Datasheet
DS89C450 Evaluation Kit
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COMPONENT LIST
DESIGNATION QTY DESCRIPTION SUPPLIER PART
C1, C6 2
100F, 25V radial capacitors
Panasonic ECA-1EM101
C2, C7 2
22F, 10V tantalum capacitors
Panasonic ECS-T1AX226R
C3, C4, C5,
C8–C15
11
0.1F capacitors (0805)
Generic —
C16, C17 2 22pF capacitors Panasonic ECJ-2VC1H220J
J1 1 2mm male power-barrel connector CUI Inc. PJ-002A
J2, J3 2 DB9 RS-232 female connectors Amp/Tyco 745781-4
J4 1 Micro header pins (unpopulated) — —
J5 1 Spare input header pins (unpopulated) — —
JP1, JP2 2 Solder pad jumpers (closed) — —
R1, R4 2
1.1k resistors (0805)
Generic —
R2, R3 2
10k resistors (0805)
Generic —
R5 1
680 resistor (0805)
Generic —
RN1, RN3, RN4 3
330 resistor pack (8)
CTS 770101331
RN2 1
3.3k resistor pack (8)
CTS 770101332
SW1, SW4, SW5 3 DIP switches x8 C&K SDA08H1BD
SW2, SW3 2 SPST pushbutton Panasonic EVQ-PAC04M
U1 1 350mA linear regulator (5V) Maxim MAX1659ESA+
U2 1 350mA linear regulator (3.3V) Maxim MAX1658ESA+
U3 1 DS89C450 microcontroller (40-pin PDIP) Maxim DS89C450-MNL+
U4 1 Quad buffer Fairchild 74AC125
U5 1 Preprogrammed 44-pin CPLD Xilinx
XC9536XL-
10PCG44C
U6 1 128k x 8 asynchronous cache SRAM Cypress CY7C1009D-10VXI
U7 — Unpopulated — —
U8 1 RS-232 transceiver (2 Tx, 2 Rx) Maxim MAX233ACWP+
U9 1 Inverting octal buffer Fairchild 74AC540
U10 1 LED x10 display (Port 1 + power) Lumex SSA-LXB10IW-GF/LP
Y1 1 16.384MHz crystal (socketed) Citizen HC49US16.384MABJ