hm9264b Renesas Electronics Corporation., hm9264b Datasheet
hm9264b
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hm9264b Summary of contents
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... Three state output Directly TTL compatible All inputs and outputs Battery backup operation capability Note: HM9264B series can't be applied for Aerospace, Aircraft, Nucleus Plants, Main Flame Computers, Medical Life-support System, and Automobile Engine Control and Industrial machines. (e.g. Communication Hubs, NC, and others.) Ordering Information Type No ...
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... Pin Description Pin name Function A0 to A12 Address input I/O1 to I/O8 Data input/output CS1 Chip select 1 CS2 Chip select 2 WE Write enable OE Output enable NC No connection V Power supply CC V Ground SS HM9264BLFP/BLP Series A12 CS2 ...
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... Block Diagram A11 A12 I/O1 I/O8 CS2 CS1 WE OE Row Memory array decoder 256 256 Column I/O Input Column decoder data control A10 A3 Timing pulse generator Read, Write control HM9264B Series ...
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... HM9264B Series Function Table WE CS1 OE CS2 Mode H Not selected (power down) L Not selected (power down Output disable Read Write Write Note Absolute Maximum Ratings Parameter *1 Power supply voltage *1 Terminal voltage Power dissipation ...
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... 2 2.4 — — –1 5 +25 C and not guaranteed. CC Symbol Min Typ Max Cin — — — — 7 I/O HM9264B Series = CS2 = I CS2 = I ...
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... HM9264B Series AC Characteristics ( + Test Conditions Input pulse levels: 0 2.4 V Input and output timing reference level: 1.5 V Input rise and fall time Output load: 1 TTL Gate + C L Read Cycle Parameter Read cycle time Address access time Chip select access time ...
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... Read Timing Waveform (1) ( Address CS1 CS2 OE High Impedance Dout Read Timing Waveform (2) ( Address t OH Dout ) Valid address CO1 t LZ1 t CO2 t LZ2 OLZ Valid data , Valid address t AA Valid data HM9264B Series t HZ1 t HZ2 t OHZ ...
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... HM9264B Series Read Timing Waveform (3) ( CS1 CS2 Dout , CO1 t LZ1 t CO2 t LZ2 t HZ1 t HZ2 Valid data ...
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... Dout is the same phase of the written data in this write cycle. 8. Dout is the read data of the next address 9. In the write cycle with OE low fixed data bus contention t t max + t min. WP WHZ DW HM9264B Series HM9264B-8L HM9264B-10L Symbol Min Max Min t 85 — 100 ...
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... HM9264B Series Write Timing Waveform (1) (OE Clock) Address OE CS1 CS2 WE Dout High Impedance Din t WC Valid address OHZ t DW Valid data t WR High Impedance t DH ...
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... Write Timing Waveform (2) (OE Low Fixed) ( Address CS1 *6 CS2 Dout High Impedance Din ) Valid address WHZ Valid data HM9264B Series ...
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... HM9264B Series Low V Data Retention Characteristics ( + Parameter Symbol V for data retention Data retention current I CCDR Chip deselect to data t CDR retention time Operation recovery time t R Notes: 1. Reference data max read cycle time. ...
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... Package Dimensions HM9264BLFP Series (FP-28DA) 18.3 18.75 Max 28 1 0.895 0.40 1.27 ± 0.10 HM9264BLP Series (DP-28) 35.6 36.5 Max 28 1 1.2 1.9 Max 2.54 ± 0. 0.10 – 0. 0.48 ± 0.10 HM9264B Series Unit: mm 11.8 ± 0.3 0 – 10 ° 1.0 Unit: mm 15.24 + 0.11 0.25 – 0.05 0° – 15° ...
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... HM9264B Series When using this document, keep the following in mind: 1. This document may, wholly or partially, be subject to change without notice. 2. All rights are reserved: No one is permitted to reproduce or duplicate, in any form, the whole or part of this document without Hitachi’s permission. 3. Hitachi will not be held responsible for any damage to the user that may result from accidents or any other reasons during operation of the user’ ...