AT27C256R ATMEL Corporation, AT27C256R Datasheet
AT27C256R
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AT27C256R Summary of contents
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... OE) to give designers the flexibility to prevent bus contention. With 32K byte storage capability, the AT27C256R allows firmware to be stored reli- ably and to be accessed by the system without the delays of mass storage media. Atmel’s AT27C256R has additional features to ensure high quality and efficient pro- duction use ...
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... PLCC Top View Note: PLCC Package Pins 1 and 17 are Don’t Connect. AT27C256R 2 Function Addresses Outputs Chip Enable Output Enable No Connect 2.3 VCC A14 A13 A8 A9 A11 OE A10 ...
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... This is a stress rating only and func- tional operation of the device at these or any other conditions beyond those indicated in the opera- (1) tional sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect device reliability. (1) (1) AT27C256R 3 ...
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... Identification Code except A9 which is set to V and A0 which is toggled select the Device Code byte. IH AT27C256R -45 -70 -40° 85° C -40° 125° ± 10% Min Max ±1 ±5 ±5 ±10 10 100 1 20 -0.6 0.8 2 ...
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... Condition (1) = 0.8V and after the falling edge of CE without impact after the address is valid without impact on t ACC OE AT27C256R AT27C256R -45 -70 Min Max Min Max 0.0V and V = 3.0V. Timing mea ...
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... C L 13. Pin Capacitance ( MHz 25°C Symbol Typ OUT Note: 1. Typical values for nominal supply voltage. This parameter is only sampled and is not 100% tested. AT27C256R < (10 < (10 Max ...
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... Programming Waveforms Notes: 1. The Input Timing Reference is 0.8V for and t are characteristics of the device but must be accommodated by the programmer. OE DFP 3. When programming the AT27C256R a 0.1 µF capacitor is required across V transients. 15. DC Programming Characteristics = 25 ± 5° 6.5 ± 0.25V Symbol Parameter I Input Load Current ...
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... This parameter is only sampled and is not 100% tested. Output Float is defined as the point where data is no longer driven – see timing diagram. 3. Program Pulse width tolerance is 100 µsec ± 5%. 17. Atmel’s AT27C256R Integrated Product Identification Code Codes A0 Manufacturer 0 ...
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... V are read again and compared with the original data to determine if the device passes or fails. 0014M–EPROM–12/07 is raised to 13.0V. Each address is first programmed with one 100 µ then lowered to 5.0V and V PP AT27C256R 5.0V. All bytes CC 9 ...
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... Thin Small Outline Package (TSOP) AT27C256R 10 Ordering Code AT27C256R-45JI AT27C256R-45PI AT27C256R-45RI AT27C256R-45TI AT27C256R-70JI AT27C256R-70PI AT27C256R-70RI AT27C256R-70TI AT27C256R-70JA AT27C256R-70PA AT27C256R-70RA Ordering Code AT27C256R-45JU AT27C256R-45PU AT27C256R-45RU AT27C256R-45TU AT27C256R-70JU AT27C256R-70PU AT27C256R-70RU AT27C256R-70TU Package Type Package Operation Range 32J Industrial 28P6 (-40° 85° C) (1) 28R 28T 32J Industrial 28P6 (-40° ...
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... Lead coplanarity is 0.004" (0.102 mm) maximum. 2325 Orchard Parkway San Jose, CA 95131 R 0014M–EPROM–12/07 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER TITLE 32J, 32-lead, Plastic J-leaded Chip Carrier (PLCC) AT27C256R 0.318(0.0125) 0.191(0.0075 COMMON DIMENSIONS (Unit of Measure = mm) MIN NOM MAX SYMBOL A 3.175 – ...
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... SEATING PLANE Notes: 1. This package conforms to JEDEC reference MS-011, Variation AB. 2. Dimensions D and E1 do not include mold Flash or Protrusion. Mold Flash or Protrusion shall not exceed 0.25 mm (0.010"). 2325 Orchard Parkway San Jose, CA 95131 R AT27C256R 12 D PIN 0º ~ 15º REF ...
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... Mold Flash or protrusion shall not exceed 0.25 mm (0.010"). 2325 Orchard Parkway San Jose, CA 95131 R 0014M–EPROM–12/ TITLE 28R, 28-lead, 0.330" Body Width, Plastic Gull Wing Small Outline (SOIC) AT27C256R COMMON DIMENSIONS (Unit of Measure = mm) MIN MAX SYMBOL NOM A 2.39 – 2.79 A1 0.050 – 0.356 D 18 ...
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... This package conforms to JEDEC reference MO-183. 2. Dimensions D1 and E do not include mold protrusion. Allowable protrusion 0.15 mm per side and 0.25 mm per side. 3. Lead coplanarity is 0.10 mm maximum. 2325 Orchard Parkway San Jose, CA 95131 R AT27C256R 14 PIN SEATING PLANE ...
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... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. © 2007 Atmel Corporation. All rights reserved. Atmel Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia ...