as4c256k16fo Alliance Memory, Inc, as4c256k16fo Datasheet
as4c256k16fo
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as4c256k16fo Summary of contents
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... Organization: 262,144 words × 16 bits • High speed - 25/30/35/50 ns RAS access time - 12/16/18/25 ns column address access time - 7/10/10/10 ns CAS access time • Low power consumption - Active: 770 mW max (ASAS4C256K16FO-50) - Standby: 5.5 mW max, CMOS I/O • Fast page mode • AS4C256K16FO-50 timings are also valid for AS4C256K16FO-60. ...
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... Normal read or write cycles * • Self-refresh cycles. The AS4C256K16FO is available in standard 40-pin plastic SOJ and 44-pin TSOP II packages compatible with widely available automated testing and insertion equipment. System level features include single power supply of 5V ± 10% tolerance and direct interface with TTL logic families. ...
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... CC – 120 – = min RC = – 5.0 mA 2.4 – 2.4 = 4.2 mA – 0.4 – –0.2V, CC – 2.0 – – 0.2V, 0.2V CC are open Alliance Semiconductor AS4C256K16FO Min Max –1.0 +7.0 –1.0 +7.0 –1.0 +7.0 0 +70 –55 +150 – 260 10 – 1 – 50 200 – + –30 –35 –50 Unit Note 10 – ...
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... Alliance Semiconductor AS4C256K16FO = + –50 Max Min Max Unit Notes – 85 – ns – 25 – ns 75K 50 75K ns – 10 – ...
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... Alliance Semiconductor AS4C256K16FO = + –50 Max Min Max Unit Notes – 0 – ns – 9 – ns – 30 – ns – 0 – – 9 – – ...
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... AA Thevenin equivalent). t (min), the cycle is a read-write cycle and the data out will contain data read from the selected cell. If AWD CAA CAC CAP Alliance Semiconductor AS4C256K16FO = + –35 –50 Min Max Min Max Unit Notes 10 – ...
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... Falling input RAS t t RCD RSH t CSH t t CAH ASC t t CAS RCS RAD RAL t RAH Col Address t RAC CLZ Alliance Semiconductor AS4C256K16FO Undefined/don’t care RRH t RCH t ROH t OEZ t OFF t OEA t CAC Data Out ...
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... RC t RAS t t RCD RSH t CSH t CRP t CRP t ASC t RAL t CAH Column t RCS t OEA t RAC CAC t CLZ Alliance Semiconductor AS4C256K16FO CRP t CAS t RCH t RRH t ROH t OEZ t OFF Data Out CRP t CAS t RCH t RRH t ROH t OEZ t OFF Data Out ...
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... UCAS, LCAS t ASR Row Address Address WE OE I/O 4/11/01; V.0.9.1 ® RAS t CSH t RSH t t RCD CAS t AWR t t RAD RAL t ASC t t RAH CAH Col Address t WCR t CWL t RWL WCS WCH t DHR Data In Alliance Semiconductor AS4C256K16FO ...
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... UCAS t CRP LCAS WE OE Upper I/O Lower I/O 4/11/01; V.0.9.1 ® RAS t AWR t RAD t RAL Column Address t t CAH ASC t t RCD RSH t CSH t CWL t WCS t RWL t WCR DHR Data In Alliance Semiconductor AS4C256K16FO CAS CRP t RPC t WCH ...
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... DS DH Data RAS t CSH t RSH t t RCD CAS t RAL t AWR t t RAD ASC t t RAH CAH Col Address t WCR t RWL t CWL t DHR t t OED Data In Alliance Semiconductor AS4C256K16FO RPC t CAS t CRP t WCH OEH ...
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... UCAS t CRP LCAS WE OE Upper I/O Lower I/O 4/11/01; V.0.9.1 ® RAS t t RAD RAL t AWR t RAH Column Address t CSH t t RCD RSH t CAH t ASC t CWL t DS Data In t OED Alliance Semiconductor AS4C256K16FO CAS CRP t RPC t RWL OEH ...
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... AR t RAL t ASC t t RAH CAH Col Address t RWD t AWD t t RCS CWD t OEA t OEZ t RAC CAC t CLZ Data Out Alliance Semiconductor AS4C256K16FO CAS t CRP t RPC t CWL t RWL OEH RWL t CWL OED Data In ...
