MITSUBISHI LSIs
1998.6.18 Ver.A
M5M564R16DJ,TP-10,-12,-15
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
1048576-BIT (65536-WORD BY 16-BIT) CMOS STATIC RAM
DESCRIPTION
The M5M564R16D is a family of 65536-word by 16-bit
static RAMs, fabricated with the high performance CMOS
process and designed for high speed application. These
devices operate on a single 3.3V supply, and are directly
TTL compatible.
PIN CONFIGURATION (TOP VIEW)
A0
44
43
A15
A14
A13
1
2
ADDRESS
INPUTS
A1
A2
A3
ADDRESS
INPUTS
3
4
42
41
They include a power down feature as well. In write
and read cycles, the lower and upper bytes are able
to be controled either togethe or separately by LB
and UB.
OE OUTPUT ENABLE
INPUT
BYTE
CONTROL
INPUTS
A4
S
CHIP
SELECT
INPUTS
5
6
40
39
UB
LB
DQ1
DQ2
DQ3
DQ4
7
8
38
37
DQ16
DQ15
DATA
INPUTS/
OUTPUTS
DATA
INPUTS/
OUTPUTS
9
36
35
DQ14
DQ13
FEATURES
10
•Fast access time
M5M564R16DJ,TP-10 ... 10ns(max)
M5M564R16DJ,TP-12 ... 12ns(max)
M5M564R16DJ,TP-15 ... 15ns(max)
Active .................. 363mW(typ)
(3.3V)
(0V)
VCC
GND
DQ5
11
12
34
33
GND
VCC
DQ12
(0V)
(3.3V)
13
32
31
DATA
DQ6
DQ7
DQ8
W
A5
A6
14
15
16
DQ11
DQ10 INPUTS/
DATA
INPUTS/
OUTPUTS
•Low power dissipation
30
OUTPUTS
29
28
DQ9
N.C
A12
A11
A10
WRITE
CONTROL
INPUT
17
•Single +3.3V power supply
18
19
20
27
•Fully static operation : No clocks, No refresh
•Common data I/O
26
25
24
ADDRESS
INPUTS
ADDRESS
INPUTS
A7
A9
A8
N.C
21
22
•Easy memory expansion by S
N.C
23
•Three-state outputs : OR-tie capability
•OE prevents data contention in the I/O bus
•Directly TTL compatible : All inputs and outputs
•Separate control of lower and upper bytes by LB and UB
Outline 44P0K(J)
44P3W-H(TP)
APPLICATION
High-speed memory system
PACKAGE
M5M564R16DJ
: 44pin 400mil SOJ
M5M564R16DTP : 44pin 400mil TSOP(II)
FUNCTION
state. (LB and/or UB=L, S=L)
The operation mode of the M5M564R16D is
determined by a combination of the device control
inputs S, W, OE, LB, and UB. Each mode is
summarized in the function table.
When setting LB at a high level and other pins are in
an active state, upper-Byte are in a selectable mode
in which both reading and writing are enable, and
lower-Byte are in a non-selectable mode. And when
setting UB at a high level and other pins are in an
active state, lower-Byte are in a selectable mode in
which both reading and writing are enable, and upper-
Byte are in a non-selectable mode.
When setting LB and UB at a high level or S at high
level, the chip is in a non-selectable mode in which
both reading and writing are disabled. In this mode,
the output stage is in a high-impedance state,
allowing OR-tie with other chips and memory
expansion by LB, UB and S.
A write cycle is executed whenever the low level W
overlaps with low level LB and/or low level UB and low
level S. The address must be set-up before write cycle
and must be stable during the entire cycle.
The data is latched into a cell on the traling edge of
W, LB, UB or S, whichever occurs first, requiring the
set-up and hold time relative to these edge to be
maintained. The output enable input OE directly
controls the output stage. Setting the OE at a high level,
the output stage is in a high impedance state, and the
data bus contention problem in the write cycle is
eliminated.
Signal-S controls the power-down feature. When S
goes high, power dissapation is reduced extremely.
The access time from S is equivalent to the address
access time.
A read cycle is excuted by setting W at a high level
and OE at a low level while LB and/or UB and S are in
an active
MITSUBISHI
ELECTRIC
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