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M5M564R16DJ-10 fiches techniques PDF

Mitsubishi - 1048576-BIT (65536-WORD BY 16-BIT) CMOS STATIC RAM

Numéro de référence M5M564R16DJ-10
Description 1048576-BIT (65536-WORD BY 16-BIT) CMOS STATIC RAM
Fabricant Mitsubishi 
Logo Mitsubishi 





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M5M564R16DJ-10 fiche technique
1998.6.18 Ver.A
PRELIMINARY
Notice: This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI LSIs
M5M564R16DJ,TP-10,-12,-15
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.
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.
FEATURES
•Fast access time M5M564R16DJ,TP-10 ... 10ns(max)
M5M564R16DJ,TP-12 ... 12ns(max)
M5M564R16DJ,TP-15 ... 15ns(max)
•Low power dissipation Active .................. 363mW(typ)
•Single +3.3V power supply
•Fully static operation : No clocks, No refresh
•Common data I/O
•Easy memory expansion by S
•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
PIN CONFIGURATION (TOP VIEW)
A0
ADDRESS
INPUTS
A1
A2
A3
CHIP
SELECT
INPUTS
DATA
INPUTS/
OUTPUTS
A4
S
DQ1
DQ2
DQ3
DQ4
(3.3V) VCC
(0V) GND
DQ5
DATA
INPUTS/
OUTPUTS
WRITE
DQ6
DQ7
DQ8
CONTROL W
INPUT
A5
ADDRESS
INPUTS
A6
A7
A8
N.C
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
44 A15
43
A14
ADDRESS
INPUTS
42 A13
41
OE
OUTPUT
INPUT
ENABLE
40 UB BYTE
39 LB CONTROL
INPUTS
38 DQ16
37 DQ15 DATA
36
DQ14
INPUTS/
OUTPUTS
35 DQ13
34 GND(0V)
33 VCC (3.3V)
32 DQ12
31 DQ11 DATA
30 DQ10 INPUTS/
29 DQ9 OUTPUTS
28 N.C
27 A12
26 A11 ADDRESS
25 A10
INPUTS
24 A9
23 N.C
Outline 44P0K(J)
44P3W-H(TP)
APPLICATION
PACKAGE
High-speed memory system
M5M564R16DJ : 44pin 400mil SOJ
M5M564R16DTP : 44pin 400mil TSOP(II)
FUNCTION
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.
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.
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
state. (LB and/or UB=L, S=L)
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.
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.
MITSUBISHI
ELECTRIC
1

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