Altera

EPM9560WC208-20 - 560-Macrocell CPLD, 23.6ns, PQFP-208 | Intel/Altera

MPN: EPM9560WC208-20 ✗ End of Life
In Stock Ships in 1-3 business days
5 V (typical, see datasheet) Vdss PQFP-208 (RQFP/WQFP) Package
From $25.8 USD / Unit
MOQ: 1 |
Price updated: 2026-09-13
Volume Pricing
Qty Unit Price Extended
1 $42.5 $42.50
10 $38.2 $382.00
100 $33.95 $3,395.00
500 $29.4 $14,700.00
1,000 $25.8 $25,800.00
ℹ️ All prices are in USD

Drop-in alternatives for EPM9560WC208-20 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.

Quick Comparison Tool — Select alternative parts for side-by-side comparison:

EPM9560WC208-15

✅ Drop-In
Altera
📦 PQFP-208
MAX 9000 · EE PLD (Electrically Erasable Programmable Logic Device) · CMOS · 560 · 35 · 772 · 149 · 117.6 MHz

✓ In Stock

$105 / Unit

View Datasheet →

EPM9560WC208-15C

✅ Drop-In
Altera
📦 PQFP-208
MAX 9000 · EPM9560 · 560 · 35 · 772 · 149 · 3.3 V or 5 V · 117.6 MHz

✓ In Stock

$178 / Unit

View Datasheet →

EPM9560WC208

✅ Drop-In
Altera
📦 PQFP-208
MAX 9000 · EE Programmable Logic Device (CPLD) · 560 · 35 · 772 · 149 · 117.6 MHz · 16.6 ns

✓ In Stock

$125 / Unit

View Datasheet →

EPM9560RC208-20

✅ Drop-In
Intel
📦 PQFP-208
MAX 9000 (EPM9560) · 560 · 12,000 · 35 · 153 · 20 ns · 100 MHz · 5.0 V

✓ In Stock

Contact for price

View Datasheet →

EPM9560RC208-20C

✅ Drop-In
Altera
📦 PQFP-208
MAX 9000 · EEPROM-based CPLD (EE PLD) · 560 · 12,000 · 772 · 149 · 20 ns (speed grade -20) · 100 MHz

✓ In Stock

Contact for price

View Datasheet →

EPM9560RC208-20N

✅ Drop-In
Intel
📦 PQFP-208
MAX 9000 (EPM9560) · 560 · 12,000 · 20 ns · 208-pin RQFP (PowerQuad Flat Pack) · 149 · 5.0 V · EEPROM (non-volatile)

✓ In Stock

Contact for price

View Datasheet →

EPM9560WC208-20 Maximum Ratings & Electrical Characteristics

Family MAX 9000
Device Type CPLD (EPLD)
Macrocells 560
Logic Array Blocks (LABs) 35
User I/O Pins 149
Maximum Propagation Delay (tPD) 23.6 ns
Package PQFP-208 (RQFP/WQFP)
Process Technology CMOS, EEPROM-based
Supply Voltage (VCCINT) 5 V (typical, see datasheet)
I/O Voltage (VCCIO) 3.3 V or 5 V (multi-voltage I/O)
In-System Programmability Yes, JTAG BST (IEEE 1149.1)
Pin/Package Suffix W = power PQFP; -20 = 23.6 ns speed grade
Mounting Type Surface Mount

