Parametric results for: AT27C256R-55JC under OTP ROMs

9 ns 13 10 ns 94 11 ns 13 12 ns 203 13 ns 29 15 ns 420 18 ns 38 20 ns 573 21 ns 16 25 ns 1,175 27 ns 50 28 ns 26 30 ns 636 33 ns 16 35 ns 1,840 37 ns 8 40 ns 656 45 ns 2,884 50 ns 1,215 55 ns 2,292 60 ns 1,408 65 ns 734 70 ns 2,560 75 ns 630 80 ns 1,176 85 ns 657 90 ns 2,195 95 ns 121 100 ns 2,329 105 ns 156 110 ns 86 115 ns 13 120 ns 2,747 125 ns 37 130 ns 11 140 ns 122 150 ns 3,054 170 ns 386 180 ns 58 200 ns 2,363 220 ns 47 250 ns 1,482 270 ns 30 300 ns 340 350 ns 88 390 ns 9 400 ns 21 450 ns 161 500 ns 21 15 µs 68

12.75V PROGRAMMING VOLTAGE 19 2K BYTE EEPROM SERVES AS ATTRIBUTE MEMORY 18 2K BYTE EEPROM SERVES AS ATTRIBUTE MEMORY; PERMIT WRITING WORDS/BYTES 6 2KV ESD PROTECTION 12 90NS ACCESS TIME AT VCC = 3.0 TO 3.6V. 12 ACCESS TIME 70 NANO SECS AT VCC 3V TO 3.6V 22 ACCESS TIME 80 NANO SECS AT VCC 3V TO 3.6V 8 ALSO OPERATES AT 5V SUPPLY 183 ALSO WORKS WITH 5V VCC 15 ASYNCHRONOUS INITIALIZE 12 ATTRIBUTE DATA MAY BE STORED IN MAIN MEMORY 6 BUFFERED COMMON NOT_PRESET AND NOT_CLEAR INPUTS 44 CAN ALSO BE CONFIGURED AS 64K X 16 7 CAN ALSO BE OPERATED AT 4.5V TO 5.5V RANGE 91 CAN ALSO BE OPERATED AT 5V 18 CAN ALSO BE OPERATED AT 5V SUPPLY 9 CAN ALSO OPERATE WITH 5V SUPPLY 84 CONFIGURABLE AS 1M X 16 66 CONFIGURABLE AS 256K X 16 8 CONFIGURABLE AS 256K X 16; 2KV ESD PROTECTION 24 CONFIGURABLE AS 512K X 16 26 CONFIGURABLE AS 512K X 16; TTL COMPATIBLE I/O 40 DATA RETENTION >200 YEARS 45 DATA RETENTION >200 YEARS 116 DIAGNOSTIC PROM 94 EXPRESS 280 FAST COLUMN ACCESS PROM 14 LG-MAX 84 MICROLAN COMPATIBLE 94 OPERATES ALSO AT 5V SUPPLY 25 ORGANIZED AS 4 PAGES OF 32 BYTES EACH 8 OUTPUT REGISTERED 55 PAGE WRITE 59 POWER DOWN PROM 20 POWER SWITCHED PROM 493 POWER-SWITCHED PROM 60 PROCESSOR SPECIFIC PROM 22 PROGRAMMABLE ASYNCHRONOUS REGISTERS 45 PROGRAMMABLE SYNCHRONOUS OR ASYNCHRONOUS OUTPUT ENABLE 11 PROGRAMMABLE SYNCHRONOUS OR ASYNCHRONOUS OUTPUT ENABLE; PROGRAMMABLE ASYNCHRONOUS REGISTERS 66 QUICK PULSE PROGRAMMING ALGORITHM 55 RADIATION-HARDENED PROM 46 RADIATION-HARDENED ROM 148 SIMPLE 4-WIRE INTERFACE 18 STATE MACHINE PROM 35 TTL COMPATIBLE I/O 10 TTL/CMOS COMPATIBLE INPUTS/OUTPUTS 48 UNREGULATED BATTERY POWER SUPPLY RANGE 136 USER CONFIGURABLE AS 1M X 16 16 USER SELECTABLE 5V VCC; TTL COMPATIBLE I/O 12

8 708 16 353 32 4

16.67 kHz 13 400 kHz 6 2.5 MHz 63 4 MHz 1 5 MHz 10 6 MHz 2 10 MHz 112 12 MHz 4 12.5 MHz 5 25 MHz 2

