AT27C256R-70JU Atmel, AT27C256R-70JU Datasheet
AT27C256R-70JU
Specifications of AT27C256R-70JU
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AT27C256R-70JU 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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... 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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... V High High (1) V High Identification Code and A0 which is toggled select the Device Code byte. AT27C256R -70 -40° 85° C -40° 125° ± 10% Min Max ±1 ±5 ±5 ±10 10 100 1 20 -0.6 0.8 2 0.5 CC 0.4 2 OUT OUT D OUT Units µ ...
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... This parameter is only sampled and is not 100% tested. 5. Output float is defined as the point when data is no longer driven. 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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... Note 100 pF including jig capacitance, except for the -45 devices, where 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 pF. L Units ...
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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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... AT27C256R-70JA 32J AT27C256R-70PA 28P6 AT27C256R-70RA 28R Ordering Code Package AT27C256R-45JU 32J AT27C256R-45PU 28P6 AT27C256R-45RU 28R AT27C256R-45TU 28T AT27C256R-70JU 32J AT27C256R-70PU 28P6 AT27C256R-70RU 28R AT27C256R-70TU 28T Package Type Operation Range Industrial (-40° 85° C) (1) Industrial (-40° 85° C) (1) Automotive (-40° 125° C) ...
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... Lead coplanarity is 0.004" (0.102 mm) maximum. 2325 Orchard Parkway San Jose, CA 95131 R 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 – ...