Features • Programmable 33,554,432 x 1-bit Serial Memories Designed to Store Configuration Programs for Field Programmable Gate Arrays (FPGAs) • 3.3V Output Capability • 5V Tolerant I/O Pins • Program Support using the Atmel ATDH2200E System or Industry Third Party Programmers • In-System Programmable (ISP) via 2-wire Bus • Simple Interface to SRAM FPGAs • Compatible with Atmel AT40K and AT94K Devices, Altera® FLEX®, APEX™ Devices, • • • • • • • • • Stratix™, Lattice Semiconductor® (ORCA®) FPGAs, Spartan®, Virtex™ FPGAs Cascadable Read-back to Support Additional Configurations or Higher-density Arrays Low-power CMOS FLASH Process Available in 44-lead PLCC Package Emulation of Atmel’s AT24CXXX Serial EEPROMs Low-power Standby Mode Single Device Capable of Holding 4 Bit Stream Files Allowing Simple System Reconfiguration Fast Serial Download Speeds up to 33 MHz Endurance: 10,000 Write Cycles Typical LHF Package Available (Lead and Halide Free) FPGA Configuration Flash Memory AT17F32 1. Description The AT17F Series of In-System Programmable Configuration PROMs (Configurators) provide an easy-to-use, cost-effective configuration memory for Field Programmable Gate Arrays. The AT17F Series device is packaged in the 44-lead PLCC, see Table 11. The AT17F Series Configurator uses a simple serial-access procedure to configure one or more FPGA devices. The AT17F Series Configurators can be programmed with industry-standard programmers, Atmel’s ATDH2200E Programming Kit or Atmel’s ATDH2225 ISP Cable. Table 1-1. Package 44-lead PLCC AT17F Series Packages AT17F32 Yes 3393C–CNFG–6/05 2. Pin Configuration 39 38 37 36 35 34 33 32 31 30 29 18 19 20 21 22 23 24 25 26 27 28 7 8 9 10 11 12 13 14 15 16 17 NC NC NC NC NC NC NC NC NC NC READY NC RESET/OE PAGESEL0 CE NC NC GND PAGESEL1 NC CEO/A2 NC NC NC NC NC NC NC NC NC NC NC NC 6 5 4 3 2 1 44 43 42 41 40 NC CLK NC NC DATA PAGE_EN VCC NC NC SER_EN NC 44-lead PLCC 2 AT17F32 3393C–CNFG–6/05 AT17F32 3. Block Diagram READY PAGE_EN PAGESEL0 PAGESEL1 Power-on Reset Reset Clock/Oscillator Logic CEO(A2) Config. Page Select Serial Download Logic 2-wire Serial Programming Flash Memory CLK CE/WE/OE Data Address DATA CE Control Logic RESET/OE SER_EN 4. Device Description The control signals for the configuration memory device (CE, RESET/OE, and CLK) interface directly with the FPGA device control signals. All FPGA devices can control the entire configuration process and retrieve data from the configuration device without requiring an external intelligent controller. The RESET/OE and CE pins control the tri-state buffer on the DATA output pin and enable the address counter. When RESET/OE is driven Low, the configuration device resets its address counter and tri-states its DATA pin. The CE pin also controls the output of the AT17F Series Configurator. If CE is held High after the RESET/OE reset pulse, the counter is disabled and the DATA output pin is tri-stated. When OE is subsequently driven High, the counter and the DATA output pin are enabled. When RESET/OE is driven Low again, the address counter is reset and the DATA output pin is tri-stated, regardless of the state of CE. When the configurator has driven out all of its data and CEO is driven Low, the device tri-states the DATA pin to avoid contention with other configurators. Upon power-up, the address counter is automatically reset. 3 3393C–CNFG–6/05 5. Pin Description Table 5-1. Pin Description AT17F32 Name I/O 44 PLCC DATA I/O 2 CLK I 5 PAGE_EN I 1 PAGESEL0 I 20 PAGESEL1 I 25 RESET/OE I 19 CE I 21 GND – 24 CEO O A2 I READY O 29 SER_EN I 41 VCC – 44 27 5.1 DATA(1) Three-state DATA output for configuration. Open-collector bi-directional pin for programming. 5.2 CLK(1) Clock input. Used to increment the internal address and bit counter for reading and programming. 