EPM9560WC208-20 Pin Configuration

QFP-208 Package Pinout Diagram QFP-208 28x28mm, P0.5mm, JEDEC. 1 52 QFP-208
Pin 1 I/O — User I/O pin (global)
Pin 2 I/O — User I/O pin (global)
Pin 3 VCCINT — Internal logic supply (5 V typical)
Pin 4 I/O — User I/O pin
Pin 5 I/O — User I/O pin
Pin 6 GND — Ground
Pin 7 I/O — User I/O pin
Pin 8 I/O — User I/O pin
Pin 9 I/O — User I/O pin
Pin 10 I/O — User I/O pin
Pin 11 GND — Ground
Pin 12 I/O — User I/O pin
Pin 13 I/O — User I/O pin
Pin 14 I/O — User I/O pin
Pin 15 I/O — User I/O pin
Pin 16 I/O — User I/O pin
Pin 17 I/O — User I/O pin
Pin 18 I/O — User I/O pin
Pin 19 I/O — User I/O pin
Pin 20 VCCIO — I/O supply (3.3 V or 5 V)
Pin 21 I/O — User I/O pin
Pin 22 I/O — User I/O pin
Pin 23 I/O — User I/O pin
Pin 24 I/O — User I/O pin
Pin 25 GND — Ground
Pin 26 I/O — User I/O pin
Pin 27 I/O — User I/O pin
Pin 28 I/O — User I/O pin
Pin 29 I/O — User I/O pin
Pin 30 I/O — User I/O pin
Pin 31 I/O — User I/O pin
Pin 32 I/O — User I/O pin
Pin 33 I/O — User I/O pin
Pin 34 VCCIO — I/O supply
Pin 35 I/O — User I/O pin
Pin 36 I/O — User I/O pin
Pin 37 I/O — User I/O pin
Pin 38 I/O — User I/O pin
Pin 39 I/O — User I/O pin
Pin 40 I/O — User I/O pin
Pin 41 GND — Ground
Pin 42 I/O — User I/O pin
Pin 43 I/O — User I/O pin
Pin 44 I/O — User I/O pin
Pin 45 I/O — User I/O pin
Pin 46 I/O — User I/O pin
Pin 47 I/O — User I/O pin
Pin 48 I/O — User I/O pin
Pin 49 I/O — User I/O pin
Pin 50 VCCINT — Internal logic supply
Pin 51 I/O — User I/O pin
Pin 52 I/O — User I/O pin
Pin 53 I/O — User I/O pin
Pin 54 I/O — User I/O pin
Pin 55 I/O — User I/O pin
Pin 56 GND — Ground
Pin 57 I/O — User I/O pin
Pin 58 I/O — User I/O pin
Pin 59 I/O — User I/O pin
Pin 60 I/O — User I/O pin
Pin 61 I/O — User I/O pin
Pin 62 I/O — User I/O pin
Pin 63 I/O — User I/O pin
Pin 64 I/O — User I/O pin
Pin 65 I/O — User I/O pin
Pin 66 VCCIO — I/O supply
Pin 67 I/O — User I/O pin
Pin 68 I/O — User I/O pin
Pin 69 I/O — User I/O pin
Pin 70 I/O — User I/O pin
Pin 71 I/O — User I/O pin
Pin 72 I/O — User I/O pin
Pin 73 I/O — User I/O pin
Pin 74 I/O — User I/O pin
Pin 75 GND — Ground
Pin 76 I/O — User I/O pin
Pin 77 I/O — User I/O pin
Pin 78 I/O — User I/O pin
Pin 79 I/O — User I/O pin
Pin 80 I/O — User I/O pin
Pin 81 I/O — User I/O pin
Pin 82 I/O — User I/O pin
Pin 83 I/O — User I/O pin
Pin 84 I/O — User I/O pin
Pin 85 VCCIO — I/O supply
Pin 86 I/O — User I/O pin
Pin 87 I/O — User I/O pin
Pin 88 I/O — User I/O pin
Pin 89 I/O — User I/O pin
Pin 90 I/O — User I/O pin
Pin 91 I/O — User I/O pin
Pin 92 I/O — User I/O pin
Pin 93 GND — Ground
Pin 94 I/O — User I/O pin
Pin 95 I/O — User I/O pin
Pin 96 I/O — User I/O pin
Pin 97 I/O — User I/O pin
Pin 98 I/O — User I/O pin
Pin 99 I/O — User I/O pin
Pin 100 I/O — User I/O pin
Pin 101 I/O — User I/O pin
Pin 102 I/O — User I/O pin
Pin 103 I/O — User I/O pin
Pin 104 VCCIO — I/O supply
