HYB514256B-50 SIEMENS [Siemens Semiconductor Group], HYB514256B-50 Datasheet
HYB514256B-50
Related parts for HYB514256B-50
HYB514256B-50 Summary of contents
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... P-SOJ-26/20-1 DRAM (access time 60 ns) P-SOJ-26/20-1 DRAM (access time 70 ns) P-DIP-20-2 DRAM (access time 50 ns) P-DIP-20-2 DRAM (access time 60 ns) P-DIP-20-2 DRAM (access time 70 ns) P-SOJ-26/20-1 DRAM (access time 50 ns) P-SOJ-26/20-1 DRAM (access time 60 ns) P-SOJ-26/20-1 DRAM (access time 70 ns ...
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... Schottky TTL. These HYB 514256BL/BJL are specially selected for battery backup applications. Pin Definitions and Functions Pin No. Function A0-A8 Address Inputs RAS Row Address Strobe OE Output Enable I/O1-I/O4 Data Input/Output CAS Column Address Strobe WE Read/Write Input V Power Supply (+ Ground ( N.C. No Connection Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/-70 56 256 K 4-DRAM ...
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... Pin Configuration (top view) P-SOJ-26/20-1 Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/-70 P-DIP-20-2 57 256 K 4-DRAM ...
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... Block Diagram Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/-70 58 256 K 4-DRAM ...
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... RC 59 256 K Limit Values Unit Test Condition min. max. 1) 2.4 6 – 1.0 0 2.4 – – 0 – – – – – – – – – – 4-DRAM ...
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... HYB 514256B/BL/BJ/BJL-50/-60/- Symbol I CC4 I CC5 I CC6 min.) I CC7 60 256 K Limit Values Unit Test Condition min. max. – – – – – 200 A – – – – 300 A 4-DRAM ...
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... Unit ...
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... Unit ...
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... 256 K Limit Values -60 -70 min. max. min. max. 30 – 40 – – 15 – – 10 – – 0 – 0 – 0 – 20 – 20 – 20 – 20 – Limit Values min. max. – 5 – 7 – 7 4-DRAM Unit Unit ...
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... RAC (max.) limit, then access time is controlled by t RCD (max.) can be met. t RAC (max.) limit, then access time is controlled by t RAD = 5ns 256 K 4-DRAM (min.), t (min.) and RWD CWD CWD (max.) is specified as a reference RCD (max.) is specified as a reference ...
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... RAS t CSH t t RSH RCD t CAS t RAD t RAL t CAH t ASC Column Address t t RAH RCS OEA t DZC t DZO t CAC t CLZ RAC 65 256 CRP t ASR Row Address t RCH t RRH t CDD t ODD t OFF t OEZ Valid Data Out Hi Z 4-DRAM ...
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... Write Cycle (Early Write) Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/- RAS t CSH t t RCD RSH t CAS t RAD t RAL t CAH t ASC Column Address t CWL t RAH t WCS WCH t RWL Valid Data 256 K 4-DRAM CRP t ASR . Row Address ...
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... Write Cycle (OE Controlled Write) Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/- RAS t CSH t t RCD RSH t CAS t RAD t RAL t CAH t ASC Column Address t CWL t RWL OEH t ODD DZO DZC t OEZ Valid Data t CLZ t OEA Hi-Z 67 256 K 4-DRAM CRP t ASR . Row Address Hi-Z ...
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... AWD t RAD CWD t RWD OEA RCS t DZO t DZC t CLZ t CAC Data Out t RAC 68 256 RSH t t CAS CRP t ASR Address t CWL t RWL OEH Valid Data in t ODD t OEZ “H” or “L” 4-DRAM Row ...
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... Fast Page Mode Read-Modify-Write Cycle Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/-70 69 256 K 4-DRAM ...
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... OEA OEA t t DZC DZC t DZO t DZO t ODD t CAC t t CAC OFF t RAC t OEZ t t CLZ CLZ Valid Data Out 70 256 K 4-DRAM RHCP t RSH t CRP t CAS t CAH t t ASR ASC Column Row Address Address t RCH t RCS t t CPA RRH t AA ...
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... Address t t CWL CWL t WCS t WCS t t WCH WCH Valid Valid Data In Data In HI-Z 71 256 K 4-DRAM RSH t CAS t CRP t RAL t t ASR CAH t ASC Column Row Address Address t CWL t RWL t WCS t WCH ...
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... V IH RAS CAS ASR V IH A0- I/O1-I/O4 (Outputs “H” or “L” RAS-Only Refresh Cycle Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/-70 t RAS t RAH Row Address HI-Z 72 256 CRP t RPC t ASR Row Address 4-DRAM ...
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... CAS OEZ CDD V IH I/O1-I/O4 (Inputs ODD V OH I/O1-I/O4 (Outputs OFF “H” or “L” CAS-Before-RAS Refresh Cycle Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/-70 t RAS t CSR t CHR t WRP t WRH HI-Z 73 256 K 4-DRAM CRP t RPC ...
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... HYB 514256B/BL/BJ/BJL-50/-60/- RAS t RSH t RCD t WRP t ASC t CAH Column Address t RRH OEA t DZC t DZO t CAC t CLZ t RAC Valid Data Out 74 256 RAS t t CHR CRP t ASR t WRH t CDD t ODD t OFF t OEZ HI-Z 4-DRAM Row Address ...
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... Hidden Refresh Cycle (Early Write) Semiconductor Group HYB 514256B/BL/BJ/BJL-50/-60/- RAS t t RCD RSH t ASC t CAH Column Address t WCS t WCH Valid Data HI-Z 75 256 K 4-DRAM RAS t t CHR CRP t ASR Row Address ...
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... RSH t CAS t RAL AA t CAC t OEA t CDD t ODD t OFF t OEZ Valid Data Out t RWL t CWL t WCH t DH Data In t CWL t t RWL AWD t CWD OEA OEH Data In t ODD t OEZ D.Out HI-Z 4-DRAM t ASR Row Address t RRH t RCH ...