BUY M2732A-4F1 https://www.utsource.net/itm/p/652847.html
NMOS 32K 4K x 8 UV EPROM
Description: 8K x 8 Bit UV EPROM Features: - 8K x 8 bit UV EPROM - Low power CMOS technology - High speed access time: 120 ns - Low power consumption: Active current: 30 mA (max) - Standby current: 10 μA (max) - Data retention: 10 years (min) - Single 5V power supply - Pin compatible with 2732A Applications: - Automotive - Industrial - Consumer - Telecommunications - Medical (For reference only)