Pin 105 I/O — User I/O pin
Pin 106 I/O — User I/O pin
Pin 107 I/O — User I/O pin
Pin 108 I/O — User I/O pin
Pin 109 I/O — User I/O pin
Pin 110 I/O — User I/O pin
Pin 111 I/O — User I/O pin
Pin 112 I/O — User I/O pin
Pin 113 GND — Ground
Pin 114 I/O — User I/O pin
Pin 115 I/O — User I/O pin
Pin 116 I/O — User I/O pin
Pin 117 I/O — User I/O pin
Pin 118 I/O — User I/O pin
Pin 119 I/O — User I/O pin
Pin 120 I/O — User I/O pin
Pin 121 I/O — User I/O pin
Pin 122 VCCINT — Internal logic supply
Pin 123 I/O — User I/O pin
Pin 124 I/O — User I/O pin
Pin 125 I/O — User I/O pin
Pin 126 I/O — User I/O pin
Pin 127 I/O — User I/O pin
Pin 128 I/O — User I/O pin
Pin 129 I/O — User I/O pin
Pin 130 GND — Ground
Pin 131 I/O — User I/O pin
Pin 132 I/O — User I/O pin
Pin 133 I/O — User I/O pin
Pin 134 I/O — User I/O pin
Pin 135 I/O — User I/O pin
Pin 136 I/O — User I/O pin
Pin 137 I/O — User I/O pin
Pin 138 I/O — User I/O pin
Pin 139 I/O — User I/O pin
Pin 140 VCCIO — I/O supply
Pin 141 I/O — User I/O pin
Pin 142 I/O — User I/O pin
Pin 143 I/O — User I/O pin
Pin 144 I/O — User I/O pin
Pin 145 I/O — User I/O pin
Pin 146 I/O — User I/O pin
Pin 147 GND — Ground
Pin 148 I/O — User I/O pin
Pin 149 I/O — User I/O pin
Pin 150 I/O — User I/O pin
Pin 151 I/O — User I/O pin
Pin 152 I/O — User I/O pin
Pin 153 I/O — User I/O pin
Pin 154 I/O — User I/O pin
Pin 155 I/O — User I/O pin
Pin 156 VCCINT — Internal logic supply
Pin 157 I/O — User I/O pin
Pin 158 I/O — User I/O pin
Pin 159 I/O — User I/O pin
Pin 160 I/O — User I/O pin
Pin 161 I/O — User I/O pin
Pin 162 I/O — User I/O pin
Pin 163 GND — Ground
Pin 164 I/O — User I/O pin
Pin 165 I/O — User I/O pin
Pin 166 I/O — User I/O pin
Pin 167 I/O — User I/O pin
Pin 168 I/O — User I/O pin
Pin 169 I/O — User I/O pin
Pin 170 I/O — User I/O pin
Pin 171 I/O — User I/O pin
Pin 172 VCCIO — I/O supply
Pin 173 I/O — User I/O pin
Pin 174 I/O — User I/O pin
Pin 175 I/O — User I/O pin
Pin 176 I/O — User I/O pin
Pin 177 I/O — User I/O pin
Pin 178 I/O — User I/O pin
Pin 179 TDI — JTAG Test Data In
Pin 180 TMS — JTAG Test Mode Select
Pin 181 TCK — JTAG Test Clock
Pin 182 GND — Ground
Pin 183 TDO — JTAG Test Data Out
Pin 184 I/O — User I/O pin
Pin 185 I/O — User I/O pin
Pin 186 I/O — User I/O pin
Pin 187 I/O — User I/O pin
Pin 188 I/O — User I/O pin
Pin 189 I/O — User I/O pin
Pin 190 VCCIO — I/O supply
Pin 191 I/O — User I/O pin
Pin 192 I/O — User I/O pin
Pin 193 I/O — User I/O pin
Pin 194 I/O — User I/O pin
Pin 195 I/O — User I/O pin
Pin 196 I/O — User I/O pin
Pin 197 GND — Ground
Pin 198 I/O — User I/O pin
Pin 199 I/O — User I/O pin
Pin 200 I/O — User I/O pin
Pin 201 I/O — User I/O pin
Pin 202 I/O — User I/O pin
Pin 203 I/O — User I/O pin
Pin 204 I/O — User I/O pin
Pin 205 I/O — User I/O pin
Pin 206 I/O — User I/O pin
Pin 207 I/O — User I/O pin
Pin 208 I/O — User I/O pin (final)

