1CY7C274 CY7C271 CY7C274 32K x 8 Power Switched .
Cypress Semiconductor
CY7C271 - 32K x 8 Power Switched and Reprogrammable PROM
1CY7C274 CY7C271 CY7C274 32K x 8 Power Switched and Reprogrammable PROM Features • CMOS for optimum speed/power • Windowed for reprogrammability • H.