
TMS45165-70DZR – 70ns Fast Page Mode DRAM Chip
Memory ICs · Texas Instruments
70ns Access Time – Optimized for fast read/write operations in high-performance systems. 256K x 16-Bit Organization – Balances memory density with efficient data handling. 5V Single Supply Voltage – Compatible with legacy industrial and embedded devices.
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Product Overview
A closer look at TMS45165-70DZR as a memory ics: functional summary, usage notes, and the features that matter in real designs.
- 70ns Access Time – Optimized for fast read/write operations in high-performance systems.
- 256K x 16-Bit Organization – Balances memory density with efficient data handling.
- 5V Single Supply Voltage – Compatible with legacy industrial and embedded devices.
TMS45165-70DZR 262144-WORD BY 16-BIT HIGH-SPEED DYNAMIC RANDOM-ACCESS MEMORIES ICs
The TMS45165-70DZR is a Fast Page Mode (FPM) DRAM chip manufactured by Texas Instruments, designed for high-speed, low-latency memory access in industrial computing, embedded systems, and retro computing applications. With a 70ns access time, this DRAM delivers reliable performance in legacy systems requiring consistent data throughput.Technical Specifications
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- Memory Organization: 256K x 16-bit
- Access Time: 70ns
- Operating Voltage: 5V ±10%
- Package: 40-pin DIP (Dual In-Line Package)
- Refresh Cycles: 512 cycles every 8ms
- Operating Temperature: 0°C to 70°C
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Applications
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- Industrial Control Systems – Stable memory performance for PLCs and automation.
- Retro Computing/Arcade Boards – Used in classic gaming and vintage computers.
- Telecommunications Equipment – Reliable data buffering in legacy networking hardware.
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Performance Benefits
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- Page Mode Efficiency: Reduces latency during sequential memory access.
- Low Power Consumption: Ideal for energy-sensitive embedded designs.
- Long-Term Reliability: TI’s manufacturing ensures durability in harsh environments.
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Design Considerations
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- Decoupling Capacitors: Required near VCC/GND pins for stable operation.
- Refresh Management: Needs periodic refresh cycles (CAS-before-RAS support).
- Compatibility: Works best with 5V TTL logic systems (check datasheet for interfacing).
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Why Choose TMS45165-70DZR?
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- Trusted Brand: Texas Instruments ensures high-quality silicon.
- Legacy Support: Perfect for repairing/maintaining older systems.
- Proven Durability: Used in aerospace, medical, and military applications historically.
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Availability & Support
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- Obsolete (Not Recommended for New Designs) – Available via specialty distributors.
Design Resources
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Frequently Asked Questions
3 practical questions buyers ask about TMS45165-70DZR — availability, specs, and how to request a quote.
What is TMS45165-70DZR?
70ns Access Time – Optimized for fast read/write operations in high-performance systems. 256K x 16-Bit Organization – Balances memory density with efficient data handling. 5V Single Supply Voltage – Compatible with legacy industrial and embedded devices.
What type of component is TMS45165-70DZR?
TMS45165-70DZR is a Memory ICs from Texas Instruments.
Is TMS45165-70DZR in stock at MOZ Electronics?
TMS45165-70DZR is listed as in stock. Order online when a price is shown, or submit an RFQ for volume pricing and lead time.
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