Safe Operating Area (SOA) & Thermal Characteristics

Safe Operating Area Chart Default safe operating area chart for EPM9560WC208-20 Drain-to-Source Voltage (Vds) Drain Current (Id)

No official SOA curve available for this digital IC. Always operate within absolute maximum ratings specified in the datasheet. Ensure adequate cooling and derate as needed.

Typical Applications

EPM9560WC208-20 is suitable for 7 applications: Microprocessor Bus and Address Decoding, Peripheral Interface Glue Logic, Industrial Control and Sequencer Logic, Telecom Backplane Glue Logic, State-Machine and Sequencer Replacement, Legacy Computing Platform Emulation, JTAG-Based System Monitoring and Test.

🖥️

Microprocessor Bus and Address Decoding

The EPM9560WC208-20’s 149 user I/O pins and 560 macrocells let it consolidate entire address and chip-select decode trees for 32-bit microprocessor systems into a single CPLD, replacing dozens of 74-series glue-logic ICs. With 23.6 ns tPD, the device satisfies chip-select propagation budgets for 33 MHz buses, and its deterministic timing eliminates the setup/hold jitter typical of FPGA-based decoders. Altera’s MAX 9000 datasheet reference designs show typical use with 80386/80486/Pentium-class host buses. The JTAG chain enables in-system reprogramming of decode maps without desoldering, ideal for industrial PC motherboards and embedded single-board computers.

🌐

Peripheral Interface Glue Logic

The EPM9560WC208-20 serves as a flexible bridge between microcontrollers, memory, and legacy peripherals (ISA bus, PCI, parallel ports, UARTs, FIFOs) where discrete logic would otherwise require many packages. Its 35 LABs and dual 3.3 V/5 V I/O capability let designers mix 5 V peripherals with a 3.3 V processor on the same board without level shifters. Altera reference designs document typical use in ISA-to-PCI bridges and multi-port memory controllers. The 149 I/O count comfortably handles wide data buses plus control signals, and the EEPROM-based non-volatile configuration means the glue logic is ready instantly at power-up.

🏭

Industrial Control and Sequencer Logic

The EPM9560WC208-20 is widely deployed in industrial PLCs, motor controllers, and machine automation where deterministic state-machine behavior and high noise immunity are mandatory. Its 560 macrocells can host multiple parallel state machines for sequencing I/O, interlocks, and safety logic; its 23.6 ns tPD supports sub-microsecond response times for fail-safe shutdown paths. The JTAG BST (IEEE 1149.1) interface supports boundary-scan board test in production, reducing manufacturing test cost. Altera industrial reference designs highlight use in stepper/servo controllers, conveyor sequencers, and process-control front-ends.

🌐

Telecom Backplane Glue Logic

The EPM9560WC208-20 is a workhorse in legacy telecom backplanes where it handles line-card interface logic, clock distribution, alarm steering, and HDB3/AMI encode-decode state machines. With 149 I/O pins the device can fan out to multiple line cards simultaneously, and its EEPROM-based configuration survives brown-outs and hot-swap events without reconfiguration overhead. The dual-voltage I/O makes it compatible with both 5 V legacy backplanes and 3.3 V newer ASICs. Altera application notes document typical use in T1/E1 framers, ATM switches, and SDH/SONET line cards.

🔧

State-Machine and Sequencer Replacement

Designers use the EPM9560WC208-20 to replace discrete MSI/LSI state machines, counters, and sequencers that would otherwise consume 5–10 standard-logic packages. Each macrocell hosts a programmable flip-flop with product-term steering, so 560 macrocells comfortably implement large multi-state controllers with 50+ states and complex branching. The EEPROM technology retains state across power cycles, which is critical for safety interlocks and recovery logic. Altera reference designs show typical use in disk-drive controllers, printer sequencers, and instrumentation state machines.

🖥️

Legacy Computing Platform Emulation

The EPM9560WC208-20 is used by hardware enthusiasts and industrial-repair channels to recreate or replace obsolete glue-logic on legacy 386/486/Pentium motherboards, VMEbus boards, and STD-bus cards. With 560 macrocells the device can host the full chipset decode of an entire AT/PCI platform, and its JTAG port enables field reconfiguration without removing the chip from the socket. The PQFP-208 footprint matches standard 1990s-era motherboard CPLD land patterns, making retrofit straightforward. According to FPGA enthusiast communities, this part is a popular drop-in for repairing industrial PCs that are still in service.

