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The SST39VF400A-70-4C-EK is a flash memory device manufactured by Silicon Storage Technology (SST). Below are the factual specifications, descriptions, and features of this component:

Manufacturer:

Silicon Storage Technology (SST)

Specifications:

• Memory Type: Flash (NOR)
• Density: 4 Mbit (512K x 8)
• Supply Voltage: 2.7V - 3.6V
• Speed: 70 ns access time
• Package: 48-pin TSOP (Thin Small Outline Package)
• Operating Temperature Range: Commercial (0°C to +70°C)
• Sector Architecture: Uniform 4 KByte sectors
• Endurance: 100,000 erase/write cycles (minimum)
• Data Retention: >100 years

Descriptions:

• The SST39VF400A is a 4 Mbit CMOS Multi-Purpose Flash (MPF) memory device with a uniform sector architecture.
• It supports both byte-wide (x8) and word-wide (x16) configurations.
• The device is designed for high-performance, low-power applications and is compatible with JEDEC-standard commands.

Features:

• Single Voltage Operation: 2.7V - 3.6V for read, erase, and program
• Low Power Consumption:
• Active Read Current: 10 mA (typical)
• Standby Current: 2 µA (typical)
• Fast Erase & Program Times:
• Sector Erase Time: 18 ms (typical)
• Chip Erase Time: 70 ms (typical)
• Byte Program Time: 14 µs (typical)
• Hardware Data Protection:
• WP# (Write Protect) pin for sector protection
• Built-in block locking for security
• Software Data Protection (SDP): Prevents accidental writes
• Compatibility:
• JEDEC-standard command set
• CFI (Common Flash Interface) compliant

This information provides a technical overview of the SST39VF400A-70-4C-EK flash memory device.