The Numonyx⢠StrataFlash® Wireless Memory (L18) provides read-while-write and read-while-erase capability with density upgrades through 256-Mbit. This family of devices provides high performance at low voltage on a 16-bit data bus. Individually erasable memory blocks are sized for optimum code and data storage.
â High performance Read-While-Write/Erase
â 85 ns initial access
â 54 MHz with zero wait state, 14 ns clock-to-data output synchronous-burst mode
â 25 ns asynchronous-page mode
â 4-, 8-, 16-, and continuous-word burst mode
â Burst suspend
â Programmable WAIT configuration
â Buffered Enhanced Factory Programming (BEFP) at 5 µs/byte (Typ)
â 1.8 V low-power buffered programming at 7 µs/byte (Typ)
â Architecture
â Asymmetrically-blocked architecture
â Multiple 8-Mbit partitions: 128-Mbit devices
â Multiple 16-Mbit partitions: 256-Mbit devices
â Four 16-Kword parameter blocks: top or bottom configurations
â 64-Kword main blocks
â Dual-operation: Read-While-Write (RWW) or Read-While-Erase (RWE)
â Status Register for partition and device status
â Power
â VCC (core) = 1.7 V - 2.0 V
â VCCQ (I/O) = 1.35 V - 2.0 V, 1.7 V - 2.0 V
â Standby current: 30 µA (Typ) for 256-Mbit
â 4-Word synchronous read current: 15 mA (Typ) at 54 MHz
â Automatic Power Savings mode
â Security
â OTP space: 64 unique factory device identifier bits; 64 user-programmable OTP bits; Additional 2048 user-programmable OTP bits
â Absolute write protection: VPP = GND
â Power-transition erase/program lockout
â Individual zero-latency block locking
â Individual block lock-down
â Software
â 20 µs (Typ) program suspend
â 20 µs (Typ) erase suspend
â Numonyx® Flash Data Integrator optimized
â Basic Command Set (BCS) and Extended Command Set (ECS) compatible
â Common Flash Interface (CFI) capable
â Quality and Reliability
â Expanded temperature: â25° C to +85° C
â Minimum 100,000 erase cycles per block
â Intel ETOX* VIII process technology (0.13 µm)
â Density and Packaging
â 128- and 256-Mbit density in VF BGA packages
â 128/0 and 256/0 density in SCSP
â 16-bit wide data bus
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