Maxim Integrated

1024K NV SRAM with Phantom Clock

STMicroelectronics

Electronic two-tone ringer

Dallas Semiconductor -> Maxim Integrated

1024k Nonvolatile SRAM

CIT Relay and Switch

CIT RELAY & SWITCH

Fairchild Semiconductor

Octal 3-STATE Bus Driver

STMicroelectronics

ELECTRONIC TONE RINGER

Dallas Semiconductor -> Maxim Integrated

256k NV SRAM with Phantom Clock

Contek Microelectronics

ELECTRONIC TONE RINGER WITH BUILT-IN BRIDGE RECTIFIER

Unspecified

256k NV SRAM with Phantom Clock

CIT Relay and Switch

CIT RELAY & SWITCH

Dallas Semiconductor -> Maxim Integrated

64K NV SRAM with Phantom Clock

CIT Relay and Switch

CIT SWITCH

Maxim Integrated

256K NV SRAM with Phantom Clock

Dallas Semiconductor -> Maxim Integrated

256K NV SRAM with Phantom Clock