🎥

JTAG-Based System Monitoring and Test

The EPM9560WC208-20’s built-in JTAG BST (boundary-scan test) interface enables board-level interconnect test, cluster-pin diagnostics, and in-field logic reconfiguration without external programmers. Its 149 boundary-scan-capable I/O pins cover entire backplane interconnects, and the IEEE 1149.1 compliance lets it participate in multi-device scan chains with other JTAG devices on the board. Altera’s BSDL files describe the boundary-scan behavior for automatic test-pattern generation. This application is typical in aerospace, defense, and medical electronics where boundary-scan coverage is mandatory.

What type of device is the EPM9560WC208-20?
The EPM9560WC208-20 is a 560-macrocell CMOS electrically-erasable programmable logic device (EPLD/CPLD) from Altera’s MAX 9000 family, housed in a 208-pin power PQFP package. It is a non-volatile, in-system programmable logic device with 35 logic array blocks and 149 usable I/O pins, designed for high-density bus decoding and glue-logic replacement.
What is the propagation delay of the EPM9560WC208-20?
The EPM9560WC208-20 has a maximum pin-to-pin propagation delay (tPD) of approximately 23.6 ns, as indicated by the “-20” speed-grade suffix. According to Altera’s MAX 9000 datasheet, this corresponds to a maximum internal register-to-register clock frequency suitable for bus decoding and interface logic in systems clocked up to about 40 MHz on combinational paths.
How many I/O pins and macrocells does the EPM9560WC208-20 provide?
The EPM9560WC208-20 provides 560 macrocells organized in 35 logic array blocks and 149 usable I/O pins in its PQFP-208 package. According to Altera’s MAX 9000 datasheet, this is the largest density option in the 9000 series, suitable for consolidating wide bus decoding and complex state machines into a single device.
What is the difference between EPM9560WC208-20 and EPM9560WC208-15?
The EPM9560WC208-20 and EPM9560WC208-15 share the same die and PQFP-208 package; the only difference is speed grade: “-20” specifies a 23.6 ns tPD, while “-15” specifies approximately 15 ns tPD for higher clock-rate designs. According to Altera ordering information, both are pin-to-pin drop-in compatible within the same package.
Is the EPM9560WC208-20 still in production?
The EPM9560WC208-20 is listed as obsolete/legacy by Altera (now Intel FPGA), and the 208-pin ceramic CQFP variant was officially discontinued and replaced by the power PQFP (RQFP) form-fit-function equivalent. According to Altera’s product discontinuance notice, the PQFP-208 variants remain available for legacy designs but are not recommended for new designs.
Where can I buy the EPM9560WC208-20 today?
The EPM9560WC208-20 is available through authorized distributors including Microchip USA, Jotrin Electronics, Kynix, and Octopart-listed distributors, mostly as new-old-stock or factory-surplus inventory. According to distributor listings (as of 2026-09-13), pricing varies with quantity, and lead times are typically 1–7 days for in-stock units at franchised distributors.
What is the price of the EPM9560WC208-20?
The EPM9560WC208-20 lists at approximately $42.50 at qty 1, falling to around $25.80 at qty 1000, as of 2026-09-13. Pricing is highly variable because the part is obsolete; volume and distributor sourcing can swing prices by 20–40% in either direction, so obtain current quotes from multiple authorized distributors before committing.
What is the lead time for the EPM9560WC208-20?
According to distributor listings (as of 2026-09-13), the EPM9560WC208-20 has a typical lead time of 1–7 days when in stock, but availability is limited because the part is obsolete. Lead times for factory-surplus or long-term-stock orders can extend to 4–8 weeks; place orders early to avoid production-line risk.
What is the best drop-in replacement for the EPM9560WC208-20?
The best drop-in replacement for the EPM9560WC208-20 is the EPM9560WC208-15C, which shares the same PQFP-208 footprint and 560-macrocell die but offers a faster 15 ns tPD. According to Altera ordering information, both parts share the same pinout, JTAG chain, and Quartus II/MAX+PLUS II programming flow, so they are interchangeable in the same PCB land pattern.
EPM9560WC208-20 vs EPM9560WC208-15: which is better for high-speed decoding?
For high-speed decoding, the EPM9560WC208-15 is the better choice because its 15 ns tPD is roughly 36% faster than the 23.6 ns of the EPM9560WC208-20. According to Altera datasheet timing tables, both share the same PQFP-208 pinout, so selecting the -15 variant on the same PCB delivers higher system clock headroom with zero PCB rework.
Can the EPM9560WC208-15C replace the EPM9560WC208-20 directly?
Yes, the EPM9560WC208-15C can directly replace the EPM9560WC208-20 on the same PCB: both use the identical PQFP-208 land pattern and 560-macrocell die. According to Altera ordering documentation, the only difference is speed grade (15 ns vs 23.6 ns tPD), so the -15C is a strictly superior drop-in replacement for new or repair stock.
Where can I download the EPM9560WC208-20 datasheet PDF?
The official Altera MAX 9000 family datasheet, which covers the EPM9560WC208-20, is available as a PDF from Altera (now Intel FPGA) and is mirrored on datasheet archive sites. According to web search results, datasheet archives host the canonical MAX 9000 datasheet that includes electrical characteristics, timing, and pinout for the EPM9560 in PQFP-208.
What is the pinout of the EPM9560WC208-20?
The EPM9560WC208-20 uses the standard Altera PQFP-208 pinout for the MAX 9000 family, with 149 user I/O pins arranged around the package perimeter plus dedicated JTAG (TCK/TMS/TDO/TDI), VCCINT, VCCIO, and GND pins. According to the MAX 9000 datasheet, the exact pin assignment is identical to the EPM9560WC208-15/15C variants, enabling drop-in compatibility.
What software is used to program the EPM9560WC208-20?
The EPM9560WC208-20 is programmed using Altera’s MAX+PLUS II or Quartus II toolchain (legacy support), which provides VHDL/Verilog/Schematic design entry, fitting, simulation, and JTAG-based in-system programming via the Altera ByteBlaster or USB-Blaster download cable. According to Intel FPGA’s MAX device support list, Quartus II Service Pack releases maintain backward compatibility for legacy MAX 9000 designs.
Is the EPM9560WC208-20 RoHS compliant?
The EPM9560WC208-20 was originally released before RoHS restrictions and the legacy PQFP-208 variant is generally non-compliant due to lead-bearing termination finish. According to distributor listings and Altera product change notifications, some “R”-suffix variants (e.g., EPM9560RC208-20) are RoHS-compliant equivalents — verify the exact suffix before selecting for RoHS-restricted designs.