NO 1

10 4

10000.0 Write/Erase Cycles 4

COMMON 15,240 COMMON/SEPARATE 1 SEPARATE 3

R-CDFP-F24 158 R-CDFP-F28 289 R-CDIP-T24 386 R-CDIP-T28 343 R-CQCC-N32 351 R-GDFP-F16 90 R-GDFP-F24 264 R-GDIP-T16 282 R-GDIP-T18 97 R-GDIP-T20 121 R-GDIP-T24 1,022 R-GDIP-T28 259 R-PDFP-F28 227 R-PDIP-T16 511 R-PDIP-T18 285 R-PDIP-T20 379 R-PDIP-T24 1,649 R-PDIP-T28 2,404 R-PDIP-T32 1,475 R-PDIP-T40 910 R-PDIP-T42 294 R-PDIP-T8 77 R-PDSO-G20 95 R-PDSO-G28 1,867 R-PDSO-G32 2,257 R-PDSO-G40 960 R-PDSO-G44 400 R-PDSO-G48 151 R-PDSO-G8 143 R-PQCC-J32 5,902 R-XDFP-F16 490 R-XDFP-F18 167 R-XDFP-F20 142 R-XDFP-F24 529 R-XDFP-F28 559 R-XDIP-T16 1,464 R-XDIP-T18 731 R-XDIP-T20 633 R-XDIP-T24 2,193 R-XDIP-T28 147 R-XQCC-N32 104 R-XQFP-F32 96 S-CQCC-N20 165 S-CQCC-N28 801 S-PQCC-J20 309 S-PQCC-J28 722 S-PQCC-J44 1,952 S-XQCC-N20 151 S-XQCC-N28 319 X-XXMA-X68 129

e0 20,638 e0/e4 99 e2 1 e3 4,307 e3/e4 8 e3/e6 167 e4 377 e6 1

8.89 mm 228 11.43 mm 524 11.5062 mm 149 11.5316 mm 97 11.8 mm 922 12.4 mm 594 13.97 mm 2,978 13.995 mm 1,257 14.05 mm 119 15.367 mm 89 16.51 mm 97 16.585 mm 74 16.586 mm 169 16.5862 mm 1,269 17.9 mm 140 18.25 mm 205 18.288 mm 180 18.4 mm 1,746 18.415 mm 76 19.43 mm 75 19.431 mm 62 20.45 mm 116 20.75 mm 71 20.828 mm 120 24.257 mm 70 28.2 mm 153 31.242 mm 81 31.877 mm 244 31.9405 mm 147 32.004 mm 108 32.0675 mm 123 35.56 mm 241 35.725 mm 175 36.32 mm 208 36.83 mm 301 36.95 mm 97 37.0205 mm 79 37.084 mm 251 37.085 mm 159 41.4 mm 61 41.91 mm 468 42.035 mm 152 42.037 mm 95 42.05 mm 159 42.164 mm 123 52.07 mm 62 52.18 mm 345 52.2 mm 130 52.324 mm 108 52.455 mm 130

3D PLUS 23 ABLIC Inc. 4 Altera Corporation 1 AMD 3,481 AMD Xilinx 45 AMIC Technology 16 Analog Devices Inc 25 Atmel Corporation 2,473 BAE Systems 21 Catalyst Semiconductor 54 Cobham Advanced Electronic Solutions 207 Cobham PLC 130 Cobham Power Products 395 Cobham Semiconductor Solutions 506 Conexant Systems Inc 3 Cypress Semiconductor 2,542 Dallas Semiconductor 61 Data Device Corporation 85 Defense Logistics Agency 17 Epson Electronics America Inc 52 Fairchild Semiconductor Corporation 1,212 Force Technologies Ltd 17 Freescale Semiconductor 129 FUJITSU Limited 555 FUJITSU Semiconductor Limited 506 General Electric Solid State 138 Greenwich Instruments Ltd 6 Harris Semiconductor 621 Hitachi Ltd 83 Holtek Semiconductor Inc 18 Honeywell Microelectronics & Precision Sensors 319 IBM 1 Infineon Technologies AG 3 Integrated Circuit Technology Corp 14 Integrated Silicon Solution Inc 270 Intel Corporation 499 Intersil Corporation 1,789 Lansdale Semiconductor Inc 194 LAPIS Semiconductor Co Ltd 200 LG Semicon Co Ltd 3 LSI Corporation 123 Macronix International Co Ltd 778 Maxim Integrated Products 92 Maxwell Technologies 85 Microchip Technology Inc 1,595 Micron Technology Inc 27 Military Specifications 9 Mitsubishi Electric 149 Monolithic Memories Inc (MMI) 12 Motorola Mobility LLC 29 Motorola Semiconductor Products 156 National Semiconductor Corporation 1,146 NXP Semiconductors 533 OKI Electric Industry Co Ltd 195 onsemi 2 Panasonic Electronic Components 1 Philips Semiconductors 918 Pyramid Semiconductor Corporation 23 QP Semiconductor 562 Raytheon Semiconductor 376 Renesas Electronics Corporation 136 Ricoh Electronic Devices Co Ltd 2 Rochester Electronics LLC 1,054 ROHM Semiconductor 5 Samsung Semiconductor 3 SANYO Electric Co Ltd 2 Seiko Epson Corporation 52 SGS-Ates Componenti Electronici SPA 2 Sharp Corp 21 Signetics 231 SK Hynix Inc 3 SMART Modular Technology Inc 12 Space Electronics Inc 84 Spansion 400 STMicroelectronics 7,394 Supertex Inc 18 Synaptics Incorporated 2 Synertek Inc 3 Teledyne e2v 766 Tenx Technology Inc 38 Texas Instruments 3,059 Thomson Components-Mostek Corp 39 Toshiba America Electronic Components 131 Twilight Technology Inc 27 Vishay Semiconductors 5 Waferscale Integration Inc 176 Winbond Electronics Corp 1 YAGEO Corporation 277

