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Features

• Fast Read Access Time – 70 ns

• 5-volt Only Reprogramming

• Sector Program Operation

– Single Cycle Reprogram (Erase and Program)

– 512 Sectors (128 Bytes/Sector)

– Internal Address and Data Latches for 128 Bytes

• Internal Program Control and Timer

• Hardware and Software Data Protection

• FastSectorProgramCycleTime–10ms

• DATA Polling for End of Program Detection

• Low Power Dissipation

– 50mAActiveCurrent

–100µA CMOS Standby Current

• Typical Endurance > 10,000 Cycles

• Single 5V ± 10% Supply

• CMOS and TTL Compatible Inputs and Outputs

• Commercial and Industrial Temperature Ranges

Description

The AT29C512 is a 5-volt only in-system Flash programmable and erasable read only

memory (PEROM). Its 512K of memory is organized as 65,536 words by 8 bits. Man-

ufactured with Atmel’s advanced nonvolatile CMOS technology, the device offers

access times to 70 ns with power dissipation of just 275 mW over the commercial tem-

perature range. When the device is deselected, the CMOS standby current is less

than 100 µA. The device endurance is such that any sector can typically be written to

in excess of 10,000 times.

512K (64K x 8)

5-volt Only

Flash Memory

AT29C512

Rev. 0456E–FLASH–5/02

Pin Configurations

Pin Name Function

A0 - A15 Addresses

Chip Enable

Output Enable

Write Enable

I/O0 - I

O7 Data Inputs/Outputs

NC No Connect

TSOP Top View

Type 1

A11

A13

A14

VCC

A15

A12

A10

I/O7

I/O6

I/O5

I/O4

I/O3

GND

I/O2

I/O1

I/O0

DIP Top View

PLCC Top View

A15

A12

I/O0

I/O1

I/O2

GND

VCC

A14

A13

A11

A10

I/O7

I/O6

I/O5

I/O4

I/O3

I/O0

A14

A13

A11

A10

I/O7

I/O1

I/O2

GND

I/O3

I/O4

I/O5

I/O6

A12

A15

VCC

Summary of content (18 pages)