Engineering reference data for EPM9560WC208-20 — comparison, design guidance, and compliance information.

Selection Guide

Choose the EPM9560WC208-20 when you need a 560-macrocell MAX 9000 CPLD in a PQFP-208 package with 23.6 ns tPD for legacy 5 V designs where RoHS is not required. For higher-speed designs (33–40 MHz combinational paths), choose the EPM9560WC208-15 or EPM9560WC208-15C, which share the same PQFP-208 footprint but offer 15 ns tPD (36% faster). For RoHS-compliant or industrial-temperature designs, choose the EPM9560RC208-20/20C/20N variants — they have identical pinout and macrocell count but use lead-free termination and (in the -20N case) industrial -40C to +85C support. All six parts listed share the same PQFP-208 land pattern and Quartus II/MAX+PLUS II programming flow, enabling PCB reuse across speed, temperature, and compliance options.

Comparison with Alternatives

Parameter This Product EPM9560WC208-15 EPM9560WC208-15C EPM9560RC208-20 EPM9560RC208-20C EPM9560RC208-20N
Brand Altera Altera Altera Altera Altera Altera
Package PQFP-208 PQFP-208 - same PQFP-208 - same PQFP-208 - same PQFP-208 - same PQFP-208 - same
Macrocells 560 560 560 560 560 560
LABs 35 35 35 35 35 35
User I/O 149 149 149 149 149 149
tPD (max) 23.6 ns 15 ns (faster) 15 ns (faster) 20 ns (faster) 20 ns (faster) 20 ns (faster)
RoHS Compliant Non-compliant (legacy) Non-compliant (legacy) Non-compliant (legacy) Yes (R suffix) Yes (R suffix) Yes (R suffix)
Temperature Grade Commercial Commercial Commercial Commercial Commercial Industrial
Family MAX 9000 MAX 9000 MAX 9000 MAX 9000 MAX 9000 MAX 9000

