A67P06181 SRAM Datasheet

A67P06181 Datasheet PDF, Equivalent


Part Number

A67P06181

Description

(A67P06181 / A67P93361) Flow-through ZeBL SRAM

Manufacture

AMIC Technology

Total Page 18 Pages
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A67P06181
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Preliminary
A67P06181/A67P93361 Series
1M X 18, 512K X 36 LVTTL, Flow-through ZeBLTM SRAM
Document Title
1M X 18, 512K X 36 LVTTL, Flow-through ZeBLTM SRAM
Revision History
Rev. No. History
0.0 Initial issue
Issue Date
September, 20, 2004
Remark
Preliminary
PRELIMINARY (September, 2004, Version 0.0)
AMIC Technology, Corp.

A67P06181
Preliminary
A67P06181/A67P93361 Series
1M X 18, 512K X 36 LVTTL, Flow-through ZeBLTM SRAM
Features
Fast access time: 6.5/7.5/8.5 ns
(153, 133, 117 MHz)
Zero Bus Latency between READ and WRITE cycles
allows 100% bus utilization
Signal +2.5V ± 5% power supply
Individual Byte Write control capability
Clock enable ( CEN) pin to enable clock and suspend
operations
General Description
The AMIC Zero Bus Latency (ZeBLTM) SRAM family
employs high-speed, low-power CMOS designs using an
advanced CMOS process.
The A67P06181, A67P93361 SRAMs integrate a 1M X 18,
512K X 36 SRAM core with advanced synchronous
peripheral circuitry and a 2-bit burst counter. These SRAMs
are optimized for 100 percent bus utilization without the
insertion of any wait cycles during Write-Read alternation.
The positive edge triggered single clock input (CLK)
controls all synchronous inputs passing through the
registers. The synchronous inputs include all address, all
data inputs, active low chip enable ( CE), two additional chip
enables for easy depth expansion (CE2, CE2 ), cycle start
input (ADV/ LD ), synchronous clock enable ( CEN ), byte
write enables ( BW1 , BW2 , BW3 , BW4 ) and read/write
(R/ W ).
Asynchronous inputs include the output enable ( OE ), clock
(CLK), SLEEP mode (ZZ, tied LOW if unused) and burst
mode (MODE). Burst Mode can provide either interleaved
or linear operation, burst operation can be initiated by
synchronous address Advance/Load (ADV/LD ) pin in Low
state. Subsequent burst address can be internally
Clock-controlled and registered address, data and
control signals
Registered output for pipelined applications
Three separate chip enables allow wide range of options
for CE control, address pipelining
Internally self-timed write cycle
Selectable BURST mode (Linear or Interleaved)
SLEEP mode (ZZ pin) provided
Available in 100 pin LQFP package
generated by the chip and controlled by the same input pin
ADV/LD in High state.
Write cycles are internally self-time and synchronous with
the rising edge of the clock input and when R/ W is Low.
The feature simplified the write interface. Individual Byte
enables allow individual bytes to be written. BW1 controls
I/Oa pins; BW2 controls I/Ob pins; BW3 controls I/Oc pins;
and BW4 controls I/Od pins. Cycle types can only be
defined when an address is loaded.
The SRAM operates from a +2.5V power supply, and all
inputs and outputs are LVTTL-compatible. The device is
ideally suited for high bandwidth utilization systems.
PRELIMINARY (September, 2004, Version 0.0)
2
AMIC Technology, Corp.


Features www.DataSheet4U.com A67P06181/A67P93361 Series Preliminary Document Title 1M X 18, 512K X 36 LVTTL, Flow-through ZeBL TM SRAM Revision History Rev. No. 0.0 1M X 18, 512K X 36 LVTTL, Flow-through ZeBLTM SRAM History Initial issue Iss ue Date September, 20, 2004 Remark Pre liminary PRELIMINARY (September, 2004 , Version 0.0) AMIC Technology, Corp. A67P06181/A67P93361 Series Preliminary Features Fast access time: 6.5/7.5/8.5 ns (153, 133, 117 MHz) Zero Bus Latenc y between READ and WRITE cycles allows 100% bus utilization Signal +2.5V ± 5% power supply Individual Byte Write con trol capability Clock enable ( CEN ) pi n to enable clock and suspend operation s Clock-controlled and registered addre ss, data and control signals Registered output for pipelined applications Thre e separate chip enables allow wide rang e of options for CE control, address pi pelining Internally self-timed write cy cle Selectable BURST mode (Linear or In terleaved) SLEEP mode (ZZ pin) provided Available in 100 pin LQF.
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