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81C55 Datasheet(PDF) 2 Page - Intersil Corporation

Part # 81C55
Description  Radiation Hardened 256 x 8 CMOS RAM
PDF  14 Pages
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Manufacturer  INTERSIL [Intersil Corporation]
Direct Link  http://www.intersil.com/cda/home
Logo INTERSIL - Intersil Corporation

81C55 Datasheet(HTML) 2 Page - Intersil Corporation

  81C55 Datasheet HTML 1Page - Intersil Corporation 81C55 Datasheet HTML 2Page - Intersil Corporation 81C55 Datasheet HTML 3Page - Intersil Corporation 81C55 Datasheet HTML 4Page - Intersil Corporation 81C55 Datasheet HTML 5Page - Intersil Corporation 81C55 Datasheet HTML 6Page - Intersil Corporation 81C55 Datasheet HTML 7Page - Intersil Corporation 81C55 Datasheet HTML 8Page - Intersil Corporation 81C55 Datasheet HTML 9Page - Intersil Corporation Next Button
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HS-81C55RH, HS-81C56RH
Pinouts
40 LEAD DUAL-IN-LINE METAL SEAL PACKAGE (SBDIP)
MIL-STD-1835 CDIP2-T40
TOP VIEW
42 LEAD CERAMIC METAL SEAL FLATPACK PACKAGE
INTERSIL OUTLINE K42.A
TOP VIEW
13
1
2
3
4
5
6
7
8
9
10
11
12
14
15
16
17
18
19
20
33
34
35
36
37
38
39
40
32
31
30
29
24
25
26
27
28
21
22
23
TIMER IN
RESET
GND
PC4
PC5
ALE
AD0
AD1
AD2
AD3
AD4
AD5
AD6
AD7
VDD
PC3
PC2
PC1
PC0
PB7
PB6
PB5
PB4
PB3
PB2
PB1
PB0
PA7
PA6
PA5
PA4
PA3
PA2
PA1
PA0
TIMER OUT
CE or CE*
WR
RD
IO / M
*81C55RH = CE
81C56RH = CE
PC1
PC2
PB6
PB1
PB2
VDD
PB4
PB0
PA7
PA6
PA5
NC
PA4
PA3
PA2
PA1
PC0
PA0
WR
ALE
RESET
PC5
TIMER OUT
IO/M
CE OR CE
RD
PC3
PC4
AD0
AD1
AD2
AD3
NC
AD6
AD7
GND
TIMER IN
AD4
AD5
PB3
PB5
PB7
33
32
39
38
37
36
35
34
42
41
31
30
29
28
27
24
23
22
40
26
25
10
11
4
5
6
7
8
9
1
2
12
13
14
15
16
19
20
21
3
17
18
Spec Number
518056



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