MAX II CPLD breakout board [160425]

Affordable MAX II board for easy project development on standard 100 mil prototyping boards

Flash programmable Complex Programmable Logic Devices (CPLDs) are ideal for developing and/or implementing complex high-speed logic circuits.

The MAX 7000 series of Altera (nowadays: Intel) probably were the last devices in PLCC packages, which could be mounted to vero board using a PLCC socket.

Although the newer MAX II and MAX V devices are affordable, their packages are hardly suited for soldering without special equipment and their footprint doesn’t match standard 100 mil prototyping boards.

The 4-layer board we present here is designed for easy prototyping for the MAX II and it contains:

a 100-pin TQFP EPM570T100C5N CPLD (MAX II)
JTAG connector for programming (e.g. with an Altera USB Blaster)
Clock generator
2-row headers for connecting to your prototyping circuit
3.3V voltage regulator
Power LED
Decoupling capacitors

BOM 160425-1 V5.21

Resistor

R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R16, R17, R18, R25, R26, = * 50 ohm, 75 V, 0603, 100 mW, ± 1% *
R27, R28, R29, R30, R31, R32, R33, R34, R35, R36, R37, R38, R39, R40, R41, R42, R43 = * 50 ohm, 75 V, 0603, 100 mW, ± 1% *
R46 = 270 ohm, 50 V, 0603 100 mW, ± 1%,
R20, R21, R22 = 2 kohm, 50 V, 0603, 100 mW, ± 1%,
R19*, R23, R24, R44, R45 = 10 kohm, 50 V, 0603, 100 mW, ± 1%

Capacitor

C1 = 10 µF, 25 V, ± 10%, X5R, 1206
C2, C3, C4 = 10 µF, 25 V, ± 10%, X5R, 0805
C5, C6, C7, C8, C10, C11, C12, C13, C14, C15, C16, C17, C18 = 0.1 µF, 25 V, ± 10%, X7R, 0603
C9 = 2.2 µF, 25 V, ± 10%, X5R, 0805

Semiconductor

IC1 = LT1117CsT-3.3 LDO, 2.5V to 15V, 3.3Vout, 800mAout
IC2 = *EPM570T100C5N, CPLD, MAX II Series, FLASH, 440*
D1 = VS-10MQ040, Schottky Rectifier, 40 V, 1 A, Single
X1 = Oscillator, 40 MHz, 50 ppm, SMD, 7mm x 5mm

Other

K1, K2 = Pin socket, breakable, 2 rows, 36-way, vertical
K3 = Pin socket, breakable, 2 rows, 12-way, vertical
K4 = Boxheader, Straight, 2.54 mm, 2 x 5 Contacts