64 bit 8 256 bit 480 512 bit 16 1.024 kbit 1,559 1.536 kbit 10 2.048 kbit 1,256 4.096 kbit 3,051 6.144 kbit 36 8.192 kbit 2,881 16.384 kbit 3,298 32.768 kbit 753 36.288 kbit 25 65.356 kbit 2 65.536 kbit 3,090 131.072 kbit 830 262.144 kbit 4,988 524.288 kbit 3,552 1.0486 Mbit 4,390 2.0972 Mbit 2,006 4.1943 Mbit 2,648 8.3886 Mbit 981 12.5829 Mbit 1 16.7772 Mbit 504 25.1658 Mbit 3 33.5544 Mbit 166 67.1089 Mbit 52 134.2177 Mbit 7 268.4355 Mbit 5 4.295 Gbit 1

CONFIGURATION MEMORY 64 EPROM 119 MEMORY CIRCUIT 92 OTP ROM 34,994 OTP ROM CARD 234 UVPROM 626

1 332 4 4,592 8 27,294 16 4,765 32 77

1 404 2 943 2A 500 3 494 NOT APPLICABLE 1 NOT SPECIFIED 57

-5.2 V 2

1.0 31,054

1 63

16 3,016 18 1,399 2 43 20 2,070 22 92 24 6,306 27 1 28 8,153 3 76 30 6 32 10,301 36 70 38 20 40 1,965 42 308 44 2,397 48 153 50 10 56 2 6 54 60 23 68 129 70 30 8 268 86 4

16 words 3 32 words 1,055 64 words 65 128 words 57 256 words 1,702 512 words 2,973 768 words 30 1.024 k 3,229 1.134 k 27 1.536 k 5 2.048 k 3,890 4.096 k 1,075 8.192 k 2,824 16.384 k 886 18.144 k 10 32.768 k 5,139 36.288 k 42 65.536 k 5,130 131.072 k 3,122 212.942 k 1 262.144 k 2,639 524.288 k 1,880 1.0486 M 1,056 1.5729 M 1 2.0972 M 159 3.1457 M 1 4.1943 M 51 8.3886 M 13 16.7772 M 5 33.5544 M 3 134.2177 M 1

16.0 4 32.0 997 64.0 62 128.0 82 256.0 1,768 512.0 2,978 768.0 36 1000.0 2,957 1134.0 21 1500.0 10 2000.0 3,836 4000.0 1,128 8000.0 2,961 16000.0 1,007 18144.0 10 32000.0 4,985 36288.0 16 64000.0 5,201 128000.0 3,040 212942.0 2 256000.0 2,689 512000.0 1,852 1000000.0 1,162 1536000.0 1 2000000.0 174 3000000.0 3 4000000.0 59 8000000.0 20 1.6E7 7 3.2E7 5 1.28E8 1

ASYNCHRONOUS 28,554 PROGRAMMABLE ASYNCHRONOUS 1 SYNCHRONOUS 2,459

25.0 °C 15 50.0 °C 39 55.0 °C 72 60.0 °C 96 70.0 °C 14,851 75.0 °C 1,888 85.0 °C 8,528 100.0 °C 27 105.0 °C 536 125.0 °C 10,873

