AT17LV512A ATMEL [ATMEL Corporation], AT17LV512A Datasheet

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AT17LV512A

Manufacturer Part Number
AT17LV512A
Description
FPGA Serial Configuration Memories
Manufacturer
ATMEL [ATMEL Corporation]
Datasheet

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Features
Description
The AT17C512/010A and AT17LV512/010A (AT17A Series) FPGA Configuration
EEPROMs (Configurators) provide and easy-to-use, cost-effective configuration
memory for programming Altera FLEX Field Programmable Gate Arrays, FPGA, (the
“devices”). The AT17A Series is packaged in the popular 20-pin PLCC package. The
AT17A Series family uses a simple serial-access procedure to configure one or more
FPGA devices. The AT17A Series organization supplies enough memory to configure
one or multiple smaller FPGAs. Using a special feature of the AT17A Series, the user
can select the polarity of the reset function by programming an EEPROM byte. The
AT17C/LV512/010A parts generate their own internal clock and can be used as a sys-
tem “master” for loading the FPGA devices.
The Atmel devices also supports a system friendly READY pin and a write protect
mechanism. The READY pin is used to simplify system power-up considerations. The
WP1 pin is used to protect part of the device memory during in-system programming.
The AT17A Series can be programmed with industry standard programmers.
Pin Configurations
Serial EEPROM Family for Configuring Altera FLEX 10K Devices
Simple, Easy-to-use 4-pin Interface
E
For Programmable Gate Arrays
Cascadable To Support Additional Configurations or Future Higher-density Arrays
Low-power CMOS EEPROM Process
Programmable Reset Polarity
Available in the Space-efficient Surface-mount PLCC Package
In-System Programmable Via 2-Wire Bus
Emulation of 24CXX Serial EPROMs
Available in 3.3V
RESET/OE
2
Programmable 1M Bit Serial Memories Designed To Store Configuration Programs
DCLK
WP1
NC
NC
4
5
6
7
8
20-Pin PLCC
10% LV and 5V
18
17
16
15
14
SER_EN
NC
NC
READY
NC
5% C Versions
FPGA Serial
Configuration
Memories
AT17C512A
AT17LV512A
AT17C010A
AT17LV010A
Rev. 0974A–04/98
1

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AT17LV512A Summary of contents

Page 1

... WP1 pin is used to protect part of the device memory during in-system programming. The AT17A Series can be programmed with industry standard programmers. Pin Configurations 20-Pin PLCC DCLK 4 18 WP1 RESET/ Versions SER_EN NC NC READY NC FPGA Serial Configuration Memories AT17C512A AT17LV512A AT17C010A AT17LV010A Rev. 0974A–04/98 1 ...

Page 2

Block Diagram SER_EN OSC CONTROL OSC DCLK Device Configuration The control signals for configuration EEPROMs–nCS, OE, and DCLK–interface directly with the FPGA device control signals. All FPGA devices can control the entire configura- tion process and retrieve data from the ...

Page 3

Once the first AT17A Series device finishes sending configuration data, it drives its nCASC pin low, which drives the nCS pin of the second AT17A Series device low. This activates the second AT17A Series device to send configuration ...

Page 4

Pin Configurations Pin Number (20-Pin PLCC) Pin Name Pin Type 2 DATA Output 4 DCLK 5 WP1 8 RESET/OE 9 nCS 10 GND Ground 12 nCASC Output A2 15 READY Output 18 SER_EN Absolute Maximum Ratings* Operating ...

Page 5

Operating Conditions Symbol Description Supply voltage relative to GND Commercial - +70 C Supply voltage relative to GND V Industrial CC - +85 C Supply voltage relative to GND Military - +125 C AT17CXXXA ...

Page 6

DC Characteristics Commercial / 5V CC Symbol Description V High-level input voltage IH V Low-level input voltage IL V High-level output voltage ( Low-level output voltage ( High-level output voltage (I OH ...

Page 7

AC Characteristics AC Characteristics When Cascading 7 ...

Page 8

AC Characteristics for AT17C010A/512A Commercial / Symbol Description ( Data Delay OE (2) T nCS to Data Delay CE (2) T CLK to Data Delay CAC (2) ...

Page 9

AC Characteristics for AT17C010A/512A V = 3.3V 10% Commercial / V CC Symbol Description ( Data Delay OE (2) T nCS to Data Delay CE (2) T CLK to Data Delay CAC (2) T Data Hold ...

Page 10

... Bit AT17C010A-10JC AT17C010A-10JI Ordering Information - 3.3V Devices Memory Size (K) Ordering Code (1) 512K AT17LV512A-10JC AT17LV512A-10JI (2) 1M Bit AT17LV010A-10JC AT17LV010A-10JI Notes: 1. Use 512K density parts to replace Altera EPC1441. 2. Use 1M density parts to replace Altera EPC1 20J 20-Lead, Plastic J-Leaded Chip Carrier (PLCC) AT17C/LV/512A/010A ...

Page 11

Packaging Information 20J, 20-Lead, Plastic J-Leaded Chip Carrier (PLCC) Dimensions in Inches and (Millimeters) JEDEC STANDARD MS-018 AA 11 ...

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