Specifications
IS61WV51216BLL-10TLI is a high-speed asynchronous CMOS static RAM (SRAM) manufactured by ISSI (Integrated Silicon Solution Inc.). It is organized as 512K × 16-bit (total 8Mbit), with 10ns fast access time, 2.4V–3.6V wide supply and industrial temperature grade, widely used as high-speed buffer memory for embedded MCUs, FPGAs, industrial control and test equipment.
IS61WV51216BLL-10TLI TSOP-II Chip
👉 It differs from low-voltage IS61WV51216ALL (1.65V~2.2V) and miniBGA packaged variants. This TSOP-II surface-mount version supports standard 3.3V industrial systems, independent upper/lower byte control and low-power standby mode, ideal for cost-sensitive high-speed frame buffer and real-time data cache designs without clock refresh overhead.
Key Features
- Memory Core & Timing Specifications
- Capacity: 8Mbit, 512K words × 16-bit wide data bus (19 address lines)
- Access / write cycle time: 10ns at VDD=3.3V; optional 8ns faster speed version available
- Fully static architecture: No clock signal or periodic refresh operation required
- Independent UB (Upper Byte) / LB (Lower Byte) pins for byte-wise read/write operation
- TTL-compatible all input/output signal levels for seamless connection with MCU/FPGA IO banks
- Electrical & Low-Power Characteristics
- Operating supply voltage range: 2.4V ~ 3.6V (nominal 3.3V industrial standard)
- Typical active operating current ICC: 95mA; standby leakage current drops to microamp level via CE# power-down mode
- Multiple central VDD/VSS pins distributed on package to suppress crosstalk and improve noise immunity
- Stable data retention under low standby voltage to avoid data loss during temporary power fluctuation
- Flexible System Expansion Control
- Independent Chip Enable (CE#), Output Enable (OE#) and Write Enable (WE#) control signals
- Daisy-chain multi-chip stacking supported via CE# for easy memory capacity expansion
- Simple parallel interface without complex timing constraints, compatible with generic asynchronous memory controllers
- Package & Industrial Reliability
- Package: 44-pin TSOP Type-II narrow-body SMD (10.16mm width)
- Temperature grade: Industrial -40°C ~ +85°C operating range
- MSL 3 moisture sensitivity level, lead-free & fully RoHS compliant
- Suffix TLI stands for tray packaging for medium-volume SMT production; TR suffix available for tape-and-reel mass manufacturing
Typical Applications
High-speed frame buffer for industrial HMI touch screens and embedded display panels
FPGA/ARM MCU external data cache for real-time signal processing
Logic analyzers, oscilloscopes and portable test measurement instruments
Multi-channel high-speed data loggers and vibration monitoring equipment
CNC machine tool motion control buffer and position data storage
Medical diagnostic device high-speed sampling data temporary storage
Automotive auxiliary ECU non-refresh high-speed working memory
Industrial PLC high-speed IO snapshot buffer and fault record cache
Image capture module line buffer for low-cost machine vision cameras
Communication equipment protocol stack temporary data storage
LXB Semicon supplies original ISSI IS61WV51216BLL-10TLI 8Mbit asynchronous 10ns SRAM memory IC