-55.0 °C 9,098 -45.0 °C 9 -40.0 °C 10,733 -30.0 °C 46 -25.0 °C 5 -20.0 °C 180 -10.0 °C 17 0.0 °C 16,822 25.0 °C 15

1.5KX1 10 1134X32 21 128KX1 61 128KX16 402 128KX8 2,579 128X8 82 16KX1 28 16KX16 243 16KX8 745 18144X1 10 1KX1 78 1KX4 953 1KX8 1,953 1MX16 445 1MX32 13 1MX8 704 256KX16 1,084 256KX8 1,604 256X4 1,395 256X8 375 2KX16 76 2KX32 18 2KX4 921 2KX8 2,832 2MX16 130 2MX8 42 32KX1 13 32KX16 238 32KX8 4,742 32X8 902 36288X1 14 4KX16 24 4KX32 22 4KX4 436 4KX8 654 4MX16 34 4MX8 23 512KX16 275 512KX32 15 512KX8 1,562 512X4 880 512X8 2,096 64KX1 82 64KX16 1,811 64KX8 3,312 64X1 10 64X8 45 768X8 36 8KX8 2,966 8MX8 16

3-STATE 20,245 OPEN-COLLECTOR 488 OPEN-DRAIN 45 OPEN-EMITTER 54 REGISTERED 150

CERAMIC 6,877 CERAMIC, GLASS-SEALED 2,345 CERAMIC, METAL-SEALED COFIRED 2,937 GLASS 2 METAL 48 PLASTIC/EPOXY 23,480 UNSPECIFIED 1,353

BGA 2 DFP 3,121 DIE 88 DIP 15,652 HQCCJ 30 LBGA 12 LQFP 12 LSOC 10 LSSOP 341 QCCJ 8,794 QCCN 2,054 QFF 129 SDIP 59 SOC 29 SOJ 6 SOP 2,064 SSOP 36 TO-92 38 TSOP 37 TSOP1 2,769 TSOP1-R 58 TSOP2 115 TSOP2-R 10 TSSOP 651 VBCC 1 VBGA 5 WDFP 36 WDIP 95 WQCCJ 18 WQCCN 8

DIE OR CHIP 23 DIP16,.3 2,009 DIP18,.3 1,098 DIP20,.3 1,079 DIP22,.4 84 DIP24,.3 1,529 DIP24,.6 2,671 DIP28,.3 167 DIP28,.6 1,994 DIP32,.6 1,076 DIP40,.6 743 DIP42,.6 211 DIP8,.3 88 FL16,.3 471 FL18,.3 179 FL20,.3 147 FL24,.4 657 FL28,.4 77 FL28,.5 204 FL36,.6,25 24 LCC20,.35SQ 255 LCC28,.35X.55 59 LCC28,.45SQ 705 LCC32,.45X.55 357 LCC44,.65SQ 28 LDCC(UNSPEC) 44 LDCC20,.4SQ 187 LDCC28,.5SQ 306 LDCC32,.5X.6 4,103 LDCC44,.7SQ 1,332 SDIP42,.6 51 SIP3,.1,50 32 SOC6,.17 30 SOP16,.4 41 SOP20,.4 63 SOP24,.4 17 SOP28,.4 242 SOP28,.5 208 SOP32,.56 156 SOP40,.56 51 SOP44,.63 284 SOP8,.25 60 TSOP44,.46,32 27 TSSOP28,.53,22 903 TSSOP28/32,.8,20 104 TSSOP32,.56,20 68 TSSOP32,.8,20 1,427 TSSOP40,.56,20 498 TSSOP40,.8,20 258 TSSOP48,.8,20 96

RECTANGULAR 32,020 ROUND 99 SQUARE 4,571 UNSPECIFIED 274

CHIP CARRIER 10,976 CHIP CARRIER, HEAT SINK/SLUG 30 CHIP CARRIER, VERY THIN PROFILE 1 CHIP CARRIER, WINDOW 20 CYLINDRICAL 62 DISK BUTTON 38 FLATPACK 3,287 FLATPACK, LOW PROFILE 12 FLATPACK, WINDOW 36 GRID ARRAY 2 GRID ARRAY, LOW PROFILE 12 GRID ARRAY, VERY THIN PROFILE 5 IN-LINE 15,938 IN-LINE, SHRINK PITCH 59 IN-LINE, WINDOW 95 MICROELECTRONIC ASSEMBLY 205 SMALL OUTLINE 2,148 SMALL OUTLINE, LOW PROFILE 10 SMALL OUTLINE, LOW PROFILE, SHRINK PITCH 341 SMALL OUTLINE, SHRINK PITCH 36 SMALL OUTLINE, THIN PROFILE 2,987 SMALL OUTLINE, THIN PROFILE, SHRINK PITCH 653 UNCASED CHIP 88

8 1 PARALLEL 30,534 SERIAL 480

-5.2 V 2 3.3 V 26 3.3/5 V 19 5 V 29

2.7 V 14 3 V 729 3.3 V 2,261 3.6 V 40 4 V 8 4.5 V 6 5 V 31,825 5.5 V 12