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MCM44256B Datasheet(PDF) 2 Page - Motorola, Inc

Part No. MCM44256B
Description  4MB R4000 Secondary Cache Fast Static RAM Module Set
Download  8 Pages
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Manufacturer  MOTOROLA [Motorola, Inc]
Direct Link  http://www.freescale.com
Logo MOTOROLA - Motorola, Inc

MCM44256B Datasheet(HTML) 2 Page - Motorola, Inc

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MCM44256B SERIES
2
MOTOROLA FAST SRAM
BLOCK DIAGRAM
A0
DQ0 – DQ3
W
256K x 4
E
G
A1
A2
A3 – A17
A3 – A17
A0
DQ0 – DQ35
TCS
DCS
OE
A1
A2
WE
TDQ0 – TDQ7
74FBT2827
DRIVER
4 WORD
LINE SIZE
256K x 36 CACHE
TAG OPTIONS:
36
8
W
G
DQ0 – DQ3
A0
A1
A2
A3 – A17
E
256K x 8
TAG
8 WORD
LINE SIZE
128K x 8
TAG
(A0 NOT USED)
16 WORD
LINE SIZE
64K x 8
TAG
(A0, A1 NOT USED)
32 WORD
LINE SIZE
32K x 8
TAG
(A0, A1, A2 NOT USED)
W
G
DQ0 – DQ7
A0
A1
A2 – A16
E
W
G
DQ0 – DQ7
A0
A1
A2 – A16
E
W
G
DQ0 – DQ7
A0
A1
A2 – A16
E
256K x 4
128K x 8
128K x 8
128K x 8


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