HN58C257AT-10 HITACHI, HN58C257AT-10 Datasheet
HN58C257AT-10
Related parts for HN58C257AT-10
HN58C257AT-10 Summary of contents
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... EEPROM (32-kword 8-bit) Ready/Busy and RES function (HN58C257A) Description The Hitachi HN58C256A and HN58C257A are electrically erasable and programmable ROMs organized as 32768-word 8-bit. They have realized high speed low power consumption and high reliability by employing advanced MNOS memory technology and CMOS process and circuitry technology. They also have a 64-byte page programming function to make their write operations faster ...
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... HN58C256A Series, HN58C257A Series Ordering Information Type No. Access time HN58C256AP- HN58C256AP-10 100 ns HN58C256AFP- HN58C256AFP-10 100 ns HN58C256AT- HN58C256AT-10 100 ns HN58C257AT- HN58C257AT-10 100 ns Pin Arrangement HN58C256AP/AFP Series A14 1 28 A12 ...
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Pin Description Pin name Function A0 to A14 Address input I/O0 to I/O7 Data input/output OE Output enable CE Chip enable WE Write enable V Power supply CC V Ground SS 1 RDY/Busy* Ready busy 1 RES* Reset NC No ...
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HN58C256A Series, HN58C257A Series Operation Table CE Operation Read V IL Standby V IH Write V IL Deselect V IL Write inhibit Data polling V IL Program reset Notes: 1. Refer to the recommended DC operating condition Don’t ...
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Recommended DC Operating Conditions Parameter Supply voltage Input voltage Operating temperature Notes min: –1.0 V for pulse width max 1.0 V for pulse width This function is supported by only ...
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HN58C256A Series, HN58C257A Series AC Characteristics ( +70°C, V Test Conditions Input pulse levels Input rise and fall time Input timing reference levels: 0.8, 2.0 ...
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Write Cycle Parameter Address setup time Address hold time CE to write setup time (WE controlled) CE hold time (WE controlled write setup time (CE controlled) WE hold time (CE controlled write setup time OE hold ...
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HN58C256A Series, HN58C257A Series Read Timing Waveform Address CE OE High WE Data Out 2 RES * 8 t ACC Data out valid DFR ...
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Byte Write Timing Waveform (1) (WE Controlled) Address Din 2 RDY/Busy * t RES 2 RES * V CC HN58C256A Series, HN58C257A Series OES t DS ...
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HN58C256A Series, HN58C257A Series Byte Write Timing Waveform (2) (CE Controlled) Address Din High-Z 2 RDY/Busy * t RES 2 RES * OES t DS ...
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Page Write Timing Waveform (1) (WE Controlled) *7 Address A0 to A14 OES Din High-Z 2 RDY/Busy * RES * t RES V CC HN58C256A ...
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HN58C256A Series, HN58C257A Series Page Write Timing Waveform (2) (CE Controlled) *8 Address A0 to A14 OES Din High-Z 2 RDY/Busy * RES * t ...
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Data Polling Timing Waveform Address OEH OE Din X I/O7 HN58C256A Series, HN58C257A Series Dout OES t DW Dout X 13 ...
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HN58C256A Series, HN58C257A Series Toggle bit This device provide another function to determine the internal programming cycle. If the EEPROM is set to read mode during the internal programming cycle, I/O6 will charge from “1” to “0” (toggling) for each ...
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Software Data Protection Timing Waveform (1) (in protection mode Address 5555 Data AA Software Data Protection Timing Waveform (2) (in non-protection mode Address 5555 Data AA HN58C256A Series, HN58C257A Series t BLC ...
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HN58C256A Series, HN58C257A Series Functional Description Automatic Page Write Page-mode write feature allows bytes of data to be written into the EEPROM in a single write cycle. Following the initial byte cycle, an additional ...
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WE, CE Pin Operation During a write cycle, addresses are latched by the falling edge CE, and data is latched by the rising edge CE. Write/Erase Endurance and Data Retention Time 5 The endurance ...
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HN58C256A Series, HN58C257A Series 2. Data Protection at V On/Off CC When V is turned on or off, noise on the control pins generated by external circuits (CPU, etc) may act trigger and turn the EEPROM to ...
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Protection by RES (only the HN58C257A series) The unprogrammable state can be realized by that the CPU’s reset signal inputs directly to the EEPROM’s RES pin. RES should be kept V The EEPROM breaks off programming operation when RES ...
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... The software data protection is not enabled at the shipment. Note: There are some differences between Hitachi’s and other company’s for enable/disable sequence of software data protection. If there are any questions , please contact with Hitachi sales offices. 20 Address ...
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... Package Dimensions HN58C256AP Series (DP-28 1.2 1.9 Max 2.54 0.25 HN58C256A Series, HN58C257A Series 35.6 36.5 Max 15 14 0.48 0.10 15.24 + 0.11 0.25 – 0.05 0 – 15 Hitachi Code DP-28 JEDEC — EIAJ Conforms Weight (reference value) 4.6 g Unit ...
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... HN58C256A Series, HN58C257A Series Package Dimensions (cont.) HN58C256AFP Series (FP-28D) 18.8 Max 28 1 1.12 Max 1.27 0.40 0.08 0.38 0.06 Dimension including the plating thickness Base material dimension 22 18 0.15 0.20 M 11.8 0.3 1.7 0 – 8 1.0 0.2 Hitachi Code FP-28D JEDEC Conforms EIAJ — Weight (reference value) 0.7 g Unit: mm ...
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... Package Dimensions (cont.) HN58C256AT Series (TFP-28DB) 8.00 8.20 Max 28 1 0.22 0.08 0.20 0.06 0.45 Max 0.10 Dimension including the plating thickness Base material dimension HN58C256A Series, HN58C257A Series 15 14 0.55 0.10 M 13.40 0.30 Hitachi Code JEDEC EIAJ Weight (reference value) Unit: mm 0.80 0 – 5 0.50 0.10 TFP-28DB — — 0. ...
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... HN58C256A Series, HN58C257A Series Package Dimensions (cont.) HN58C257AT Series (TFP-32DA) 8.00 8.20 Max 32 1 0.22 0.08 0.20 0.06 0.45 Max 0.10 Dimension including the plating thickness Base material dimension 0.50 0.08 M 14.00 0.20 0.80 0 – 5 0.50 0.10 Hitachi Code TFP-32DA JEDEC Conforms EIAJ Conforms Weight (reference value) 0.26 g Unit: mm ...
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... 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’s unit according to this document. ...