PAGE 1
Features • Fast Read Access Time – 70 ns • 5-volt Only Reprogramming • Sector Program Operation • • • • • • • • • – Single Cycle Reprogram (Erase and Program) – 512 Sectors (128 Bytes/Sector) – Internal Address and Data Latches for 128 Bytes Internal Program Control and Timer Hardware and Software Data Protection Fast Sector Program Cycle Time – 10 ms DATA Polling for End of Program Detection Low Power Dissipation – 50 mA Active Current – 100 µA CMOS Standby Current Typical Endurance > 10,000 Cycles Singl
PAGE 2
To allow for simple in-system reprogrammability, the AT29C512 does not require high input voltages for programming. 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.
PAGE 3
AT29C512 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.
PAGE 4
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. DATA polling may begin at any time during the program cycle. TOGGLE BIT: In addition to DATA polling the AT29C512 provides another method for determining the end of a program or erase cycle.
PAGE 5
AT29C512 DC and AC Operating Range Operating Temperature (Case) AT29C512-70 AT29C512-90 AT29C512-12 AT29C512-15 0°C - 70°C 0°C - 70°C 0°C - 70°C 0°C - 70°C -40°C - 85°C -40°C - 85°C -40°C - 85°C 5V ± 10% 5V ± 10% 5V ± 10% Com. Ind. 5V ± 5% VCC Power Supply Not recommended for New Designs.
PAGE 6
AC Read Characteristics Symbol Parameter tACC AT29C512-70 AT29C512-90 AT29C512-12 AT29C512-15 Min Min Min Min Max Max Max Max Units Address to Output Delay 70 90 120 150 ns (1) CE to Output Delay 70 90 120 150 ns tOE(2) OE to Output Delay 0 35 0 40 0 50 0 70 ns CE or OE to Output Float 0 10 0 25 0 30 0 40 ns Output Hold from OE, CE or Address, whichever occurred first 0 tCE tDF (3)(4) tOH Note: 0 0 0 ns Not recommended for New Designs.
PAGE 7
AT29C512 Input Test Waveforms and Measurement Level tR, t F < 5 ns Output Test Load 70 ns 90/120/150 ns 5.0V 5.0V 1.8K 1.8K OUTPUT PIN OUTPUT PIN 1.3K 30pF 100pF 1.3K Pin Capacitance f = 1 MHz, T = 25°C(1) Symbol Typ Max Units Conditions CIN 4 6 pF VIN = 0V COUT 8 12 pF VOUT = 0V Note: 1. This parameter is characterized and is not 100% tested.
PAGE 8
AC Byte Load Characteristics Symbol Parameter Min Max Units tAS, tOES Address, OE Set-up Time 0 ns tAH Address Hold Time 50 ns tCS Chip Select Set-up Time 0 ns tCH Chip Select Hold Time 0 ns tWP Write Pulse Width (WE or CE) 90 ns tDS Data Set-up Time 35 ns tDH, tOEH Data, OE Hold Time 0 ns tWPH Write Pulse Width High 100 ns AC Byte Load Waveforms WE Controlled OE tOES tOEH ADDRESS tAS CE tAH tCH tCS WE tWPH tWP tDH tDS DATA IN CE Controlled OE tOES tOEH ADDRES
PAGE 9
AT29C512 Program Cycle Characteristics Symbol Parameter Min Max Units tWC Write Cycle Time 10 ms tAS Address Set-up Time 0 ns tAH Address Hold Time 50 ns tDS Data Set-up Time 35 ns tDH Data Hold Time 0 ns tWP Write Pulse Width 90 ns tBLC Byte Load Cycle Time tWPH Write Pulse Width High 150 100 µs ns Program Cycle Waveforms(1)(2)(3) Notes: 1. A7 through A15 must specify the sector address during each high-to-low transition of WE (or CE). 2.
PAGE 10
Software Data Protection Enable Algorithm(1) Software Data Protection Disable Algorithm(1) LOAD DATA AA TO ADDRESS 5555 LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA A0 TO ADDRESS 5555 WRITES ENABLED LOAD DATA 80 TO ADDRESS 5555 LOAD DATA TO PAGE (128 BYTES)(4) ENTER DATA PROTECT STATE(2) LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA Notes: LOAD DATA 20 TO ADDRESS 5555 1.
PAGE 11
AT29C512 Data Polling Characteristics(1) Symbol Parameter Min tDH Data Hold Time tOEH OE Hold Time Max OE to Output Delay tWR Write Recovery Time Units 10 ns 10 ns (2) tOE Notes: Typ ns 0 ns 1. These parameters are characterized and not 100% tested. 2. See tOE spec in AC Read Characteristics.
PAGE 12
Software Product Identification Entry(1) LOAD DATA AA TO ADDRESS 5555 LOAD DATA AA TO ADDRESS 5555 LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA 55 TO ADDRESS 2AAA LOAD DATA 90 TO ADDRESS 5555 LOAD DATA F0 TO ADDRESS 5555 PAUSE 10 mS Notes: 12 1. 2. 3. 4. 5. Software Product Identification Exit(1) ENTER PRODUCT IDENTIFICATION MODE(2)(3)(5) PAUSE 10 mS EXIT PRODUCT IDENTIFICATION MODE(4) Data Format: I/O7 - I/O0 (Hex); Address Format: A14 - A0 (Hex). A1 - A15 = VIL.
PAGE 13
AT29C512 NORMALIZED SUPPLY CURRENT vs. TEMPERATURE 1.4 N O R M A L I Z E D 1.3 1.2 1.1 1.0 I 0.9 C C 0.8 -55 -25 5 35 65 95 125 TEMPERATURE (C) NORMALIZED SUPPLY CURRENT vs. ADDRESS FREQUENCY 1.1 N O R M 1.0 A L I 0.9 Z E D I C C VCC = 5V T = 25C 0.8 0.7 0 1 2 3 4 5 6 7 FREQUENCY (MHz) NORMALIZED SUPPLY CURRENT vs. SUPPLY VOLTAGE 1.4 N O R M 1.2 A L I 1.0 Z E D I C C 0.8 0.6 4.50 4.75 5.00 5.25 5.
PAGE 14
Ordering Information ICC (mA) tACC (ns) Active Standby Ordering Code Package 70 50 0.1 AT29C512-70JC AT29C512-70PC AT29C512-70TC 32J 32P6 32T Commercial (0° to 70°C) 90 50 0.1 AT29C512-90JC AT29C512-90PC AT29C512-90TC 32J 32P6 32T Commercial (0° to 70°C) 50 0.3 AT29C512-90JI AT29C512-90PI AT29C512-90TI 32J 32P6 32T Industrial (-40° to 85°C) 50 0.1 AT29C512-12JC AT29C512-12PC AT29C512-12TC 32J 32P6 32T Commercial (0° to 70°C) 50 0.
PAGE 15
AT29C512 Packaging Information 32J – PLCC 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER 1.14(0.045) X 45˚ 0.318(0.0125) 0.191(0.0075) E1 E2 B1 E B e A2 D1 A1 D A 0.51(0.020)MAX 45˚ MAX (3X) COMMON DIMENSIONS (Unit of Measure = mm) D2 Notes: 1. This package conforms to JEDEC reference MS-016, Variation AE. 2. Dimensions D1 and E1 do not include mold protrusion. Allowable protrusion is .010"(0.254 mm) per side.
PAGE 16
32P6 – PDIP D PIN 1 E1 A SEATING PLANE A1 L B B1 e E 0º ~ 15º C COMMON DIMENSIONS (Unit of Measure = mm) REF SYMBOL eB Note: 1. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25 mm (0.010"). MIN NOM MAX NOTE A – – 4.826 A1 0.381 – – D 41.783 – 42.291 E 15.240 – 15.875 E1 13.462 – 13.970 B 0.356 – 0.559 B1 1.041 – 1.651 L 3.048 – 3.556 C 0.203 – 0.381 eB 15.494 – 17.526 e Note 1 Note 1 2.
PAGE 17
AT29C512 32T – TSOP PIN 1 0º ~ 8º c Pin 1 Identifier D1 D L b e L1 A2 E A GAGE PLANE SEATING PLANE COMMON DIMENSIONS (Unit of Measure = mm) A1 MIN NOM MAX A – – 1.20 A1 0.05 – 0.15 A2 0.95 1.00 1.05 D 19.80 20.00 20.20 D1 18.30 18.40 18.50 Note 2 E 7.90 8.00 8.10 Note 2 L 0.50 0.60 0.70 SYMBOL Notes: 1. This package conforms to JEDEC reference MO-142, Variation BD. 2. Dimensions D1 and E do not include mold protrusion. Allowable protrusion on E is 0.
PAGE 18
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