page 2.112
SEMICONDUCTOR IDENTIFICATION
Part Number Index (cont'd)
HEATH
PART
NUMBER
MAY BE
REPLACED
WITH
DESCRIPTION
LEAD CONFIGURATION
(TOP VIEW)
O
O
O
28 2 7
2 6 25 24
23 22
21 20
19
18
17 ] 6 15
444-87-5
Available
only from
Zenith Data
Systems or
Heath Company
16K
Monitor ROM
]
2
3
4
5
n
7
8
9
10
11 12
13 14
n
)
c
0
G
0
0
2
444-101
Available
only from
Zenith Data
Systems or
Heath Company
Available
only from
Zenith Data
Systems or
Heath Company
444-104
Memory Decoder ROM
System I/O Decoder ROM
UCC
A7
CS2 C S ]
00
01
02
03
16
15
14
13
12
11
10
9
]
2
3
4
5
6
7
8
A6
A5
A4
A3
A0
A]
A 2
G N D
]u1
J
m
I
16
15
14
13
12
11
10
9
444-105
Available
only from
Zenith Data
Systems or
Heath Company
System status decoder
ROM
1
2
3
4
5
6
7
8
O
O
0
L)
C3
CD
PA L16L8
20
19
18
17
16
15
14
13
12
11
444-126
Available
only from
Zenith Data
Systems or
Heath Company
Memory timing control
HAL or
PAL16L8
AND OR GATE
ARRAY
1
2
3
4
5
6
7
8
9
10
(cont'd)
Summary of Contents for Z-100 Series
Page 2: ...This Document was scanned and contributed by...
Page 7: ......
Page 37: ......
Page 171: ...page 2 133 SEMICONDUCTOR IDENTIFICATION...
Page 322: ......
Page 390: ...R9 1 R4 Ri R1 TG43 PS U1 R 19 U18 U21 I Z 14 UaS U32 CIRCUIT I Shown from the c component...
Page 397: ...Page 7 1 5 1 4 Floppy Drives 7 2 Description Programming Cable Connections Operation 7 5 7 6...
Page 404: ......
Page 405: ...Page 8 1 Power Supply Power Line Considerations Specifications 8 2 8 3...
Page 411: ...page 9 3 REPLACEMENT PARTS LIST V s 1 s I t V p 10 ALL IN ONE...
Page 415: ...Page 9 7 ACE5fENT p4RTS L 45 44 43 46 61 42 60 40 50 52 I...
Page 417: ...page 9 9 REPLACEMENT PARTS LIST 1 4 9 io 20 1II l I i jj e e 1 I 17...
Page 419: ...Page 9 f E LACEMENT pRTS LIST 23 24 h 2S 26 28 29 L 41 40 C 3 0 I t tj t 3 4 Q t...
Page 426: ......