AT28C64B-15JU Atmel, AT28C64B-15JU Datasheet
AT28C64B-15JU
Specifications of AT28C64B-15JU
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AT28C64B-15JU Summary of contents
Page 1
... When the device is deselected, the CMOS standby current is less than 100 µA. The AT28C64B is accessed like a Static RAM for the read or write cycle without the need for external components. The device contains a 64-byte page register to allow writing bytes simultaneously ...
Page 2
... Exposure to absolute maximum rating conditions for extended periods may affect device reliability + 0.6V CC Condition MHz OUT -400 µA OH AT28C64B WE I OUT High High Z V High Z IL Min Max Units 10 µA 10 µA 100 µ ...
Page 3
... whichever occurs first ( This parameter is characterized and is not 100% tested. AT28C64B 6 (1)(2)(3)(4) ADDRESS VALID ACC HIGH Z OUTPUT VALID - t after the address transition without impact after the falling edge of CE without impact pF). L AT28C64B-15 Min Max Units 150 ns 150 ACC ...
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... Input Test Waveforms and Measurement Level 12. Output Test Load 13. Pin Capacitance ( MHz 25°C Symbol Typ OUT Note: 1. This parameter is characterized and is not 100% tested < Max 6 12 AT28C64B Units Conditions OUT 7 ...
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... AH t Chip Select Setup Time CS t Chip Select Hold Time CH t Write Pulse Width ( Data Setup Time Data, OE Hold Time DH OEH 15. AC Write Waveforms 15.1 WE Controlled OE ADDRESS CE WE DATA IN 15.2 CE Controlled OE ADDRESS WE CE DATA IN AT28C64B 8 t OES OES Min Max ...
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... A6 through A12 must specify the same page address during each high to low transition of WE (or CE must be high only when WE and CE are both low. 18. Chip Erase Waveforms (min 12.0V ±0.5V H (1)(2) t WPH VALID ADD t DS VALID DATA µs (min.) H AT28C64B Min Max 100 150 50 t BLC Units µ ...
Page 7
... Toggling either both OE and CE will operate toggle bit. 2. Beginning and ending state of I/O6 will vary. 3. Any address location may be used but the address should not vary. (1) See “AC Read Characteristics” on page 6. t OEH t OE (1) (1)(2)( OEH OEHP AT28C64B Min Typ Max Min Typ Max 10 10 150 Units ...
Page 8
... Wide, Plastic Gull Wing Small Outline (SOIC) 28T 28-lead, Plastic Thin Small Outline Package (TSOP) (1) Ordering Code AT28C64B-15JI AT28C64B-15PI AT28C64B-15SI AT28C64B-15TI Ordering Code AT28C64B-15JU AT28C64B-15SU AT28C64B-15TU AT28C64B-15PU Package and Temperature Combinations JI, JU, PI, SI, SU, TI, TU, PU Package Type AT28C64B Package Operation Range ...
Page 9
... Allowable protrusion is .010"(0.254 mm) per side. Dimension D1 and E1 include mold mismatch and are measured at the extreme material condition at the upper or lower parting line. 3. Lead coplanarity is 0.004" (0.102 mm) maximum. TITLE 2325 Orchard Parkway San Jose, CA 95131 R AT28C64B 14 1.14(0.045) X 45˚ PIN NO. 1 IDENTIFIER ...