- WS57C128FB-45D
- E2v Technologies (uk), Ltd.
- 16K X 8 UVPROM, 45 ns, CDIP28
- WS57C128FB-45DMB
- E2v Technologies (uk), Ltd.
- 16K X 8 UVPROM, 45 ns, CDIP28
- WS57C128FB-45D
- Stmicroelectronics
- HIGH SPEED 16K x 8 CMOS EPROM
- WS57C128FB-45DMB
- Stmicroelectronics
- HIGH SPEED 16K x 8 CMOS EPROM
- WS57C128FB-45DMB
- Wsi Corporation
- MILITARY HIGH SPEED 16K x 8 CMOS EPROM