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UPD4482163 Datasheet(PDF) 1 Page - NEC

Part No. UPD4482163
Description  8M-BIT CMOS SYNCHRONOUS FAST SRAM PIPELINED OPERATION DOUBLE CYCLE DESELECT
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Manufacturer  NEC [NEC]
Direct Link  http://www.nec.com/
Logo NEC - NEC

UPD4482163 Datasheet(HTML) 1 Page - NEC

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MOS INTEGRATED CIRCUIT
µPD4482163, 4482183, 4482323, 4482363
8M-BIT CMOS SYNCHRONOUS FAST SRAM
PIPELINED OPERATION
DOUBLE CYCLE DESELECT
Document No. M14904EJ3V0DS00 (3rd edition)
Date Published December 2002 NS CP(K)
Printed in Japan
DATA SHEET
The mark
#
#
#
# shows major revised points.
The mark
shows major revised points.
2000
Description
The
µPD4482163 is a 524,288-word by 16-bit, the µPD4482183 is a 524,288-word by 18-bit, µPD4482323 is a 262,144-
word by 32-bit and the
µPD4482363 is a 262,144-word by 36-bit synchronous static RAM fabricated with advanced CMOS
technology using Full-CMOS six-transistor memory cell.
The
µPD4482163, µPD4482183, µPD4482323 and µPD4482363 integrates unique synchronous peripheral circuitry, 2-
bit burst counter and output buffer as well as SRAM core. All input registers are controlled by a positive edge of the single
clock input (CLK).
The
µPD4482163, µPD4482183, µPD4482323 and µPD4482363 are suitable for applications which require synchronous
operation, high speed, low voltage, high density and wide bit configuration, such as cache and buffer memory.
ZZ has to be set LOW at the normal operation. When ZZ is set HIGH, the SRAM enters Power Down State (“Sleep”). In
the “Sleep” state, the SRAM internal state is preserved. When ZZ is set LOW again, the SRAM resumes normal operation.
The
µPD4482163, µPD4482183, µPD4482323 and µPD4482363 are packaged in 100-pin PLASTIC LQFP with a 1.4
mm package thickness for high density and low capacitive loading.
Features
• Single 3.3 V power supply
• Synchronous operation
• Operating temperature : TA = 0 to 70 °C (-A44, -A50, -A60)
TA =
−40 to +85 °C (-A44Y, -A50Y, -A60Y)
• Internally self-timed write control
• Burst read / write : Interleaved burst and linear burst sequence
• Fully registered inputs and outputs for pipelined operation
• Double-Cycle deselect timing
• All registers triggered off positive clock edge
• 3.3 V LVTTL Compatible : All inputs and outputs
• Fast clock access time : 2.8 ns (225 MHz), 3.1 ns (200 MHz), 3.5 ns (167 MHz)
• Asynchronous output enable : /G
• Burst sequence selectable : MODE
• Sleep mode : ZZ (ZZ = Open or Low : Normal operation)
• Separate byte write enable : /BW1 to /BW4, /BWE (
µPD4482323, µPD4482363)
/BW1, /BW2, /BWE (
µPD4482163, µPD4482183)
Global write enable : /GW
• Three chip enables for easy depth expansion
• Common I/O using three state outputs


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