1 - Al Kossow's Bitsavers

TMS416165,536-0IT MULTIPORT MEMORYcapacitance over recommended supply voltage and operating free-air temperature range, f1 MHzPARAMETER Typt MAX UNITCi(A) Input capacitance, address inputs 4 5 pFCi(D) Input capacitance, data input 4 5 pFCURCI Input capacitance, strobe inputs 8 10 pFCi(W) Input capacitance, write enable input 8 10 pFCi(CK) Input capacitance, serial clock 8 10 pFCi(SI) Input capacitance, serial in 4 5 pFCi(SOE) Input capacitance, serial output enable 4 5 pFCi(TR) Input capacitance, register transfer input 4 5 pFCo(O) Output capacitance, random-access data 5 7 pFCo(SOUT) Output capacitance, serial out 5 7 pFt All typical values are at T A = 25°C and nominal supply voltages.switching characteristics over recommended supply voltage range and operating free-air temperature range(see figure 1)PARAMETERTEST CONDITIONSALT. TMS4161-15 TMS4161-20SYMBOL MIN MAX MIN MAXta(C) Access time from CAS CL = 100 pF tCAC 100 135Access time of a fromta(GE)CL = 100 pF 40 40ta(R)ta(RSO)ta(SOE;TR/DE lowAccess time from RASSOUT access time fromRAS highAccess time from SOElow to SOUTtRLCL = MAX,CL = 100 pFtRAC 150 200CL = 50 pF 60 60CL = 50 pF 20 25 nsta(SOI Access time from SCLK CL = 50 pF 30 30a output disable timetdis(CH)+tOFF20 25from CAS hightdis(OE)+tdis(SOE)+Q output disable timefrom 'fA/DE highSerial output disable timefrom SOE high20 2520 25t The maximum values for tdis(CH). tdis(QE). and tdis(SOE) define the time at which the output achieves the open circuit condition and are not referencedto VOH or VOL.UNITenQ)CJ'S:Q)c......oc.c.::::stJ)...>-oEQ)~'Cc:ca~