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Bill of Materials
4-7
Physical Description
Table 4–1.Bill of Materials (continued)
Item No. Part NumberVendorDescriptionDesignatorValueQuantity
19 1 SP1 Piezoelectric ceramic buzzer Panasonic EFB–AA14D001
20 1 X1 22.1184MHz quartz crystal thru-hole Citizen HC49US22.11840592MABJ
Not installed 1 X2 5V 22.1184MHz programmable oscillator SMD Epson SG–8002CA–22.1184M–PHB
21 1 U1 16-bit SAR analog-to-digital converter (ADC) Texas Instruments ADS8325IBDGKT
22 1 U2 256K I
2
C CMOS serial EEPROM MicroChip 24LC256I/SN
23 2 U3, U4 +5V 1A low-dropout voltage regulator Texas Instruments REG1117FA–5.0
24 1 U5 24-bit 8-channel intelligent ADC Texas Instruments MSC1211
25 1 U6 Multi-channel RS-232 line driver/receiver Texas Instruments MAX3243CPWR
26 2 U7, U8 Single IC buffer driver with open drain o/p Texas Instruments SN74LVC1G07DBVR
27 1 U9 128K x 8-bit CMOS SRAM Brilliance
Semiconductor
BS62LV1024PI–70
28 1 U10 Octal D-type latches with 3-state outputs Texas Instruments SN74HC573APWR
29 1 U11 Supervisory circuit active high reset Texas Instruments TPS3837L30DBVT
30 1 U12 Supervisory circuit active low open drain Texas Instruments TPS3838L30DBVT
31 1 U13 Triple 3-input NAND gates Texas Instruments SN74AC10PWR
32 1 U14 Single 2-input NAND gate Texas Instruments SN74AHC1G08DBVR
33 1 U15 Single 2-input positive NOR gate Texas Instruments SN74AHC1G02DBVR
34 1 U16 3-line to 8-line decoder/demultiplexer Texas Instruments SN74AHC138PWR
35 1 N/A MSC1211EVM PWB Texas Instruments 6443406
36 1 B1 (+) 9V battery clip female Keystone Electronics 594
37 1 B1 (–) 9V battery clip male Keystone Electronics 593
38 2 J8, J9 DB9 right angle female conn. w/board locks Tyco/AMP 747844–4
39 1 J6 2.5mm power connector CUI Stack PJ–102B
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