5.3 PAGE_EN(2) Input used to enable page download mode. When PAGE_EN is high the configuration download address space is partitioned into 4 equal pages. This gives users the ability to easily store and retrieve multiple configuration bitstreams from a single configuration device. This input works in conjunction with the PAGESEL inputs. PAGE_EN must be remain Low if paging is not desired. When SER_EN is Low (ISP mode) this pin has no effect. Notes: 1. This pin has an internal 20 KΩ pull-up resistor. 2. This pin has an internal 30 KΩ pull-down resistor. 4 AT17F32 3393C–CNFG–6/05 AT17F32 5.4 PAGESEL[1:0](2) Page select inputs. Used to determine which of the 4 memory pages are targeted during a serial configuration download. The address space for each of the pages is shown in Table 5-2. When SER_EN is Low (ISP mode) these pins have no effect. Table 5-2. 5.5 Address Space Paging Decodes AT17F32 (32 Mbits) PAGESEL = 00, PAGE_EN = 1 000000 – 07FFFFh PAGESEL = 01, PAGE_EN = 1 080000 – 0FFFFFh PAGESEL = 10, PAGE_EN = 1 100000 – 17FFFFh PAGESEL = 11, PAGE_EN = 1 180000 – 1FFFFFh PAGESEL = XX, PAGE_EN = 0 000000 – 1FFFFFh RESET/OE(1) Output Enable (active High) and RESET (active Low) when SER_EN is High. A Low level on RESET/OE resets both the address and bit counters. A High level (with CE Low) enables the data output driver. 5.6 CE(1) Chip Enable input (active Low). A Low level (with OE High) allows CLK to increment the address counter and enables the data output driver. A High level on CE disables both the address and bit counters and forces the device into a low-power standby mode. Note that this pin will not enable/disable the device in the 2-wire Serial Programming mode (SER_EN Low). 5.7 GND Ground pin. A 0.2 µF decoupling capacitor between VCC and GND is recommended. 5.8 CEO Chip Enable Output (when SER_EN is High). This output goes Low when the internal address counter has reached its maximum value. If the PAGE_EN input is set High, the maximum value is the highest address in the selected partition. The PAGESEL[1:0] inputs are used to make the 4 partition selections. If the PAGE_EN input is set Low, the device is not partitioned and the address maximum value is the highest address in the device, see Table 5-2 on page 5. In a daisy chain of AT17F Series devices, the CEO pin of one device must be connected to the CE input of the next device in the chain. It will stay Low as long as CE is Low and OE is High. It will then follow CE until OE goes Low; thereafter, CEO will stay High until the entire EEPROM is read again. 5.9 A2(1) Device selection input, (when SER_EN Low). The input is used to enable (or chip select) the device during programming (i.e., when SER_EN is Low). Refer to the AT17F Programming Specification available on the Atmel web site (www.atmel.com) for additional details. Notes: 1. This pin has an internal 20 KΩ pull-up resistor. 2. This pin has an internal 30 KΩ pull-down resistor. 5 3393C–CNFG–6/05 5.10 READY Open collector reset state indicator. Driven Low during power-up reset, released when power-up is complete. (recommended 4.7 kΩ pull-up on this pin if used). 5.11 SER_EN(1) The serial enable input must remain High during FPGA configuration operations. Bringing SER_EN Low enables the 2-Wire Serial Programming Mode. For non-ISP applications, SER_EN should be tied to VCC. 5.12 VCC +3.3V (±10%). Notes: 6 1. This pin has an internal 20 KΩ pull-up resistor. AT17F32 3393C–CNFG–6/05 AT17F32 6. FPGA Master Serial Mode Summary The I/O and logic functions of any SRAM-based FPGA are established by a configuration program. The program is loaded either automatically upon power-up, or on command, depending on the state of the FPGA mode pins. In Master mode, the FPGA automatically loads the configuration program from an external memory. The AT17F Serial Configuration PROM has been designed for compatibility with the Master Serial mode. This document discusses the Atmel AT40K, AT40KAL and AT94KAL applications as well as Xilinx applications. 