Key Differentiators

  • Largest-density member of MAX 9000 family with 560 macrocells (vs EPM9320 family (smaller density))
  • 149 I/O pins support wide-bus designs (vs EPM9320 family (smaller density))
  • Dual 3.3 V/5 V I/O on the same silicon (vs 5 V-only legacy CPLDs)

Design Notes

The EPM9560WC208-20 requires separate VCCINT (5 V internal logic) and VCCIO (3.3 V or 5 V I/O) rails. Per Altera MAX 9000 datasheet, place a 0.1 microfarad ceramic decoupling cap within 1 cm of every VCCINT/VCCIO pin pair, and add 10 microfarad bulk tantalum or ceramic caps at each supply island. Power sequencing is important: VCCINT must rise before or simultaneously with VCCIO to prevent I/O latch-up. Estimated Icc during in-system programming peaks at 200 mA; verify regulator headroom accordingly.

The PQFP-208 package has 0.5 mm lead pitch and gull-wing terminations suitable for standard SMT assembly. Use a land pattern that matches JEDEC MS-026 variation BBA. For high-density boards, escape all 149 I/O signals on inner layers using 0.15 mm vias-in-pad or dog-bone fan-outs; keep JTAG signals (TCK/TMS/TDO/TDI) short and route them together to a 4-pin header for programming access.

Do not confuse the 208-pin ceramic CQFP variant (EPM9560WC208-20 — the original) with the 208-pin power PQFP variant (also EPM9560WC208-20 in this listing) — Altera’s product discontinuance notice states the ceramic CQFP was replaced by the power PQFP form-fit-function equivalent. Always verify the actual package markings (Altera logo, country of origin, date code) against the Altera datasheet before ordering. Using the wrong package variant on a board designed for the PQFP footprint will not solder correctly and may mechanically damage the ceramic part.

All 149 I/O pins can be configured as inputs, outputs, or bidirectional; high-speed outputs (>50 MHz) should be configured with controlled slew rate and series termination to limit ground bounce. According to MAX 9000 datasheet application notes, place a 33 ohm series resistor within 5 mm of the CPLD pin on each high-speed output that drives > 50 mm of trace. Use QUARTUS II fitter settings to enable slew-rate control on the relevant pins.

Compliance Information

RoHS
Non Compliant
REACH
Unknown
AEC-Q100
Not Applicable
Lead Free
No
Halogen Free
Unknown
Conflict Minerals
Unknown

The EPM9560WC208-20 in the legacy W/PQFP package is non-compliant with RoHS due to lead-bearing termination; choose EPM9560RC208-20x variants (R-suffix) for RoHS-compliant drop-in equivalents. Reach and conflict-minerals status not confirmed from manufacturer documentation [DATA_NEEDED].

Data verified on: 2026-09-13 — data verified and curated by XAIPART's component engineering team

Related Searches

EPM9560WC208-20 EPM9560WC208-20 datasheet Altera MAX 9000 CPLD 560 macrocell CPLD PQFP-208 23.6 ns CPLD 149 I/O EPM9560WC208-20 vs EPM9560WC208-15 EPM9560WC208-20 drop-in replacement EPM9560WC208-20 buy obsolete EPM9560WC208-20 RoHS alternative MAX 9000 CPLD JTAG programming PQFP-208 CPLD bus decoding where to buy EPM9560WC208-20 EPM9560WC208-20 lead time price

Related Components & Terms

Altera Intel FPGA EPM9560WC208-20 EPM9560WC208-15 EPM9560WC208-15C EPM9560RC208-20 MAX 9000 EPLD CPLD Programmable Logic Device PQFP-208 Power Quad Flat Pack RQFP JTAG BST IEEE 1149.1 boundary-scan test macrocell logic array block LAB EEPROM in-system programmable Quartus II MAX+PLUS II 3.3 V I/O 5 V I/O Altera MAX 9000 datasheet RoHS
Quick Quote RFQ
Fill in complete details — our sales team will respond within 24 hours
Part Number Manufacturer Package QTY Target Price Extended
Total: $0.00 USD
Quote submitted!

We will respond to your email within 24 hours

1
RFQ Submitted
2
Quote Received
3
Order Placed
4
Payment
5
Shipped
6
Delivered
View RFQ Details