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PDF M5M2168P-55 Data sheet ( Hoja de datos )
| Número de pieza | M5M2168P-55 | |
| Descripción | 16K-Bit Static RAM | |
| Fabricantes | Mitsubishi | |
| Logotipo |  |
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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
1 page | ||
| Páginas | Total 4 Páginas | |
| PDF Descargar | [ Datasheet M5M2168P-55.PDF ] | |
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