CDP68HC68R2

_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ Random-Access Memories (RAMs) Product Preview M~~~O:I :O:SI NC 3 VSS 4 VIEWTOP 6 CE 5 ss 92CS-3786!5 TERMINAL ASSIGNMENT CDP68HC68R1, CDP68HC68R2 CMOS 128-Word (CDP68HC68R1) and 256-Word (CDP68HC68R2) by 8-Bit Static RAMs Features: Fully static operation Operating voltage range: 3 VtoS.S V Typical standby current=1 pA Directly compatible with RCA/Motorola SPI bus Separate data input and threestate data output pins Input data and clock buffers gated off with chip enable Automatic sequencing for fast multiple-byte accesses Low minimum data retention voltage: 2 V Wide operating temperature range: -40· C to +8S· C The RCA CDP68HC68R1 and CDP68HC68R2are 128-word and 256-word by 8-bit static random-access memories, respectively. The memories are intended for use in systems utilizing a synchronous serial three-wire (clock, data in, and data out) interface where minimum package size, interconnect wiring,...