MT28F004B5 General Description
MT28F004B5 Maximum Ratings
Voltage on VCC Supply
Relative to VSS ....................................-0.5V to +6V**
Input Voltage Relative to VSS ..............-0.5V to +6V**
VPP Voltage Relative to VSS ..............-0.5V to +12.6V†
RP# or A9 Pin Voltage
Relative to VSS ................................. -0.5V to +12.6V†
Temperature Under Bias ...................-40°C to +85°C
Storage Temperature (plastic) ........-55°C to +125°C
Power Dissipation ...................................................1W
MT28F004B5 Features
• Seven erase blocks:
16KB/8K-word boot block (protected)
Two 8KB/4K-word parameter blocks
Four main memory blocks
• Smart 5 technology (B5):
5V ±10% VCC
5V ±10% VPP application/production
programming
12V ±5% VPP compatibility production
programming
• Address access times: 60ns, 80ns
• 100,000 ERASE cycles
• Industry-standard pinouts
• Inputs and outputs are fully TTL-compatible
• Automated write and erase algorithm
• Two-cycle WRITE/ERASE sequence
• Byte- or word-wide READ and WRITE
(MT28F400B5, 256K x 16/512K x 8)
• Byte-wide READ and WRITE only
(MT28F004B5, 512K x 8)
• TSOP and SOP packaging options
MT28F004B5 Connection Diagram
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