Product Summary
The AT25DF161-SH-B is a serial interface Flash memory device designed for use in a wide variety of high-volume consumer based applications in which program code is shadowed from Flash memory into embedded or external RAM for execution. It also offers a sophisticated method for protecting individual sectors against erroneous or malicious program and erase operations. By providing the ability to individually protect and unprotect sectors, a system can unprotect a specific sector to modify its contents while keeping the remaining sectors of the memory array securely protected.
Parametrics
AT25DF161-SH-B absolute maximum ratings: (1)Temperature under Bias: -55°C to +125°C; (2)Storage Temperature: -65°C to +150°C; (3)All Input Voltages (including NC Pins) with Respect to Ground: -0.6V to +4.1V; (4)All Output Voltages with Respect to Ground: -0.6V to VCC + 0.5V.
Features
AT25DF161-SH-B features: (1)Hardware Controlled Locking of Protected Sectors via WP Pin; (2)Sector Lockdown: Make Any Combination of 64-Kbyte Sectors Permanently Read-Only; (3)128-Byte Programmable OTP Security Register; (4)Flexible Programming; (5)Byte/Page Program (1 to 256 Bytes); (6)Fast Program and Erase Times; (7)1.0 ms Typical Page Program (256 Bytes) Time; (8)50 ms Typical 4-Kbyte Block Erase Time; (9)250 ms Typical 32-Kbyte Block Erase Time; (10)400 ms Typical 64-Kbyte Block Erase Time; (11)Program and Erase Suspend/Resume; (12)Automatic Checking and Reporting of Erase/Program Failures; (13)Software Controlled Reset; (14)JEDEC Standard Manufacturer and Device ID Read Methodology; (15)Low Power Dissipation; (16)5 mA Active Read Current (Typical at 20 MHz); (17)5 uA Deep Power-Down Current (Typical); (18)Endurance: 100,000 Program/Erase Cycles; (19)Data Retention: 20 Years; (20)Complies with Full Industrial Temperature Range; (21)Industry Standard Green (Pb/Halide-free/RoHS Compliant) Package Options.
Diagrams
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![]() AT25DF161-SH-B |
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![]() Data Sheet |
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