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Mitsubishi
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M5M2168P-70 Datasheet Preview

M5M2168P-70 Datasheet

16K-Bit Static RAM

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M5M2168P-70 pdf
MITSUBISHI LSls
MSM2168P-SS, -70
16384-BIT (4096-WORD BY 4-BIT) STATIC RAM
DESCRIPTION
This is a family of 4096 word by 4-bit static RAMs,
fabricated with the high-performance N-channel silicon-gate
MOS process and designed for high-speed application. These
devices operate on a single 5V supply, and are directly TTL
compatible. They include a power-down feature as well.
PIN CONFIGURATION (TOP VIEW)
Vee< 5V)
FEATURES
• Fast access time
M5M2168P-55 ..... 55 ns (max)
M5M2168P-70 ..... 70 ns (max)
• Low power dissipation Active ................. 500 mW (typ)
Standy by ............. 40 mW (typ)
• Power down by S
• Single 5V power supply
• Fully static operation
Requires neither external clock nor refreshing
• All inputs and output are directly TTL compatible
• Easy memory expansion by chip-select (5) input
• Interchangeable with Intel's 2168
ADDRESS
INPUTS
ADDRESS
INPUTS
(NH~0rLECT
(OV) GND
+-+ DQ,
~ DQ3
... DQ4
DATA
INPUT
OUTPUT
WRITE CONTROL
INPUT
Outline 20 P4
APPLICATION
• High-speed memory systems
FUNCTION
A write operation is executed during the S low and W low
overlap time. In this period, address signals must be stable.
When W is low, the DQ terminal is maintained in the high
impedance state.
In a' read operation, after setting W to high, and S to low
if the address signals are stable, the data ia available at the
DQ terminal.
When S is high, the chip is in the non-selectable state,
disabling both reading and writing. In this case the output is
in the floating (high-impedance) state, useful for OR-ties
with other devices.
Signal S controls the power-down feature. When S goes
high, power dissipation is reduced to 1110 of active power.
The access time from S is equivalent to the address access
time.
BLOCK DIAGRAM
A3
A5
A6
ADDRESS INPUTS
A,
A,
Ao
A4
A9
AlO
A11
CHIP SELECT INPUT 5
WRITE CONTROL INPUT
Vec(SV)
GND (OV)
DQ,
DQ2
DQ3
DATA
INPUT
OUTPUT
• MITSUBISHI
"ELECTRIC
3-13



Mitsubishi
Mitsubishi

M5M2168P-70 Datasheet Preview

M5M2168P-70 Datasheet

16K-Bit Static RAM

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M5M2168P-70 pdf
MITSUBISHI LSls
MSM2168P"SS, -70
16384-BIT (4096-WORD BY 4-BIT) STATIC RAM
ABSOLUTE MAXIMUM RATINGS
Symbol
VCC
V,
Vo
Pd
Topr
Tstg
Supply voltage
Parameter
I npu t voltage
Output voltage
Maximum power dissipation
Temperature under bias
Storage temperature
Conditions
With respect to GNO
-
Limits
-3.5-7
-3.5-7
-3.5-7
1
-10-85
-65-150
Unit
V
V
V
W
'C
'C
RECOMMENDED OPERATING CONDITIONS (Ta=0-70'C, unless otherwise noted)
Symbol
VCC
V,L
V,H
Parameter
Supply voltage
Low-level input voltage
High-level input voltage
Limits
Min Typ Max
4.5 5 5.5
-3 0.8
26
Unit Necessary airflow cooling >2m/s
V
V
V
ELECTRICAL CHARACTERISTICS (Ta =0-70'C, Vcc=5V±10%, unless otherwise noted)
Symbol
Parameter
V,H
V,L
VOH
VOL
I,
Iloz 1
High-level input voltage
Low-level input voltage
High-level output voltage
Low-level output voltage
I nput current
Off-state output current
ICCI
Supply current from Vee
ICC2
Stand by current
Ipo Peak power-on current
C, Inpu t capacitance
Co Output capacitance
Note 1. Current flow into an IC is positive, out is negative.
Test conditions
IOH=-4mA
10L= 8 mA
V,=0-5.5V
V,(s)=2V, Vo=O -Vcc
v,(S)=0.8V
Output open
V'(S)=2V output open
I Ta =25'C
I Ta = O'C
VCc=0-4.5V
VI(S)= Lower of Vee orV,Hmin
V,=GND, Vi=25mVrms, f=1MHz
Vo=GND, Vo=25mVrms, f=1MHz
Min
2
-3
2.4
Limits
Typ
100
8
Max
6
0.8
0.4
10
50
150
155
30
30
5
6
Unit
V
V
V
V
"A
"A
mA
mA
mA
pF
pF
SWITCHING CHARACTERISTICS (FOR READ'CYCLE)CTa=0-70'C, Vcc=5V±10%, unlossotherwlSenoted)
Symbol
te R
ta(A)
ta (5)
tV(A)
ten(s)
tdIS(5)
t pu
t PO
Parameter
Read cycle time
Address accec;s time
Chip select access time
Data valid time after address
Output enable time after chip selection
Output disable time after chip deselection
Power-up time after chip selection
Power down time after chip deselection
M5M216BP-55
Min Typ Max
55
55
55
5
20
0 20
0
25
M5M216BP-70
Min Typ
Max
70
70
70
5
20
0 25
0
30
Unit
ns
ns
ns
ns
ns
ns
ns
ns
3-14
•. MITSUBISHI
"ELECTRIC


Part Number M5M2168P-70
Description 16K-Bit Static RAM
Maker Mitsubishi
Total Page 4 Pages
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