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features ? switchable organization - 512k x 8 (byte mode) - 256k x 16 (word mode) single +5v power supply fast access time:100/120/150ns totally static operation pin description symbol pin function a0~a17 address input q0~q14 data output ce chip enable input oe output enable input byte word/byte selection q15/a-1 q15(word mo de)/lsb address(byte mode) vcc power supply pin (+5v) vss ground pin general description the mx23c4100 is a 5v only, 4m-bit, read only memory. it is organized as 512kx8 bits (byte mode) or as 256kx16 bit (word mode) depending on byte (pin 31) voltage level. mx23c4100 has a static standby mode, and has an access time of 100/120/150/200ns. it is designed to be compatible with all microprocessors and similar applications in which high performance, large bit storage and simple interfacing are important design considerations. completely ttl compatible operating current: 60ma standby current: 100ua package - 40 pin dip (600 mil) - 40 pin sop pin configuration 40 pdip/sop mx23c4100 offers automatic power-down, with power- down controlled by the chip enable (ce) input. when ce is not selected, the device automatically powers down and remains in a low-power standby mode as long as ce stays in the unselected mode. the oe input as well as oe input may be programmed active low. block diagram 1 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 4m-bit [512k x 8/256k x 16] mask rom control logic output buffers q0~q14 ce oe byte q15/a-1 a0~a17 address inputs y-decoder x-decoder y-decoder 4m bit rom array vcc vss . . . . . . . . . . . . . . . . mx23c4100 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 a17 a7 a6 a5 a4 a3 a2 a1 a0 ce vss oe q0 q8 q1 q9 q2 q10 q3 q11 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 21 a8 a9 a10 a11 a12 a13 a14 a15 a16 byte vss q15/a-1 q7 q14 q6 q13 q5 q12 q4 vcc
2 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 truth table of byte function byte mode (byte=vss) ce oe d15/a-1 mode d0-d7 supply current note h x x non selected high z standby (icc2) 1 l h x non selected high z operating (icc1) 1 l l a-1 input selected dout operating (icc1) 1 word mode (byte=vcc) ce oe d15/a-1 mode d0-d7 supply current note h x high z non selected high z standby (icc2) 1 l h high z non selected high z operating (icc1) 1 l l dout selected dout operating (icc1) 1 absolute maximum ratings* rating value ambient operating temperature 0 c to 70 c storage temperature -65 c to 125 c applied input voltage -0.5v to 7.0v applied output voltage -0.5v to 7.0v vcc to ground potential -0.5v to 7.0v power dissipation 1.0w *note: stress greater than those listed under absolute maximum ratings may cause permanent damage to the device. this is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. ex- posure to absolute maximum rating conditions for extended period may affect reliability. note1:x=h or l dc characteristics (ta = 0 c ~ 70 c, vcc = 5v 10%) item symbol min. max. conditions output high voltage voh 2.4v - ioh = -1.0ma output low voltage vol - 0.4v iol = 2.1ma input high voltage vih 2.2v vcc+0.3v input low voltage vil -0.3v 0.8v input leakage current ili - 10ua vin=0 to 5.5v output leakage current ilo - 10ua v out=0 to 5.5v power-down supply current icc3 - 100ua ce>vcc-0.2v standby supply current icc2 - 1.0ma ce = vih operating supply current icc1 - 60ma note 1 3 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 capacitance (ta = 25 c, f=1.0mhz (note 2)) item symbol min. max. unit conditions input capacitance cin - 10 pf vin=0v output capacitance cout - 10 pf vout=0v ac test conditions input pulse levels 0.4v to 2.4v input rise and fall times 10ns input timing level 1.5v output timing level 0.8v and 2.0v output load 1tll+100pf ac characteristics (ta = 0 c ~ 70 c, vcc = 5v 10%) item symbol 23C4100-10 23c4100-12 23c4100-15 min. max. min. max. min. max. cycle time tcyc 100ns - 120ns - 150ns - address access time taa - 100ns - 120ns - 150ns output hold time after toh 0ns - 0ns - 0ns - address change chip enable access time tace - 100ns - 120ns - 150ns output enable select taoe - 50ns - 70ns - 80ns access time output high z delay thz - 20ns - 20ns - 20ns note: 1. measured with device selected at f=5 mhz and output unloaded. 2. this parameter is periodically sampled and is not 100% teseted. 4 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 timing diagram random read tace taa toh thz add add add add ce oe data note:ce, oe are enable valid valid valid trc toe 5 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 package information 6 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 7 p/n:pm0136 rev. 3.8, jun. 19, 2003 mx23c4100 revision history revision description page date 3.3 ac characteristics toh 10ns-->0ns p3 jan/29/1999 3.4 modify mx23C4100-10 ac characteristics:taoe:60ns-->50ns(max.) p3 oct/17/2000 thz:70ns-->20ns(max.) p3 3.5 delete fast time:200ns p1,3 jan/19/2001 modify ce/ce-->ce ; oe/oe-->oe p1,2 modify ac characteristics p3 modify timing diagram p4 delete order information p5 3.6 modify package information p5,6 jul/16/2001 3.7 modify package information p5,6 nov/21/2002 3.8 modify 40-pdip package information p5 jun/19/2003 mx23c4100 m acronix i nternational c o., l td . headquarters: tel:+886-3-578-6688 fax:+886-3-563-2888 europe office : tel:+32-2-456-8020 fax:+32-2-456-8021 hong kong office : tel:+86-755-834-335-79 fax:+86-755-834-380-78 japan office : kawasaki office : tel:+81-44-246-9100 fax:+81-44-246-9105 osaka office : tel:+81-6-4807-5460 fax:+81-6-4807-5461 singapore office : tel:+65-6346-5505 fax:+65-6348-8096 taipei office : tel:+886-2-2509-3300 fax:+886-2-2509-2200 m acronix a merica, i nc. tel:+1-408-262-8887 fax:+1-408-262-8810 http : //www.macronix.com macronix international co., ltd. reserves the right to change product and specifications without notice. |
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