upd43256b Renesas Electronics Corporation., upd43256b Datasheet
upd43256b
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upd43256b Summary of contents
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Description μ The PD43256B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM. Battery backup is available. And A and B versions are wide voltage operations. μ The PD43256B is packed in ...
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Ordering Information Part number Package μ PD43256BCZ-70L 28-pin PLASTIC DIP μ PD43256BCZ-85L (15.24 mm (600)) μ PD43256BCZ-70LL μ PD43256BCZ-85LL μ PD43256BGU-70L 28-pin PLASTIC SOP μ PD43256BGU-85L (11.43 mm (450)) μ PD43256BGU-70LL μ PD43256BGU-85LL μ PD43256BGU-A85 μ PD43256BGU-A10 μ PD43256BGU-A12 μ ...
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Part number Package μ PD43256BGU-70L-A 28-pin PLASTIC SOP μ PD43256BGU-85L-A (11.43 mm (450)) μ PD43256BGU-70LL-A μ PD43256BGU-85LL-A μ PD43256BGU-A85-A μ PD43256BGU-A10-A μ PD43256BGU-A12-A μ PD43256BGU-B10-A μ PD43256BGU-B12-A μ PD43256BGW-70LL-9JL-A 28-pin PLASTIC TSOP (I) μ PD43256BGW-85LL-9JL-A (8x13.4) (Normal bent) μ PD43256BGW-A85-9JL-A ...
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Pin Configurations (Marking Side) /xxx indicates active low signal. A14 A12 I/O1 I/O2 I/O3 GND Remark Refer to Package Drawings for the 1-pin index mark. 4 28-pin PLASTIC DIP (15.24 mm (600)) ...
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PLASTIC SOP (11.43 mm (450)) μ [ PD43256BGU-xxL ] μ [ PD43256BGU-xxLL ] μ [ PD43256BGU-Axx ] μ [ PD43256BGU-Bxx ] μ [ PD43256BGU-xxL-A ] μ [ PD43256BGU-xxLL-A ] μ [ PD43256BGU-Axx-A ] μ [ PD43256BGU-Bxx-A ] A14 1 ...
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PLASTIC TSOP (I) (8x13.4) (Normal bent) /OE 1 A11 A13 5 / A14 8 A12 28-pin PLASTIC TSOP (I) ...
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Block Diagram A0 Address buffer A14 I/O1 I/O8 /CS /OE / GND Truth Table /CS /OE /WE × × × Remark × Row ...
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Electrical Specifications Absolute Maximum Ratings Parameter Symbol Supply voltage Input / Output voltage Operating ambient temperature Storage temperature Note –3.0 V (MIN.) (Pulse width : 50 ns) Caution Exposing the device to stress above those listed in Absolute Maximum Rating ...
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DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) (1/2) Parameter Symbol Input leakage current I/O leakage current I/O / Operating ...
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DC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) (2/2) Parameter Symbol Input leakage current I/O leakage current I/O / Operating supply ...
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AC Characteristics (Recommended Operating Conditions Unless Otherwise Noted) AC Test Conditions μ μ [ PD43256B-70L, PD43256B-85L, Input Waveform (Rise and Fall Time ≤ 5 ns) 2.2 V 1.5 V 0.8 V Output Waveform 1.5 V Output Load AC characteristics should ...
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Read Cycle (1/2) Parameter Symbol Read cycle time Address access time /CS access time t /OE access time Output hold from address change /CS to output in low impedance t /OE to output in low impedance t /CS to output ...
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Read Cycle Timing Chart Address (Input) /CS (Input) /OE (Input) I/O (Output) Remark In read cycle, /WE should be fixed to high level ACS t CLZ OLZ High impedance Data Sheet M10770EJEV0DS ...
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Write Cycle (1/2) Parameter Symbol Write cycle time /CS to end of write Address valid to end of write Write pulse width Data valid to end of write Data hold time Address setup time Write recovery time /WE to output ...
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Write Cycle Timing Chart 1 (/WE Controlled) Address (Input) /CS (Input /WE (Input) I/O (Input / Output) Indefinite data out Cautions 1. /CS or /WE should be fixed to high level during address transition. 2. When I/O pins ...
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Write Cycle Timing Chart 2 (/CS Controlled) Address (Input) /CS (Input) /WE (Input) High impedance I/O (Input) Cautions 1. /CS or /WE should be fixed to high level during address transition. 2. When I/O pins are in the output state, ...
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Low V Data Retention Characteristics (T CC Parameter Symbol /CS ≥ V Data retention supply voltage V CCDR V Data retention supply current I CC CCDR Chip deselection t CDR to data retention mode Operation recovery time t R μ ...
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Package Drawings 28-PIN PLASTIC DIP (15.24 mm (600 NOTES 1. Each lead centerline is located within 0. its true position (T.P.) at maximum material condition. 2. Item "K" to ...
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PLASTIC SOP (11.43 mm (450 NOTE Each lead centerline is located within 0. its true position (T.P.) at maximum material condition. 15 detail of lead end 14 ...
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PLASTIC TSOP(I) (8x13. NOTES 1. Each lead centerline is located within 0. its true position (T.P.) at maximum material condition. 2. "A" excludes mold flash. (Includes mold flash : 8.4mm ...
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PLASTIC TSOP(I) (8x13. NOTE 1. Each lead centerline is located within 0. its true position (T.P.) at maximum material condition. 2. "A" excludes mold flash. (Includes mold flash : 8.4mm MAX.) ...
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Recommended Soldering Conditions Please consult with our sales offices for soldering conditions of the Types of Surface Mount Device μ PD43256BGU-xxL : 28-pin PLASTIC SOP (11.43 mm (450)) μ PD43256BGU-xxLL : 28-pin PLASTIC SOP (11.43 mm (450)) μ PD43256BGU-Axx : ...
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Revision History Edition/ Page Type of Date This Previous revision edition edition 14th edition/ p.1 p.1 Deletion Jun. 2006 Location (Previous edition → This edition) − Description of Version X and P has been deleted. Data Sheet M10770EJEV0DS μ PD43256B ...
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MEMO ] 24 Data Sheet M10770EJEV0DS μ PD43256B ...
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MEMO ] Data Sheet M10770EJEV0DS μ PD43256B 25 ...
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MEMO ] 26 Data Sheet M10770EJEV0DS μ PD43256B ...
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NOTES FOR CMOS DEVICES 1 VOLTAGE APPLICATION WAVEFORM AT INPUT PIN Waveform distortion due to input noise or a reflected wave may cause malfunction. If the input of the CMOS device stays in the area between V malfunction. Take care ...
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The information in this document is current as of June, 2006. The information is subject to change without notice. For actual design-in, refer to the latest publications of NEC Electronics data sheets or data books, etc., for the most ...