93LC46 Microchip Technology Inc., 93LC46 Datasheet
93LC46
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93LC46 Summary of contents
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... A typical active read current at 2.5V • typical standby current at 2.5V • ORG pin selectable memory configuration • 128 16-bit organization (93LC46) • 256 128 x 16-bit organization (93LC56) • 512 256 x 16 bit organization (93LC66) • Self-timed erase and write cycles (including auto-erase) • ...
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... ELECTRICAL CHARACTERISTICS (†) Absolute Maximum Ratings V .............................................................................................................................................................................6.5V CC All inputs and outputs w.r.t. V ........................................................................................................ -0. Storage temperature ...............................................................................................................................-65°C to +150°C Ambient temperature with power applied ................................................................................................-40°C to +125°C ESD protection on all pins † NOTICE: Stresses above those listed under “Maximum ratings” may cause permanent damage to the device. This is a stress rating only and functional operation of the device at those or any other conditions above those indicated in the operational listings of this specification is not implied ...
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... MHz. A CLK ™ Model which can be obtained from Microchip’s web site Status Valid 93LC46/56/66 Units Conditions MHz V 4.5V CC MHz V 4. Relative to CLK ns Relative to CLK ns ns Relative to CLK ns Relative to CLK 100 100 pf (Note 2) ...
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... Instruction SB Opcode 1 10 READ 1 00 EWEN 1 11 ERASE 1 00 ERAL 1 01 WRITE 1 00 WRAL 1 00 EWDS TABLE 1-2: INSTRUCTION SET FOR 93LC46: ORG = ORGANIZATION) Instruction SB Opcode 1 10 READ 1 00 EWEN 1 11 ERASE 1 00 ERAL 1 01 WRITE 1 00 WRAL 1 00 EWDS TABLE 1-3: ...
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... WRITE 1 00 WRAL 1 00 EWDS 2004 Microchip Technology Inc. Address D15 - D15 - Address 93LC46/56/66 Req. CLK Data In Data Out Cycles — D15 - D0 27 — High-Z 11 — (RDY/BSY) 11 — (RDY/BSY) 11 (RDY/BSY) 27 (RDY/BSY) 27 — High-Z 11 Req. CLK Data In Data Out Cycles — ...
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... Erase/Write Enable and Disable (EWEN, EWDS) The 93LC46/56/66 power up in the Erase/Write Disable (EWDS) state. All programming modes must be preceded by an Erase/Write Enable (EWEN) instruction. Once the EWEN instruction is executed, programming remains enabled until an EWDS instruction is executed removed from the device ...
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... EWEN status. The WRAL instruction is ensured at 5V ±10%. The DO pin indicates the Ready/Busy status of the device brought high after a minimum of 250 ns low (Tcsl). The WRAL cycle takes 16 ms typical. ••• ••• ••• 0 93LC46/56/ ••• D0 DS21712B-page 7 ...
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... FIGURE 2-2: EWEN TIMING FIGURE 2-3: EWDS TIMING CS CLK FIGURE 2-4: WRITE TIMING CS CLK High-Z DO DS21712B-page 8 X ••• ••• ••• ••• Busy Ready 12 2004 Microchip Technology Inc. ...
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... Ensured by Characterization at Vcc = 4.5V to +5.5V. 2004 Microchip Technology Inc ••• Dx ••• 4.5V to +5. An-1 An-2 A0 ••• ••• 93LC46/56/ Busy Ready High-Z 14 Check Status 11 10 Busy Ready High-Z 12 Check Status 11 10 Busy Ready High-Z 13 ...
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... Reset status. 3.2 Serial Clock (CLK) The serial clock is used to synchronize the communica- tion between a master device and the 93LC46/56/66. Opcode, address and data bits are clocked in on the positive edge of CLK. Data bits are also clocked out on the positive edge of CLK. ...
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... Standard OTP marking consists of Microchip part number, year code, week code, and traceability code. 2004 Microchip Technology Inc. 93LC46/56/66 Example: 93LC46 I/PNNN YYWW Example: 93LC46 I/SNYYWW NNN Example: 93LC46X I/SNYYWW NNN DS21712B-page 11 ...
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... Plastic Dual In-line (P) – 300 mil (PDIP Dimension Limits Number of Pins Pitch Top to Seating Plane Molded Package Thickness Base to Seating Plane Shoulder to Shoulder Width Molded Package Width Overall Length Tip to Seating Plane Lead Thickness Upper Lead Width Lower Lead Width ...
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... L .019 .025 .030 .008 .009 .010 B .013 .017 .020 93LC46/56/66 A2 MILLIMETERS MIN NOM MAX 8 1.27 1.35 1.55 1.75 1.32 1.42 1.55 0.10 0.18 0.25 5.79 6.02 6.20 3.71 3.91 3.99 4.80 4.90 5.00 0.25 0.38 0.51 ...
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... APPENDIX A: REVISION HISTORY Revision B Added note to page 1 header (Not recommended for new designs). Updated document format. DS21712B-page 14 2004 Microchip Technology Inc. ...
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... Microchip's development systems software products. Plus, this line provides information on how customers ® ® can receive the most current upgrade kits. The Hot Line or Microsoft Numbers are: 1-800-755-2345 for U.S. and most of Canada, and 1-480-792-7302 for the rest of the world. 93LC46/56/66 042003 DS21712B-page 15 ...
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... Telephone: (_______) _________ - _________ Application (optional): Would you like a reply? Y Device: 93LC46/56/66 Questions: 1. What are the best features of this document? 2. How does this document meet your hardware and software development needs you find the organization of this document easy to follow? If not, why? 4 ...
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... Device Temperature Package Range Device 93LC46: 1K 2.5V Microwire Serial EEPROM 93LC46X: 1K 2.5V Microwire Serial EEPROM in alternate pinouts (SN package only) 93LC46T: 1K 2.5V Microwire Serial EEPROM (Tape and Reel) 93LC46XT: 1K 2.5V Microwire Serial EEPROM (Tape and Reel) 93LC56: 2K 2.5V Microwire Serial EEPROM 93LC56X ...
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... NOTES: DS21712B-page 18 2004 Microchip Technology Inc. ...
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... Use of Microchip’s products as critical components in life support systems is not authorized except with express written approval by Microchip. No licenses are conveyed, implicitly or otherwise, under any intellectual property rights. 2004 Microchip Technology Inc. Trademarks The Microchip name and logo, the Microchip logo, Accuron, dsPIC ...
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... Via Salvatore Quasimodo, 12 20025 Legnano (MI) Milan, Italy Tel: 39-0331-742611 Fax: 39-0331-466781 Netherlands Waegenburghtplein 4 NL-5152 JR, Drunen, Netherlands Tel: 31-416-690399 Fax: 31-416-690340 United Kingdom 505 Eskdale Road Winnersh Triangle Wokingham Berkshire, England RG41 5TU Tel: 44-118-921-5869 Fax: 44-118-921-5820 07/12/04 2004 Microchip Technology Inc. ...