IS41C16257-35K Integrated Silicon Solution, IS41C16257-35K Datasheet
IS41C16257-35K
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IS41C16257-35K Summary of contents
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... These features make the IS41C16257 and the IS41LV16257 ideally suited for high band-width graphics, digital signal processing, high-performance computing systems, and peripheral applications. CAS The IS41C16257 and the IS41LV16257 are packaged in a 40-pin, 400-mil SOJ and TSOP (Type II). - RAC ...
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... IS41C16257 IS41LV16257 FUNCTIONAL BLOCK DIAGRAM OE WE CAS LCAS CLOCK UCAS GENERATOR RAS RAS CLOCK GENERATOR REFRESH COUNTER ADDRESS BUFFERS A0-A8 PIN CONFIGURATIONS 40-Pin TSOP (Type II) VCC 1 40 GND I/ I/O15 I/ I/O14 I/ I/O13 I/ I/O12 VCC 6 35 GND I/ I/O11 I/ ...
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... IS41C16257 IS41LV16257 TRUTH TABLE Function Standby Read: Word Read: Lower Byte Read: Upper Byte Write: Word (Early Write) Write: Lower Byte (Early Write) Write: Upper Byte (Early Write) (1,2) Read-Write Hidden Refresh 2) Read Write RAS -Only Refresh CBR Refresh (3) Notes: 1 ...
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... The IS41C16257 and the IS41LV16257 CAS LCAS determined by the first ( LOW and the last transitioning back HIGH. The two controls give the IS41C16257 both BYTE READ and BYTE WRITE cycle capabilities. Memory Cycle A memory cycle is initiated by bringing RAS terminated by returning both ...
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... IS41C16257 IS41LV16257 ABSOLUTE MAXIMUM RATINGS Symbol Parameters V Voltage on Any Pin Relative to GND T V Supply Voltage CC I Output Current OUT P Power Dissipation D T Operation Temperature A T Storage Temperature STG Note: 1. Stress greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied ...
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... IS41C16257 IS41LV16257 ELECTRICAL CHARACTERISTICS Symbol Parameter I Input Leakage Current IL I Output Leakage Current IO V Output High Voltage Level OH V Output Low Voltage Level OL I Stand-by Current: TTL Stand-by Current: TTL Stand-by Current: CMOS Stand-by Current: CMOS Operating Current: ...
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... IS41C16257 IS41LV16257 AC CHARACTERISTICS otherwise noted.) Symbol Parameter t Random READ or WRITE Cycle Time RC t Access Time from RAC t Access Time from CAC t Access Time from Column-Address AA RAS t Pulse Width RAS RAS t Precharge Time RP CAS t Pulse Width CAS CAS t Precharge Time CP CAS t Hold Time ...
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... IS41C16257 IS41LV16257 AC CHARACTERISTICS otherwise noted.) Symbol Parameter t Column-Address Setup Time to ACH Precharge during WRITE Cycle OE t Hold Time from OEH READ-MODIFY-WRITE cycle t Data-In Setup Time DS t Data-In Hold Time DH t READ-MODIFY-WRITE Cycle Time RWC RAS Delay Time during RWD READ-MODIFY-WRITE Cycle ...
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... IS41C16257 IS41LV16257 Notes initial pause of 200 s is required after power-up followed by eight RAS operation is assured. The eight 2. V (MIN) and V (MAX) are reference levels for measuring timing of input signals. Transition times, are measured between (or between V and V ) and assume for all inputs. ...
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... IS41C16257 IS41LV16257 FAST-PAGE-MODE READ CYCLE RAS t CRP UCAS/LCAS t ASR ADDRESS Row WE I/O OE Note referenced from rising edge of OFF RAS t CSH t RSH CAS CLCH RCD RAD RAL t t RAH ASC Column t RCS RAC t CAC t CLC ...
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... IS41C16257 IS41LV16257 FAST PAGE MODE READ-MODIFY-WRITE CYCLE RAS t t CRP RCD UCAS/LCAS RAD t RAH t ASR ADDRESS Row t RCS RAC t CLZ I/O0-I/O15 Integrated Silicon Solution, Inc. — 1-800-379-4774 DR004-1B 05/24/99 t RASP t CSH t CAS CPWD t CAH t t ASC ASC t AR Column ...
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... IS41C16257 IS41LV16257 FAST-PAGE-MODE EARLY WRITE CYCLE RAS t CRP UCAS/LCAS t ASR ADDRESS Row WE I DON'T CARE RAS t CSH t RSH CAS CLCH RCD RAD RAL RAH ASC CAH t ACH Column t CWL t RWL t WCR t t WCS WCH DHR ...
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... IS41C16257 IS41LV16257 FAST-PAGE-MODE READ WRITE CYCLE RAS t CRP UCAS/LCAS t ASR ADDRESS Row WE I/O OE Integrated Silicon Solution, Inc. — 1-800-379-4774 DR004-1B 05/24/99 (LATE WRITE and READ-MODIFY-WRITE Cycles) t RWC t RAS t CSH t t RCD RAD RAH ASC CAH Column t RWD t t CWD RCS ...
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... IS41C16257 IS41LV16257 FAST PAGE MODE EARLY WRITE CYCLE RAS t t CRP RCD UCAS/LCAS RAD t RAH t ASR ADDRESS Row t WCS WE t WCR OE t DHR t DS I/O0-I/O15 14 t RASP t t CSH t t CAS CAS CAH t ASC t ASC t AR Column Column t t CWL ...
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... IS41C16257 IS41LV16257 AC WAVEFORMS WE READ CYCLE (With -Controlled Disable) RAS t CRP UCAS/LCAS t ASR ADDRESS Row WE I/O OE RAS RAS RAS RAS RAS -ONLY REFRESH CYCLE RAS t CRP UCAS/LCAS t ASR ADDRESS I/O Integrated Silicon Solution, Inc. — 1-800-379-4774 DR004-1B 05/24/99 t CSH t t RCD CAS RAD ...
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... IS41C16257 IS41LV16257 CBR CBR CBR CBR CBR REFRESH CYCLE (Addresses; t RAS t RPC t CP UCAS/LCAS I/O HIDDEN REFRESH CYCLE (1) RAS t CRP UCAS/LCAS t ASR ADDRESS Row I/O OE Notes Hidden Refresh may also be performed after a Write Cycle. In this case referenced from rising edge of OFF ...
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... TSOP (Type II) 60 IS41C16257-60K 400-mil SOJ IS41C16257-60T 400-mil TSOP (Type II) Industrial Range: – Speed (ns) Order Part No. Package 35 IS41C16257-35KI 400-mil SOJ IS41C16257-35TI 400-mil TSOP (Type II) 60 IS41C16257-60KI 400-mil SOJ IS41C16257-60TI 400-mil TSOP (Type II) Integrated Silicon Solution, Inc. — 1-800-379-4774 ...