AT29C512 ATMEL Corporation, AT29C512 Datasheet
AT29C512
Available stocks
Related parts for AT29C512
AT29C512 Summary of contents
Page 1
... Five-volt-only commands determine the operation of the device. Reading data out of the device is similar to reading from an EPROM. Reprogramming the AT29C512 is performed on a sector basis; 128 bytes of data are loaded into the device and then simultaneously programmed. During a reprogram cycle, the address locations and 128 bytes of data are internally latched, freeing the address and data bus for other operations ...
Page 2
... Pin Configurations Pin Name A0 - A15 I/O0 - I/O7 NC 2.1 32-lead PLCC Top View 2.2 32-lead TSOP (Type 1) Top View AT29C512 2 Function Addresses Chip Enable Output Enable Write Enable Data Inputs/Outputs No Connect I/ ...
Page 3
... Read The AT29C512 is accessed like an EPROM. When CE and OE are low and WE is high, the data stored at the memory location determined by the address pins is asserted on the outputs. The outputs are put in the high impedance state whenever high. This dual-line control gives designers flexibility in preventing bus contention ...
Page 4
... Software Data Protection A software controlled data protection feature is available on the AT29C512. Once the software protection is enabled a software algorithm must be issued to the device before a program may be performed. The software protection feature may be enabled or disabled by the user; when shipped from Atmel, the software data protection feature is disabled. To enable the software data protection, a series of three program commands to specific addresses with specific data must be performed ...
Page 5
... DATA Polling The AT29C512 features DATA polling to indicate the end of a program cycle. During a program cycle an attempted read of the last byte loaded will result in the complement of the loaded data on I/O7. Once the program cycle has been completed, true data is valid on all outputs and the next cycle may begin ...
Page 6
... Device Code Manufacturer Code Device Code IH Min Max 10 10 Com. 100 Ind. 300 3 50 0.8 2.0 0.45 2.4 4.2 AT29C512-15 0°C - 70°C -40°C - 85°C 5V ± 10% I/O D OUT D IN High Z High Z (4) (4) (4) (4) Units µA µA µA µ 0456H–FLASH–2/05 ...
Page 7
... Max Min (1)(2)(3)( after the address transition without impact on t ACC after the falling edge of CE without impact AT29C512 AT29C512-12 AT29C512-15 Max Min Max Min 90 120 90 120 ACC ...
Page 8
... Input Test Waveforms and Measurement Level t R 12. Output Test Load 13. Pin Capacitance ( MHz 25°C Symbol Typ OUT Note: 1. This parameter is characterized and is not 100% tested. AT29C512 < 5.0V 1.8K OUTPUT PIN 30pF 1.3K Max 6 12 90/120/150 ns 5.0V 1.8K OUTPUT ...
Page 9
... DATA IN 15.2 CE Controlled OE ADDRESS WE CE DATA IN 0456H–FLASH–2/ OES OEH OES t OEH AT29C512 Min Max 100 t WPH WPH t DH Units ...
Page 10
... Program Cycle Waveforms Notes through A15 must specify the sector address during each high-to-low transition of WE (or CE must be high when WE and CE are both low. 3. All bytes that are not loaded within the sector being programmed will be indeterminate. AT29C512 10 Min 100 (1)(2)(3) ...
Page 11
... BYTE ADDRESS 5555 2AAA 5555 SECTOR ADDRESS BYTE 0 AT29C512 (1) LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA 80 TO ADDRESS 5555 LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA 20 ...
Page 12
... OE 24. Toggle Bit Waveforms (2) I/O6 Notes: 1. Toggling either both OE and CE will operate toggle bit. 2. Beginning and ending state of I/O6 will vary. 3. Any address location may be used but the address should not vary. AT29C512 12 (1) (1) (1)(2)(3) t OEH HIGH Z ...
Page 13
... ADDRESS 2AAA LOAD DATA 90 TO ADDRESS 5555 PAUSE 10 mS ENTER PRODUCT IDENTIFICATION (2)(3)(5) MODE (1) LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA F0 TO ADDRESS 5555 PAUSE 10 mS EXIT PRODUCT IDENTIFICATION (4) MODE ; Device Code is read for AT29C512 . IH 13 ...
Page 14
... Normalized I Graphs CC AT29C512 14 NORMALIZED SUPPLY CURRENT vs. TEMPERATURE 0.8 -55 - TEMPERATURE (C) NORMALIZED SUPPLY CURRENT vs. ADDRESS FREQUENCY 25C FREQUENCY (MHz) NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE 1 1 ...
Page 15
... Ordering Code AT29C512-70JC AT29C512-70TC AT29C512-70JI AT29C512-70TI AT29C512-90JC AT29C512-90TC AT29C512-90JI AT29C512-90TI AT29C512-12JC AT29C512-12TC AT29C512-12JI AT29C512-12TI AT29C512-15JC AT29C512-15TC AT29C512-15JI AT29C512-15TI Ordering Code AT29C512-70JU AT29C512-70TU AT29C512-90JU AT29C512-90TU Package Type AT29C512 Package Operation Range 32J Commercial 32T (0° to 70°C) 32J Industrial 32T (-40° ...
Page 16
... Allowable protrusion is .010"(0.254 mm) per side. Dimension D1 and E1 include mold mismatch and are measured at the extreme material condition at the upper or lower parting line. 3. Lead coplanarity is 0.004" (0.102 mm) maximum. 2325 Orchard Parkway San Jose, CA 95131 R AT29C512 16 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER E1 E ...
Page 17
... Orchard Parkway San Jose, CA 95131 R 0456H–FLASH–2/05 PIN SEATING PLANE A1 TITLE 32T, 32-lead ( Package) Plastic Thin Small Outline Package, Type I (TSOP) AT29C512 0º ~ 8º GAGE PLANE COMMON DIMENSIONS (Unit of Measure = mm) SYMBOL MIN NOM MAX A – ...
Page 18
... Atmel Corporation 2005. All rights reserved. Atmel SM Everywhere You Are and others are the trademarks of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. Atmel Operations Memory ...