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dear customers, about the change in the name such as "oki electric industry co. ltd." and "oki" in documents to oki semiconductor co., ltd. the semiconductor business of oki electric industry co., ltd. was succeeded to oki semiconductor co., ltd. on oc tober 1, 2008. therefore, please accept that although the terms and marks of "oki electric indust ry co., ltd.", ?oki electric?, and "oki" remain in the documents, they all have been changed to "oki semiconductor co., ltd.". it is a change of the company name, the co mpany trademark, and the logo, etc. , and not a content change in documents. october 1, 2008 oki semiconductor co., ltd. 550-1 higashiasakawa-cho, hachio ji-shi, tokyo 193-8550, japan http://www.okisemi.com/en/
fedr27v3202e-01-01 1 semiconductor this version : jul. 2000 previous version: ---------- mr27v3202e 2,097,152?word 16?bit or 4,194,304?word 8?bit one time prom 1/11 general description the mr27v3202e is a 32 mbit electrically one time programmable read-only memory that can be electrically switched between 2,097,152-word 16-bit and 4,194,304-word 8-bit by the state of the byte pin. the mr27v3202e supports high speed asynchronous read operation using a single 3.3v power supply. features 2097,152-word 16-bit/4,194,304-word 8-bit electrically switchable configuration +3.3 v power supply access time 90 ns max operating current 50 ma max standby current 50 a max input/output ttl compatible tri-state output packages: 44-pin plastic sop (sop44-p-600-1.27-k) (product name : MR27V3202EMA) 44-pin plastic tsop (tsop ii 44-p-400-0.80-k) (product name : mr27v3202etp)
fedr27v3202e-01-01 1 semiconductor mr27v3202e 2/11 pin configuration (top view) pin name functions d15/a?1 data output/address input a0 to a20 address input d0 to d14 data output ce chip enable oe output enable byte /v pp mode switch/program power supply voltage v cc power supply voltage v ss gnd nc non connection 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 44 43 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 a20 a19 a8 a9 a10 a11 a12 a13 a14 a15 a16 byte /v pp v ss d15/a?1 d7 d14 d6 d13 d5 d12 d4 v cc nc a18 a17 a7 a6 a5 a4 a3 a2 a1 a0 ce v ss oe d0 d8 d1 d9 d2 d10 d3 d11 44- p in sop , tsop ( ii )
fedr27v3202e-01-01 1 semiconductor mr27v3202e 3/11 block diagram function table mode ce oe byte /v pp v cc d0 to d7 d8 to d14 d15/a?1 read (16-bit) l l h d out read (8-bit) l l l d out hi?z l/h h output disable l h l hi?z ? h standby h ? l 3.3 v hi?z ? program l h d in program inhibit h h hi?z program verify h l 9.75 v 4.0 v d out ? : don?t care (h or l) a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20 ce byte /v pp oe ce pgm oe 8/ 16 switch d0 d2 d4 d6 d8 d10 d12 d14 d1 d3 d5 d7 d9 d11 d13 d15 memory cell matrix 2,097,152 16-bit or 4,194,304 8-bit multiplexer output buffer row decoder column decoder address buffer in 8-bit output mode, these pins are placed in a high-z state and pin d15 functions as the a-1 address pin. a?1
fedr27v3202e-01-01 1 semiconductor mr27v3202e 4/11 absolute maximum ratings parameter symbol condition value unit operating temperature under bias ta 0 to 70 c storage temperature tstg ? ?55 to 125 c input voltage v i ?0.5 to v cc +0.5 v output voltage v o ?0.5 to v cc +0.5 v power supply voltage v cc ?0.5 to 5 v program power supply voltage v pp relative to v ss ?0.5 to 11.5 v power dissipation per package p d ?1.0w recommended operating conditions (ta = 0 to 70c) parameter symbol condition min. typ. max. unit v cc power supply voltage v cc 3.0 ? 3.6 v v pp power supply voltage v pp ?0.5 ? v cc +0.5 v input ?h? level v ih 2.2 ? v cc +0.5 ? v input ?l? level v il v cc = 3.0 to 3.6 v ?0.5 ?? ?0.6 v voltage is relative to v ss . ? : vcc+1.5v(max.) when pulse width of overshoot is less than 10ns. ?? : -1.5v(min.) when pulse width of undershoot is less than 10ns.
