HT27C020 - Holtek Semiconductor Inc

HT27C020 CMOS 256K x 8-Bit OTP EPROM

The HT27C020 chip family is a low-power, 2048K (2,097,152) bits, +5V electrically one-time programmable (OTP) read-only memories (EPROM). Organized into 256K words with 8 bits per word, it features a fast single address location programming, typically at 75ms per byte. Any byte can be accessed in less than 70ns with respect to Spec. This eliminates the need.

Features

· Operating voltage: +5.0V
· Programming voltage - VPP=12.5V±0.2V - VCC=6.0V±0.2V
· High-reliability CMOS technology
· Latch-up immunity to 100mA from -1.0V to VCC+1.0V
· CMOS and TTL compatible I/O
· Low power consumption - Active: 30mA max. - Standby: 1mA typ.
· 256K´8-bit organization
· Fast read access time: 70ns
· Fast programming algorithm
· Programming time 75ms typ.
· Two line controls (OE and CE)
· Standard product identification code
· Commercial temperature range (0°C to +70°C)
· 32-pin DIP/SOP/PLCC package General Description The HT27C020 chip family is a low-power, 2048K (2,097,.