Hitachi HN58C1001P-15 1Mbit Parallel EEPROM Memory IC

The Hitachi HN58C1001P-15 is a 1Mbit electrically erasable and programmable read-only memory (EEPROM) organized as 131,072 words × 8 bits (128K × 8). The supplied component is visibly marked HN58C1001P-15 and JAPAN.

This device uses a 32-pin plastic DIP through-hole package and operates from a single 5V supply. The -15 speed grade provides a maximum access time of 150ns.

Product Specifications

Manufacturer	Hitachi
Part Number	HN58C1001P-15
Memory Type	EEPROM / Non-Volatile Memory
Memory Capacity	1Mbit
Organization	128K × 8 (131,072 × 8 bits)
Interface	Parallel
Supply Voltage	5.0V ±10%
Maximum Access Time	150ns
Page Programming	128 Bytes
Automatic Byte Write	10ms Maximum
Automatic Page Write	10ms Maximum
Package	32-Pin Plastic DIP (DP-32)
Mounting	Through-Hole
Data Retention	10 Years (datasheet specification)
Write Endurance	10,000 Erase/Write Cycles in Page Mode

128K × 8 Parallel EEPROM

The HN58C1001P-15 provides 131,072 addressable 8-bit words, giving a total memory capacity of 1,048,576 bits. Its byte-wide parallel architecture makes it suitable for legacy embedded systems, industrial electronics and equipment requiring non-volatile program or data storage.

128-Byte Page Programming

The device supports both automatic byte writing and 128-byte page programming. Hitachi specifies a maximum programming time of 10ms for automatic byte and page-write operations.

Control & Protection Functions

The HN58C1001 series includes Data Polling, Ready/Busy, software data protection, power-on/off data protection and a RES write-protection function. The device conforms to the JEDEC byte-wide standard.

Typical Applications

• Legacy Industrial Control Equipment
• Embedded Control Systems
• Industrial Machine Repair
• Program and Configuration Storage
• Legacy Computer and Controller Boards
• Instrumentation Equipment
• Replacement and Maintenance Applications
• Electronic Equipment Restoration