Part: ZD25WD20C — ZETTA Technology Type: Serial Multi I/O Flash Memory Description: Ultra-low power 2M-bit serial flash memory with a wide supply range of 1.65V to 3.6V, supporting x1 and x2 Multi I/O SPI, with 100K cycling endurance and 20-year data retention.

Operating Conditions:

• Supply voltage: 1.65V to 3.6V
• Operating temperature: -40 to 85 °C

Absolute Maximum Ratings:

• Max supply voltage: 4.2 V
• Max junction/storage temperature: 150 °C

Key Specs:

• Memory density: 2M-bit (256KB)
• Standby current: 0.5 μA
• Deep power-down current: 0.3 μA
• Active read current (33MHz): 1.3 mA
• Active program/erase current: 3.2 mA
• Page program time: 2 ms
• 4K-byte sector erase time: 13 ms
• Program/Erase cycles: 100,000 minimum
• Data retention: 20 years

Features:

• Single and Dual IO mode (Standard SPI, Dual SPI)
• Highest performance speed: 104MHz (1 IO), 208Mbits/s (2 IO Dual I/O Data transfer)
• Flexible architecture: 256-byte Page Erase, 4K-byte Sector Erase, 32/64K-byte Block Erase
• Program 1 to 256 byte per programmable page
• Advanced security features: 128-Bit Unique ID for each device
• Data protection features: Valid command length checking, Write Enable command, Software Protection Mode, Deep Power-Down Mode

Applications:

Package:

• SOP8
• TSSOP8
• USON8 (2x3x0.45 mm)
• USON6 (1.2x1.2x0.40mm)
• USON6 (1.0x0.72x0.45mm)
• USON6 (1.225x0.725x0.45mm)
• KGD

ZD25WD20BKIGR Pinout

Package: SOP8 150 MIL

Notes

• NC pins (3, 7): No connection; may be left floating or tied to VSS.
• Dual I/O operation: SI (IO0) and SO (IO1) become bidirectional I/O pins during Dual SPI commands (3BH, BBH, 92H).
• Supply voltage: 1.65V to 3.6V.
• Pin diagram image confirms numbering: Pins numbered 1–8 in standard SOP8 150 MIL package orientation.

Table-12. DC Parameters (Ta=-40 ° C to +85 ° C )

Table-10 Absolute Maximum Ratings

Figure-30. Maximum Negative/positive Overshoot Diagram