M5M54R16AJ Ver la hoja de datos (PDF) - MITSUBISHI ELECTRIC
Número de pieza
componentes Descripción
Fabricante
M5M54R16AJ Datasheet PDF : 7 Pages
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MITSUBISHI LSIs
M5M54R16AJ,ATP-10,-12,-15
4194304-BIT (262144-WORD BY 16-BIT) CMOS STATIC RAM
FUNCTION TABLE
S W OE LB UB
Mode
L H L L L Read cycle All Bytes
DQ1~8
D OUT
L H L H L Read cycle Upper Bytes High-impedance
L H L L H Read cycle Lower Bytes
D OUT
L L XL L
Write cycle All Bytes
D IN
L L X H L Write cycle Upper Bytes High-impedance
LL
LH
LX
HX
XL
HX
XH
XX
H Write cycle Lower Bytes
D IN
X
Output disable
H
High-impedance
X
Non selection
High-impedance
DQ9~16
D OUT
D OUT
High-impedance
D IN
D IN
High-impedance
High-impedance
High-impedance
Icc
Active
Active
Active
Active
Active
Active
Active
Stand by
BLOCK DIAGRAM
ADDRESS
INPUTS
A0 1
A1 2
A2 3
A3 4
A4 5
A5 18
A6 19
A7 20
A8 21
A9 22
CHIP
SELECT INPUT
S
6
WRITE
CONTROL INPUT
W
17
OUTPUT
ENABLE INPUT
OE
41
UPPER BYTE
CONTROL INPUT
UB 40
LOWER BYTE
CONTROL INPUT
LB 39
MEMORY ARRAY
1024 ROWS
4096 COLUMNS
COLUMN I/O CIRCUITS
COLUMN ADDRESS
DECODERS
COLUMN INPUT BUFFERS
23 24 25 26 27 42 43 44
A10 A11A12 A13A14A15A16A17
ADDRESS INPUTS
7
8
9
10
13
14
15
16
DDDDDDDDQQQQQQQQ12345678
DATA
INPUTS/
OUTPUTS
29 DQ9
30
31
32
35
36
37
38
DDDDDDDQQQQQQQ11111110123456
DATA
INPUTS/
OUTPUTS
11
33
VCC
(3.3V)
12
GND (0V)
34
MITSUBISHI
ELECTRIC
2
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