mitsubishi - Al Kossow's Bitsavers

MITSUBISHI MICROCOMPUTERSMSL81SSP2048-BIT STATIC RAM WITH I/O PORTS AND TIMERTIMING REQUIREMENTS (Ta=O-70·C, Vcc=5V±5%, unless otherwise noted)AlternativeSymbol Parameter Test conditionssymbolISU(A-L) Address setup time before latch IALIh(L"A) Address hold tilne after lalch ILAIh(L-RWH) Read/write hold time after latchIW(L) Latch pulse width ILLIh(RW-L) Latch hold time after read/write tCLIW(RWL) Read/write low-level pulse width tcctSU(D-W) Data setup time before write towth(W-D) Data hold time after write twotW(RWH) Read/write high-level pulse width tRvtSU(P-R) Port setup time before read t pRIh(R-P) Port hold time after read tRPtW(STB) Strobe pulse width tssISU(P-STB) Port setup time before strobeILCIpssIh(STB-P) Port hold time after strobe IpHSIW(f>H) Timer input high-level pulse width 12I w ( f> L) Timer input low-level pulse width 11t c ( f» Timer input cycle time tcvct r( f» Timer input rise time trtf( f> ) Timer input fafl time IfLimitsUnitMin Typ Max50 ns80 ns100 ns100 ns20 ns250 ns150 ns0 ns300 ns70 ns50 ns200 ns50 ns120 ns120 ns80 ns320 ns30 ns30 nsSWITCHING CHARACTERISTICS (Ta=O-70·C, Vcc=5V±5%, unless otherwise noted.)SymbolParametertPXV(R-DQ) Propagation time from read to data output tRDtPZX(A-OQ) Propagation time from address to data output tADtPVZ(R-OQ) Propagation time from read to data lIoating (Note 2) tRDFtpHL