at25020a ATMEL Corporation, at25020a Datasheet
at25020a
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at25020a Summary of contents
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... HOLD SCK GND Bottom view SPI Serial EEPROM 1K (128x8) 2K (256x8) 4K (512x8) AT25010A AT25020A AT25040A 3348J–SEEPR–8/06 ...
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... This is a stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. MEMORY ARRAY ADDRESS 128/256/512 X 8 DECODER DATA REGISTER MODE ...
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Table 2. Pin Capacitance Applicable over recommended operating range from T Symbol Test Conditions C Output Capacitance (SO) OUT C Input Capacitance (CS, SCK, SI, WP, HOLD) IN Note: 1. This parameter is characterized and is not 100% tested. ...
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Table 4. AC Characteristics Applicable over recommended operating range from TTL Gate and 30 pF (unless otherwise noted) Symbol Parameter f SCK Clock Frequency SCK t Input Rise Time RI t Input Fall Time FI t ...
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Table 4. AC Characteristics (Continued) Applicable over recommended operating range from TTL Gate and 30 pF (unless otherwise noted) Symbol Parameter t Hold to Output Low Hold to Output High ...
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Serial Interface Description AT25010A/020A/040A 6 MASTER: The device that generates the serial clock ...
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Figure 2. SPI Serial Interface AT25010A/020A/040A AT25010A/020A/040A 7 ...
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... Bits 0–7 are “1”s during an internal write cycle. WRITE STATUS REGISTER (WRSR): The WRSR instruction allows the user to select one of four levels of protection. The AT25010A/020A/040A is divided into four array seg- ments. One-quarter, one-half, or all of the memory segments can be protected. Any of Operation Set Write Enable Latch ...
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... NOTE: If the WP pin is brought low or if the device is not write enabled (WREN), the device will ignore the Write instruction and will return to the standby state, when CS is brought high. A new CS falling edge is required to reinitiate the serial communication. AT25010A/020A/040A , RDSR). WC Array Addresses Protected AT25010A AT25020A None None 60−7F C0−FF 40−7F 80−FF 00−7F 00− ...
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Timing Diagrams Figure 3. Synchronous Data Timing (for Mode CSS V IH SCK HI Figure 4. WREN Timing Figure ...
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Figure 6. RDSR Timing SCK INSTRUCTION SI HIGH IMPEDANCE SO Figure 7. WRSR Timing SCK INSTRUCTION SI HIGH IMPEDANCE SO Figure 8. READ Timing 3348J–SEEPR–8/ MSB ...
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Figure 9. WRITE Timing SCK INSTRUCTION SI HIGH IMPEDANCE SO Figure 10. HOLD Timing CS SCK HOLD SO AT25010A/020A/040A 12 BYTE ADDRESS 8 7 ...
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AT25010A Ordering Information Ordering Code (2) AT25010A-10PU-2.7 (2) AT25010A-10PU-1.8 (2) AT25010AN-10SU-2.7 (2) AT25010AN-10SU-1.8 (2) AT25010A-10TU-2.7 (2) AT25010A-10TU-1.8 (2) AT25010AY1-10YU-1.8 (Not recommended for new designs) (3) AT25010AY6-10YH-1.8 (4) AT25010A-W1.8-11 Notes: 1. For 2.7V devices used in the 4.5 to 5.5V range, ...
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... AT25020A Ordering Information Ordering Code (2) AT25020A-10PU-2.7 (2) AT25020A-10PU-1.8 (2) AT25020AN-10SU-2.7 (2) AT25020AN-10SU-1.8 (2) AT25020A-10TU-2.7 (2) AT25020A-10TU-1.8 (2) AT25020AY1-10YU-1.8 (Not recommended for new designs) (3) AT25020AY6-10YH-1.8 (4) AT25020A-W1.8-11 Notes: 1. For 2.7V devices used in the 4.5 to 5.5V range, please refer to performance values in Table on page 3 and Table 4 on page 4. 2. “U” designates Green Package + RoHS compliant. ...
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AT25040A Ordering Information Ordering Code (2) AT25040A-10PU-2.7 (2) AT25040A-10PU-1.8 (2) AT25040AN-10SU-2.7 (2) AT25040AN-10SU-1.8 (2) AT25040A-10TU-2.7 (2) AT25040A-10TU-1.8 (2) AT25040AY1-10YU-1.8 (Not recommended for new designs) (3) AT25040AY6-10YH-1.8 (4) AT25040A-W1.8-11 Notes: 1. For 2.7V devices used in the 4.5 to 5.5V range, ...
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Packaging Information 8P3 – PDIP Top View PLCS Side View Notes: 1. This drawing is for general information only; refer to JEDEC Drawing MS-001, Variation BA, for additional information. 2. Dimensions A and L are measured ...
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JEDEC SOIC e Side View Note: These drawings are for general information only. Refer to JEDEC Drawing MS-012, Variation AA for proper dimensions, tolerances, datums, etc. 1150 E. Cheyenne Mtn. Blvd. Colorado Springs, CO 80906 R 3348J–SEEPR–8/06 1 ...
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TSSOP Pin 1 indicator this corner N Top View Side View Notes: 1. This drawing is for general information only. Refer to JEDEC Drawing MO-153, Variation AA, for proper dimensions, tolerances, datums, ...
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MAP D E Top View Side View 2325 Orchard Parkway San Jose, CA 95131 R 3348J–SEEPR–8/ End View A SYMBOL TITLE 8Y1, 8-lead (4.90 x 3.00 mm ...
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Mini-Map D Notes: 1. This drawing is for general information only. Refer to JEDEC Drawing MO-229, for proper dimensions, tolerances, datums, etc. 2. Dimension b applies to metallized terminal and is measured between 0.15 mm and 0.30 mm ...
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... Revision History 3348J–SEEPR–8/06 Doc. Rev. Comments 3348J Revision History implemented; Added ordering codes for At25020A and AT25040A. AT25010A/020A/040A 21 ...
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... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2006 Atmel Corporation. All rights reserved. Atmel marks or trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Atmel Operations Memory ...