30 mW (typ) (f = 1 MHz)· High reliability and fast programming Programming voltage: +12.5 V DC Fast High-Reliability Programming Algorithm available· Device identifier mode Manufacturer code and device codePinou...

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HN27C256HG: Features: · High speed: Access time 70/85 ns (max)· Low power dissipation Active mode: 30 mW (typ) (f = 1 MHz)· High reliability and fast programming Programming voltage: +12.5 V DC Fast High-Reliab...

HN27C256HG Data Sheet

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Part Number:
HN27C256HG
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:

·  High speed: Access time 70/85 ns (max)
·  Low power dissipation
     Active mode: 30 mW (typ) (f = 1 MHz)
·  High reliability and fast programming
     Programming voltage: +12.5 V DC
     Fast High-Reliability Programming Algorithm available
·  Device identifier mode
     Manufacturer code and device code


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Value
Unit
All input and output voltages*1
Vin, Vout
0.6*2 to +7.0
V
A9 input voltage*1
VID
0.6*2 to + 13.5
V
VPP voltage*1
VPP
0.6 to +13.5
V
VCC voltage*1
VCC
0.6 to + 7.0
V
Operating temperature range
Topr
0 to +70
°C
Storage temperature range
Tstg
55 to +125
°C
Storage temperature range under bias
Tbias
10 to +80
°C
Notes: 1. Relative to VSS
2. Vin, Vout and VID min = 1.0 V for pulse width 50 ns


Description

The Hitachi HN27C256HG is a 256-kbit ultraviolet erasable and electrically programmable ROM, featuring sub-100-ns access times. It realizes access time of 70 ns and 85 ns, employing the advanced fine process and high speed circuitry technique. The timing conditions such as access time or output hold time are designed as same as our byte-wide SRAMs', allowing to use with SRAMs on the same memory board by the same read timings. So its board design in 16-bit microprocessor systems is easy. Also, the HN27C256HG realizes faster programming time than our conventional 256-kbit EPROM by Hitachi's Fast High-Reliability Programming Algorithm. Pin arrangement, pin configuration and programming voltage are compatible with our 256-kbit EPROM series, therefore existing programmers can be used with the it.




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