4194304-BIT (1048576-WORD BY 4-BIT) CMOS STATIC RAM
Description
MITSUBISHI LSIs
1998.
11.
30 Ver.
B
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change
M5M54R04AJ-10,-12,-15
4194304-BIT (1048576-WORD BY 4-BIT) CMOS STATIC RAM
PIN CONFIGURATION (TOP VIEW)
DESCRIPTION
The M5M54R04AJ is a family of 1048576-word by 4-bit static RAMs, fabricated with the high performance CMOS
A0 1 A1 2 application.
A2 3 address inputs A3 4 These devices operate on a single 3.
3V supply, and are A 4 5 select directly TTL compatible.
They include a power down chip input S 6 data inputs/ DQ 1 7 feature as well.
outputs(3.
3V) VCC 8 (0V) GND 9 FEATURES data inputs/ •Fast access time M5M54R04AJ-10 .
.
.
10ns(max) DQ2 10 outputs M5M54R04AJ-12 .
.
.
12ns(max) write control W 11 input M5M54R04AJ-15 .
.
.
15ns(max) A5 12 A6 13 •Single +3.
3V power supply address A7 14 inputs •Fully static operation : No clocks, No refresh A8 15 •Common data I/O A9 16 •Easy memory expansion by S •Three-state outputs : OR-tie capability Outline •OE prevents data contention in the I/O bus •Directly TTL compatible : All inputs and outputs silicon gate process and designed for high speed
32 31 30 29 28 27 26 25 24 23 22 21 20 19 18 17
A19 A18 A17 address inputs A16 A15 output enable OE input DQ4 data inputs/ GND (0V) outputs VCC (3.
3V) DQ3 data inputs/ outputs A14 A13 address A12 inputs A11 A10 NC
32P0K(SOJ)
APPLICATION
High-speed memory units
PACKAGE
M5M54R04AJ : 32pin 400mil SOJ
BLOCK DIAGRAM
A0 A1 A2 A3
adress inputs
1 2 3 4
MEMORY ARRAY 1024 ROWS 4096 COLUMNS
7 10 23 26
DQ1 DQ2 DQ3 DQ4
data inputs/ outputs
A4 5 A5 12 A6 13 A7 14 A8 15 A9 16
S
6
COLUMN I/O CIRCUITS COLUMN ADDRESS DECODERS
8 24
W
11
COLUMN INPUT BUFFERS
VCC (3.
3V)
9 25
OE 27
GND (0V)
18 19 20 21 22 28 29 30 31 32 A10 A11 A12 A13 A14 A15 A16 A17 A18 A19
address inputs
MITSUBISHI ELECTRIC
1
MITSUBISHI LSIs
M5M54R04AJ-10,-12,-15
4194304-BIT (1048576-WORD BY 4-BIT) CMOS STATIC RAM
FUNCTION
The operation mode of the M5M54R04AJ is determined by a combina...
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