7. Control of Configuration Most connections between the FPGA device and the AT17F Serial Configurator PROM are simple and self-explanatory. • The DATA output of the AT17F Series Configurator drives DIN of the FPGA devices. • The master FPGA CCLK output drives the CLK input of the AT17F Series Configurator. • The CEO output of any AT17F Series Configurator drives the CE input of the next Configurator in a cascade chain of configurator devices. • SER_EN must be at logic high level (internal pull-up provided) except during ISP. • The READY pin is available as an open-collector indicator of the device’s reset status; it is driven Low while the device is in its power-on reset cycle and released (tri-stated) when the cycle is complete. • PAGE_EN must be held Low if download paging is not desired. The PAGESEL[1:0] inputs must be tied off High or Low. If paging is desired, PAGE_EN must be High and the PAGESEL pins must be set to High or Low such that the desired page is selected, see Table 5-2 on page 5. 8. Cascading Serial Configuration Devices For multiple FPGAs configured as a daisy-chain, or for FPGAs requiring larger configuration memories, cascaded configurators provide additional memory. After the last bit from the first configurator is read, the clock signal to the configurator asserts its CEO output Low and disables its DATA line driver. The second configurator recognizes the Low level on its CE input and enables its DATA output. After configuration is complete, the address counters of all cascaded configurators are reset if the RESET/OE on each configurator is driven to its active (Low) level. If the address counters are not to be reset upon completion, then the RESET/OE input can be tied to its inactive (High) level. 9. Programming Mode The programming mode is entered by bringing SER_EN Low. In this mode the chip can be programmed by the 2-wire serial bus. The programming is done at VCC supply only. Programming super voltages are generated inside the chip. The AT17F parts are read/write at 3.3V nominal. Refe r to th e AT17F Programm ing Specification available on th e Atmel web site (www.atmel.com) for more programming details. AT17F devices are supported by the Atmel ATDH2200 programming system along with many third party programmers. 7 3393C–CNFG–6/05 10. Standby Mode The AT17F Series Configurators enter a low-power standby mode whenever SER_EN is High and CE is asserted High. In this mode, the AT17F Configurator typically consumes less than 1 mA of current at 3.3V. The output remains in a high-impedance state regardless of the state of the OE input. 11. Absolute Maximum Ratings* Operating Temperature.................................... -40°C to +85 °C *NOTICE: Storage Temperature ..................................... -65°C to +150°C Voltage on Any Pin with Respect to Ground ..............................-0.1V to VCC +0.5V Supply Voltage (VCC) .........................................-0.5V to +4.0V Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions beyond those listed under operating conditions is not implied. Exposure to Absolute Maximum Rating conditions for extended periods of time may affect device reliability. Maximum Soldering Temp. (10 sec. @ 1/16 in.).............260°C ESD (RZAP = 1.5K, CZAP = 100 pF)................................. 