TestPoint 25mil pin

D0, D6, A3, A5, IR5, spare3, A6, A12, A9, D1, A10, CAS1, spare2, GND, INT, Read Enable, CAS2, A11, Rx, MREQn, IO-sc-2, IR4, D7, INTn, IO-sc-1, A15, Clock, IR0, D4, RDn, RESET, IR1, IORQn, BUSAKn, D2, IR6, IO-sc-6, CAS0, IO-sc-5, Write enable, IO-sc-4, A14, IO-sc-7, A8, A13, spare4, A4, A0, D3, Vcc, IR7, HALT, IO-sc-3, Tx, M1, IR2, A1, card int, VPP rom, spare1, A2, D5, A7, WRn, IR3, NMIn, wait

67

Test point through hole; fits 25-mil pins

87224-2

STEP button, POWER

2

2 Pin Standard Header Single Row Male 2.54mm Pitch 0.64mm Square Post

SN74LVC1G32DCKR

U365, U367, U381, U306, U309

5

SN74LVC1G32 Single 2-Input Positive-OR Gate

LM555CMX/NOPB

U349

1

LM555 Timer

68016-110HLF

EDGE3, EDGE2, EDGE0, EDGE1

4

Unshrouded Header, Through Hole, Single Row, 10 Positions, 2.54 mm Pitch, Right Angle, 5.84 mm (0.23 in.) Mating, 3.05 mm (0.12 in.) Tail

M27C256B-15F1

256K ROM

1

PRT-08231

J3

1

Polarized Connectors - Header (4-Pin)

MC74VHC1GT86DFT1

U331, U300, U370, U140, U346

5

2-Input XOR Gate / CMOS Logic Level Shifter with LSTTL-Compatible Inputs

Z80

CPU

1

Z80 8-bit microprocessor

ABLS3-5.000MHZ-D4Y-T

Y295

1

HC49/US (AT49) LOW PROFILE SMD MICROPROCESSOR CRYSTAL

1301.9303

reset button

1

Push button switch

SN74LS138D

U358

1

3-LINE TO 8-LINE DECODERS/DEMULTIPLEXERS

CY62256NLL-55SNXI

ram

1

62256

8259A

inturpt controler

1

8259A programmable intrupt controler

FOXSLF/160-20

Y462

1

16MHZ Crystal