HLX6228KEH datasheet(10/12 Pages) ETC

Part #	HLX6228KEH

Description	128K x 8 STATIC RAM-Low Power SOI

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HLX6228

10

The 128K x 8 SRAM is offered in a custom 32-lead or 40-

lead flat pack (FP). The packages are constructed of

multilayer ceramic (Al

2O3) and feature internal power and

ground planes. Ceramic chip capacitors can be mounted to

the package by the user to maximize supply noise

decoupling and increase board packing density. These

PACKAGING

32-LEAD FLAT PACK (22018533-001)

[1] BSC - Basic lead spacing between centers

[2] Where lead is brazed to package

[3] Parts delivered with leads unformed

[4] Lid connected to VSS

A

b

C

D

e

E

E2

E3

F

L

Q

S

U

V

W

X

Y

Z

0.135 ± 0.015

0.017 ± 0.002

0.004 to 0.009

0.820 ± 0.008

0.050 ± 0.005 [1]

0.600 ± 0.008

0.500 ± 0.008

0.040 ref

0.750 ± 0.005 [2]

0.295 min [3]

0.026 to 0.045

0.035 ± 0.010

0.080 ref

0.380 ref

0.050 ref

0.075 ref

0.010 ref

0.135 ref

All dimensions in inches

22018533-001

E

1

e

b

D

(width)

(pitch)

F

L

TOP

VIEW

E2

A

Lead

Alloy 42

Ceramic

Body

C

E3

Cutout

Area

Q

Kovar

Lid [4]

V

Optional capacitors

in cutout

1

VSS

VDD

S

U

Z

X

W

Y

BOTTOM

VIEW

32-LEAD FLAT PACK PINOUT

VDD

A15

CE

NWE

A13

A8

A9

A11

NOE

A10

NCS

DQ7

DQ6

DQ5

DQ4

DQ3

NC

A16

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

DQ0

DQ1

DQ2

VSS

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

Top

View

32

31

30

29

28

27

26

25

24

23

22

21

20

19

18

17

capacitors attach directly to the internal package power

and ground planes. This design minimizes resistance and

inductance of the bond wire and package. All NC (no

connect) pins

should be connected to VSS to prevent

charge build up in the radiation environment.

A15

VSS

VDD

NWE

CE

A13

A8

A9

A11

NOE

A10

NCS

DQ7

DQ6

DQ5

DQ4

DQ3

VDD

VSS

NC

A16

VSS

VDD

A14

A12

A7

A6

A5

A4

A3

A2

A1

A0

DQ0

DQ1

DQ2

NC

VDD

VSS

NC

Top

View

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

40

39

38

37

36

35

34

33

32

31

30

29

28

27

26

25

24

23

22

21

40-LEAD FLAT PACK PINOUT

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