2000V 12. Operating Conditions AT17F Series Configurator Symbol Description Min Max Units Commercial Supply voltage relative to GND -0°C to +70°C 2.97 3.63 V Industrial Supply voltage relative to GND -40°C to +85°C 2.97 3.63 V VCC 13. DC Characteristics AT17F32 Symbol Description Min Max Units VIH High-level Input Voltage 2.0 VCC V VIL Low-level Input Voltage 0 0.8 V VOH High-level Output Voltage (IOH = -2.5 mA) VOL Low-level Output Voltage (IOL = +3 mA) VOH High-level Output Voltage (IOH = -2 mA) VOL Low-level Output Voltage (IOL = +3 mA) 0.4 V ICCA Supply Current, Active Mode 50 mA IL Input or Output Leakage Current (VIN = VCC or GND) 10 µA Commercial 3 mA ICCS Supply Current, Standby Mode Industrial 3 mA Commercial 50 mA ICCE Supply Current, Erase Mode Industrial 50 mA 8 2.4 V Commercial 0.4 2.4 V V Industrial -10 AT17F32 3393C–CNFG–6/05 AT17F32 14. AC Characteristics CE TSCE TSCE THCE RESET/OE TLC THOE THC CLK TOE TOH TCAC TDF TCE DATA TOH 15. AC Characteristics when Cascading RESET/OE CE CLK TCDF DATA FIRST BIT LAST BIT TOCK TOCE TOOE CEO TOCE 9 3393C–CNFG–6/05 16. AC Characteristics AT17F32 Symbol Description TOE(2) OE to Data Delay TCE(2) CE to Data Delay TCAC(2) CLK to Data Delay TOH Data Hold from CE, OE, or CLK TDF(3) CE or OE to Data Float Delay TLC CLK Low Time THC CLK High Time CE Setup Time to CLK (to guarantee proper counting) Commercial TSCE CE Hold Time from CLK (to guarantee proper counting) Commercial THCE RESET/OE Low Time (guarantees counter is reset) Commercial THOE Maximum Input Clock Frequency SEREN = 0 Commercial FMAX FMAX Maximum Input Clock Frequency SEREN = 1 TWR Write Cycle Time(4) TEC Erase Cycle Time(4) Notes: Min Typ Commercial Industrial (1) Commercial Industrial (1) Commercial Industrial (1) Max Units 50 ns 55 ns 55 ns 60 ns 30 ns 30 ns Commercial 0 ns Industrial(1) 0 ns Commercial Industrial (1) 15 ns 15 ns Commercial 15 ns Industrial(1) 15 ns Commercial 15 ns 15 ns 20 ns 25 ns 0 ns 0 ns 20 ns 20 ns Industrial Industrial Industrial Industrial (1) (1) (1) (1) 10 MHz 10 MHz Commercial 33 MHz Industrial(1) 33 MHz Industrial (1) Commercial Industrial (1) Commercial Industrial (1) 12 µs 12 µs 50 s 50 s 1. Preliminary specifications for military operating range only. 2. AC test lead = 50 pF. 3. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels. 4. See the AT17F Programming Specification for procedural information. 5. Times given are per byte typical. 10 AT17F32 3393C–CNFG–6/05 AT17F32 16.1 AC Characteristics When Cascading AT17F32 Symbol Description TCDF(3) CLK to Data Float Delay TOCK(2) CLK to CEO Delay TOCE(2) CE to CEO Delay TOOE(2) RESET/OE to CEO Delay Notes: Min Max Units Commercial 50 ns Industrial 50 ns Commercial 50 ns Industrial 55 ns Commercial 35 ns Industrial 40 ns Commercial 35 ns Industrial 35 ns 1. AC test lead = 50 pF. 2. Float delays are measured with 5 pF AC loads. Transition is measured ± 200 mV from steady-state active levels. 17. Thermal Resistance Coefficients Package Type 44J Note: Plastic Leaded Chip Carrier (PLCC) AT17F32 θJC [°C/W] 15 θJA [°C/W](1) 50 1. Airflow = 0 ft/min. 11 3393C–CNFG–6/05 18. Ordering Information Memory Size 32-Mbit Ordering Code Package Operation Range AT17F32-30BJC 44J - 44 PLCC Commercial AT17F32-30BJI 44J - 44 PLCC Industrial AT17F32-30BJU 44J - 44 PLCC LHF Industrial Package Type 44J 12 44-lead, Plastic J-leaded Chip Carrier (PLCC) AT17F32 3393C–CNFG–6/05 AT17F32 19. Packaging Information 19.1 44J – PLCC 1.14(0.045) X 45˚ PIN NO. 1 1.14(0.045) X 45˚ 0.318(0.0125) 0.191(0.0075) IDENTIFIER E1 D2/E2 B1 E B e A2 D1 A1 D A 0.51(0.020)MAX 45˚ MAX (3X) COMMON DIMENSIONS (Unit of Measure = mm) Notes: 1. This package conforms to JEDEC reference MS-018, Variation AC. 2. Dimensions D1 and E1 do not include mold protrusion. 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. SYMBOL MIN NOM MAX A 4.191 – 4.572 A1 2.286 – 3.048 A2 0.508 – – D 17.399 – 17.653 D1 16.510 – 16.662 E 17.399 – 17.653 E1 16.510 – 16.662 D2/E2 14.986 – 16.002 B 0.660 – 0.813 B1 0.330 – 0.533 e NOTE Note 2 Note 2 1.270 TYP 10/04/01 R 2325 Orchard Parkway San Jose, CA 95131 TITLE 44J, 44-lead, Plastic J-leaded Chip Carrier (PLCC) DRAWING NO. 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