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... RWC t RAS t CSH t RCD CAS t RSH t ACS t RAL t CAH Column Address t RWD t AWD t CWD t OEA t OED t Data In CLZ t CAC OEZ RAC Data Out t OED Data Out Alliance Semiconductor AS4C256K16FO CRP t RPC t CWL t RWL ...
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... Lower Output 4/11/01; V.0.9.1 ® t RWC t RAS t CSH t CAS RCD t RSH t RAL t CAH Column Address t RWD t AWD t CWD t OEA Data Out t OED t RAC CAC t t CLZ OEZ Data Out Alliance Semiconductor AS4C256K16FO RPC t CRP t CWL t RWL Data ...
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... RCS RCH t t OEA OEA t CAC t CLZ CAP Data Out CAP t t CAC OFF t OEZ Data Out 1 Alliance Semiconductor AS4C256K16FO RSH RAL t CAH Col Address t RRH t t RCS RCH t OEA t CAP Data Out Data Out ...
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... CAH CAH t t ASC ASC Column WCH WCH t WCS CWL t DS Data Data In 1 Alliance Semiconductor AS4C256K16FO t RWL CAH ASC WCS t RAL Col Address t CWL WCH OEH t OED Data ...
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... CAC CAC Data In Data In Data Out Data Out RAS t CHR t CPN t CSR RAS t CRP t RAH Row Address Alliance Semiconductor AS4C256K16FO CRP t RAL t CAH Col Address t RWL t t CWD CWL t t AWD WP t OEA t CAP t CLZ t CAC Data In ...
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... CWD t CWL OEA OEA t DH Data CAP t OEZ t CLZ t OED CAP CAC t CLZ Alliance Semiconductor AS4C256K16FO RSH t t CAS CRP RAL t CAH t AWD t ASC RWL t CWD CWD t t CWL CWL ...
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... DHR I/O OE 4/11/01; V.0.9.1 ® RSH t ASC Col Address t RRH t OEA t CAC t CLZ Data Out RAS RP t RSH t RAL t CAH Col Address t RWL WCH t DH Data In Alliance Semiconductor AS4C256K16FO RAS PR CHR t CRP t OFF t OEZ ...
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... RCS t OEA t RWL t CWL WCH t WCS Data In t RCS t CWD t AWD t OEA CLZ t CAC Data Out Alliance Semiconductor AS4C256K16FO t t RSH RP t OFF Data Out t RRH t RCH t ROH CWL t OED OEZ t DS Data ...
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... Ambient temperature (°C) Typical supply current I CC vs. ambient temperature 0.0 –55 – 6.0 Ambient temperature (°C) Alliance Semiconductor AS4C256K16FO t RPS t RPC t CHS Typical access time t RAC vs. load capacitance C a 100 90 80 –70 70 –60 60 – ...
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... Output voltage (V) Typical fast page mode current I CC4 vs. supply voltage 0.0 4.0 4.5 5.0 5.5 6.0 Supply voltage (V) Alliance Semiconductor AS4C256K16FO Typical TTL stand-by current I CC2 vs. supply voltage V CC 3.5 3.0 2.5 2.0 1.5 1.0 0.5 0 4.0 4.5 5.0 5.5 6.0 Supply voltage (V) Typical output source current I OH vs. output voltage ...
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... Seating Plane ( MHz Room Temperature Symbol Signals IN1 RAS, UCAS, LCAS, WE, C IN2 OE C I/O0 to I/O15 I/O Alliance Semiconductor AS4C256K16FO 44-pin TSOP II c Min Max (mm) (mm 0. 0.95 1. 0.30 0.45 c 0.127 (typical) D 18.28 18.54 E 10.03 10.29 H 11.56 11.96 ...
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... RAS access time 4/11/01; V.0.9.1 ® –30 ns –35 ns AS4C256K16F0-35JC AS4C256K16F0-35JI AS4C256K16F0-35TC AS4C256K16F0-35TI –XX X Package Plastic SOJ, 400 mil, 40-pin T = TSOP II, 400 mil, 40/44-pin Alliance Semiconductor AS4C256K16FO –50 ns AS4C256K16FO-50JC AS4C256K16FO-50JI AS4C256K16FO-50TC AS4C256K16FO-50TI C/I Temperature Range: C= Commercial (0 ° °C) I= Industrial (-40°C to 85° ...