fedr27v3202e-01-01 1 semiconductor mr27v3202e 5/11 electrical characteristics dc characteristics (v cc = 3.3 v 0.3 v, ta = 0 to 70c) parameter symbol condition min. typ. max. unit input leakage current i li v i = 0 to v cc ??10 a output leakage current i lo v o = 0 to v cc ??10 a i ccsc ce = v cc ??50 a v cc power supply current (standby) i ccst ce = v ih ?? 1m v cc power supply current (read) i cca ce = v il , oe = v ih tc = 90 ns ??50ma v pp power supply current i pp v pp = v cc ??10 a input ?h? level v ih ?2.2?v cc +0.5 ? v input ?l? level v il ? ?0.5 ?? ?0.6 v output ?h? level v oh i oh = ?2 ma 2.4 ? ? v output ?l? level v ol i ol = 4 ma ? ? 0.4 v voltage is relative to v ss . ? : vcc+1.5v(max.) when pulse width of overshoot is less than 10ns. ?? : -1.5v(min.) when pulse width of undershoot is less than 10ns. ac characteristics (v cc = 3.3 v 0.3 v, ta = 0 to 70c) parameter symbol condition min. max. unit address cycle time t c ?90?ns address access time t acc ce = oe = v il ?90ns ce access time t ce oe = v il ?90ns oe access time t oe ce = v il ?45ns t chz oe = v il 030ns output disable time t ohz ce = v il 025ns output hold time t oh ce = oe = v il 0?ns measurement conditions input signal level-------------------------------- 0 v/3 v input timing reference level ------------------ 0.8 v/2.0 v output load -------------------------------------- 100 pf output timing reference level---------------- 0.8 v/2.0 v output 1.73 v 330 ? 100 pf (including scope and jig)
fedr27v3202e-01-01 1 semiconductor mr27v3202e 6/11 timing chart (read cycle) 16-bit read mode ( byte = v ih ) a0 to a20 ce oe d0 to d15 t c t ce t oe t acc t oh t chz t ohz valid data hi-z hi-z 8-bit read mode ( byte = v il ) a?1 to a20 ce oe d0 to d7 t c t ce t oe t acc t oh t chz t ohz valid data hi-z hi-z d8 to d14 hi-z
fedr27v3202e-01-01 1 semiconductor mr27v3202e 7/11 electrical characteristics (programming operation) dc characteristics (ta = 25c 5c) parameter symbol condition min. typ. max. unit input leakage current i li v i = v cc +0.5 v ? ? 10 a v pp power supply current (program) i pp2 ce = v il ??50ma v cc power supply current i cc ???50ma input ?h? level v ih ?3.0?v cc +0.5 v input ?l? level v il ? ?0.5 ? 0.8 v output ?h? level v oh i oh = ?400 a2.4 ? ? v output ?l? level v ol i ol = 2.1 ma ? ? 0.45 v program voltage v pp ? 9.5 9.75 10.0 v v cc power supply voltage v cc ? 3.9 4.0 4.1 v voltage is relative to v ss . ac characteristics (v cc = 4.0 v 0.1 v, byte /v pp = 9.75 v 0.25 v, ta = 25c 5c) parameter symbol condition min. typ. max. unit address set-up time t as ? 100 ? ? ns oe set-up time t oes ?2?? s data set-up time t ds ? 100 ? ? ns address hold time t ah ?2?? s data hold time t dh ? 100 ? ? ns output float delay time from oe t ohz ? 0 ? 100 ns v pp voltage set-up time t vs ?2?? s program pulse width t pw ? 9 10 11 s data valid from oe t oe ? ? ? 100 ns address hold from oe high t aoh ?0??ns pin check function pin check function is to check contact between each device-pin and each socket-lead with eprom programmer. setting up address as following condition call the preprogrammed codes on device outputs. (v cc = 3.3 v 0.3 v, ce = v il , oe = v il , byte /v pp = v ih , ta = 25c 5c) a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15 a16 a17 a18 a19 a20 data 010101010 vh ? 01010100110ff00 101010101 vh ? 1010101100100ff other conditions ffff ? : vh = 8 v 0.25 v
fedr27v3202e-01-01 1 semiconductor mr27v3202e 8/11 consecutive programming waveforms consecutive program verify waveforms t as a0 to a20 ce oe d0 to d15 t ah t pw din high byte /vpp t dh t ds t vs din t ohz t aho t acc a0 to a20 ce oe d0 to d15 high byte /vpp dout t oe dout 9.75 v
