HS-82C37ARH
Pinouts
40 LEAD CERAMIC DUAL-IN-LINE METAL SEAL PACKAGE
(SBDIP) MIL-STD-1835 CDIP2-T40
TOP VIEW
IOR
IOW
MEMR
MEMW
NC
READY
HLDA
ADSTB
AEN
HRQ
CS
CLK
1
2
3
4
5
6
7
8
9
10
11
12
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
21
A7
A6
A5
A4
EOP
A3
A2
A1
A0
VDD
DB0
DB1
DB2
DB3
DB4
DACK0
DACK1
DB5
DB6
DB7
IOR
IOW
MEMR
MEMW
NC
READY
HLDA
ADSTB
AEN
HRQ
CS
CLK
RESET
DACK2
DACK3
NC
DREQ3
DREQ2
DREQ1
DREQ0
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
A7
A6
A5
A4
EOP
A3
A2
A1
A0
VDD
DB0
DB1
DB2
DB3
DB4
NC
DACK0
DACK1
DB5
DB6
DB7
42 LEAD CERAMIC METAL SEAL FLATPACK PACKAGE
(FLATPACK) HARRIS OUTLINE K42.A
TOP VIEW
RESET 13
DACK2 14
DACK3 15
DREQ3 16
DREQ2 17
DREQ1 18
DREQ0 19
(GND)
VSS
20
Functional Diagram
DECREMENTOR
EOP
RESET
CS
READY
CLOCK
AEN
ADSTB
MEMR
MEMW
IOR
IOW
WRITE
BUFFER
DREQ0-
DREQ3
HLDA
HDQ
DACK0-
DACK3
4
PRIORITY
ENCODER
AND
ROTATING
PRIORITY
LOGIC
COMMAND (8)
INTERNAL DATA BUS
I/O BUFFER
READ
BUFFER
D0-D1
TIMING
AND
CONTROL
READ BUFFER
BASE
BASE
WORD
ADDRESS
COUNT
(16)
(16)
BASE
ADDRESS
(16)
BASE
WORD
COUNT
(16)
TEMP WORD
COUNT REG (16)
16 BIT BUS
16 BIT BUS
OUTPUT
BUFFER
A4-A7
INC DECREMENTOR
TEMP ADDRESS
REG (16)
I/O BUFFER
A0-A3
A8-A15
COMMAND
CONTROL
DB0-DB7
4
MASK (4)
STATUS (8)
TEMPORARY
(8)
REQUEST (4)
MODE
(4 x 6)
Spec Number
2
518058
HARRIS [ HARRIS CORPORATION ]
