AS4C14400 Alliance Semiconductor, AS4C14400 Datasheet
AS4C14400
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AS4C14400 Summary of contents
Page 1
... Organization: 1,048,576 words × 4 bits • High speed - 40/50/60/70 ns RAS access time - 20/25/30/35 ns column address access time - 10/13/15/18 ns CAS access time • Low power consumption - Active: 385 mW max (-60) - Standby: 5.5 mW max, CMOS I/O • Fast page mode (AS4C14400) or EDO (AS4C14405) Pin arrangement SOJ I/ GND I/O0 I/O1 ...
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... CMOS technology and designed with innovative design techniques resulting in high speed, extremely low power and wide operating margins at component and system levels. The AS4C14400 features a high speed page mode operation in which high speed read, write and read-write are performed on any of the 1024 4 bits defined by the column address ...
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... CAS cycling, IL Address cycling: – min PC RAS = CAS = V - 0.2V – 1.0 CC RAS, CAS cycling: – min -5.0 mA 2.4 – OUT I = 4.2 mA – 0.4 OUT AS4C14400 Maximum +7.0 +7.0 +7.0 +150 260 -50 -60 -70 Min Max Min Max Min Max - +10 -10 +10 -10 +10 µA – ...
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... AS4C14400 AC parameters common to all waveforms Symbol Parameter t Random read or write cycle time RC t RAS precharge time RP t RAS pulse width RAS t CAS pulse width CAS t RAS to CAS delay time RCD t RAS to column address delay time RAD t CAS to RAS hold time (read) ...
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... Max Min 105 – 131 – 155 60 – 73 – – 36 – – 48 – – 13 – – 13 – 15 AS4C14400 -70 Max Min Max Unit Notes – 0 – ns – 15 – ns – 55 – ns – 0 – – 15 – – 55 – ...
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... AS4C14400 Fast page mode cycle Symbol Parameter Read-write cycle time t PC (fast page) t Access time from CAS precharge CAP CAS precharge time t CP (fast page) t Fast page mode RMW cycle PCM Page mode CAS pulse width t CRW (RMW) t RAS pulse width RASP Shaded areas contain advance information ...
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... AWD CAA CAC CAP 90% 10% AAAA A AAAA A AAAA A Rising input AAAA A Falling input AAAA A AS4C14400 (min) GND and V IL and greater than the RCD is greater than the RAD + 828 D out 100 pF 295 *including scope and jig capacitance ...
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... AS4C14400 Timing waveform of read cycle RAS t CRP CAS t t ASR RAH AAAA AAAA AA AAAA AAAA AA AA Address AAAA AAAA Row AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA WE AAAA AAAA AAAA AAAA AAAA ...
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... AAAA AAAA AAAA AAAA AAAA AAAA t OED AAAA AAAA AAAA AAAA AAAA AAAA Data In AAAA AAAA AAAA AS4C14400 (OE controlled) AAAA AAAA AAA AAAA AAAA AAA AAAA AAAA AAA AAAA AAAA AAA AAAA AAAA AAA AAAA AAAA AAA AAAA AAAA ...
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... AS4C14400 Timing waveform of fast page mode read cycle RAS t t CRP RCD CAS ASR RAH AAAA AAAA AAAA AA AA AAAA AAAA AAAA Address Row AAAA AAAA AAAA AA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA ...
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... AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AS4C14400 CRP AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA RWL ...
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... AS4C14400 Timing waveform of hidden refresh cycle (read) t RAS RAS t CRP t RCD AAA AAA AAA CAS t t RAD t RAH t ASR AAAA AA AA AAAA AAAA AAAA AAAA AAAA Row AAAA AA AAAA AAAA Address t RCS AAAA AAAA AAAA AAA AAAA AAAA AAAA AAA AAAA ...
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... AAAA AAAA AAAA AAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAA CLZ t CAC AAA AAA Data Out AAA AS4C14400 RSH t CAS AAAA AAAA AAAA t RAL AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA AAAA ...
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... AS4C14400 Typical DC and AC characteristics Normalized access time t RAC vs. supply voltage V CC 1.5 1 25°C a 1.3 1.2 1.1 1.0 0.9 0.8 4.1 4.5 5.0 5.5 Supply voltage (V) Typical supply current I CC vs. supply voltage 0.0 4.0 4.5 5.0 5.5 Supply voltage (V) Typical refresh current I CC3 vs. supply voltage 0.0 4.0 4.5 5.0 5.5 Supply voltage (V) 14 ® ...
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... Ambient temperature (°C) Symbol Signals IN1 C RAS, CAS, WE, OE IN2 C I/O0 to I/O3 I/O AS4C14400 Typical fast page mode current I CC4 vs. supply voltage 0.0 80 4.0 4.5 5.0 Supply voltage ( MHz Room Temperature) a Test Conditions Max ...
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... ALLIANCE SEMICONDUCTOR 3099 North First Street San Jose, CA 95134 (408) 383-4900 Fax (408) 383-4999 Copyright © 1996 All rights reserved AS4C14400-60JC AS4C14400-70JC AS4C14405-60JC AS4C14405-70JC AS4C14400-60TC AS4C14400-70TC AS4C14405-60TC AS4C14405-70TC C Commercial temperature range, 0° °C EUROPE TAIWAN Asian Specific Tech ...