fedr27v3202e-01-01 1 semiconductor mr27v3202e 9/11 program and program verify cycle waveforms pin capacitance (v cc = 3.3 v, ta = 25c, f = 1 mhz) parameter symbol condition min. typ. max. unit input c in1 ?? 8 byte /v pp c in2 v i = 0 v ? ? 120 output c out v o = 0 v ? ? 10 pf t ohz t ds t oe t as a0 to a20 ce oe d0 to d15 t aho t pw dout byte /vpp t dh din t oes t ohz 9.75 v
fedr27v3202e-01-01 1 semiconductor mr27v3202e 10/11 programming/verify flow chart ng yes no no v cc = 3.0 v/v pp = 3.0 v device passed start last address? x = 0 verify(one word) last address? ng x = 2? x = x+1 increment address program 10 s programming pin check ng pass verify verify start verify pin check bad insertion device passed yes yes pass pass ng pass ng pass ng pass no v cc = 3.6 v/v pp = 3.6 v device failed bad insertion address = first location v cc = 4.0 v v pp = 9.75 v program 10 s verify device failed v cc = 3.0 v/v pp = 3.0 v address = first location increment address address = first location
fedr27v3202e-01-01 1 semiconductor mr27v3202e 11/11 notice 1. the information contained herein can change without notice owing to product and/or technical improvements. before using the product, please make sure that the information being referred to is up-to-date. 2. the outline of action and examples for application circuits described herein have been chosen as an explanation for the standard action and performance of the product. when planning to use the product, please ensure that the external conditions are reflected in the actual circuit, assembly, and program designs. 3. when designing your product, please use our product below the specified maximum ratings and within the specified operating ranges including, but not limited to, operating voltage, power dissipation, and operating temperature. 4. oki assumes no responsibility or liability whatsoever for any failure or unusual or unexpected operation resulting from misuse, neglect, improper installation, repair, alteration or accident, improper handling, or unusual physical or electrical stress including, but not limited to, exposure to parameters beyond the specified maximum ratings or operation outside the specified operating range. 5. neither indemnity against nor license of a third party?s industrial and intellectual property right, etc. is granted by us in connection with the use of the product and/or the information and drawings contained herein. no responsibility is assumed by us for any infringement of a third party?s right which may result from the use thereof. 6. the products listed in this document are intended for use in general electronics equipment for commercial applications (e.g., office automation, communication equipment, measurement equipment, consumer electronics, etc.). these products are not authorized for use in any system or application that requires special or enhanced quality and reliability characteristics nor in any system or application where the failure of such system or application may result in the loss or damage of property, or death or injury to humans. such applications include, but are not limited to, traffic and automotive equipment, safety devices, aerospace equipment, nuclear power control, medical equipment, and life-support systems. 7. certain products in this document may need government approval before they can be exported to particular countries. the purchaser assumes the responsibility of determining the legality of export of these products and will take appropriate and necessary steps at their own expense for these. 8. no part of the contents contained herein may be reprinted or reproduced without our prior permission. copyright 2000 oki electric industry co., ltd.

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