Kaypro 2 - 06-27.TIFF

Ie LISl', 81-294-11
Reference
Designation
Description
Ul,
U54
7406
Hex inverter, open collector
U2,
U25,
un
74IS14 Hex Schmitt inverter
U3,
U5
1489
Quad Sani tt line driver
U4
1488 Quad line driver
U6,
U13,
U14,U55, U58
74IS373
ectal "D" latch
U8
74IS374
CCtal "D" flip-flop
U9
81-235-n
Character PROM (2732)
U10
81-189 Custan gate array
Ull,
U17
Z80 810
U15,
U23
6116 Video RAM
U16
6545FA
eRr controller
U20,
U31
74IS245
ectal bus transceiver
U22
3.9K
Pull-up Resistor
U24
WD1943/
Dual progranmable baud rate
8116
generator
U26,
U27
74IS138
3/8 MUX
U28,
U51
74IS244
ectal buffer/line driver
(3-state outputs)
U29
81-194
Custan gate array
U32,
U33,
U38,
U39, U41,
2164
64K x 1 RAM
U42,
U47,
U48
U34
81-292
l3c:ot PROM (2764)
U37, U45,
U59, U72
74IS02
Quad NCR gate
U40
74IS00
Quad NAND gate
U43
Z80A CPU
U44
1793 Floppy disk controller
U46
74IS04
Hex inverter
U52
74IS32
Quad CR gate
U60
74IS195
4-bi t shi ft register
U61
74IS08 Quad AND gate
U65
74IS10 Tri NAND gate
U66,
U75
74IS74
D..lal "D" flip-flop
U67
FOC9216
Data seParator
U73
74HC00
Quad NAND gate
6-27