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74F189SJ Datasheet(PDF) 4 Page - Fairchild Semiconductor |
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74F189SJ Datasheet(HTML) 4 Page - Fairchild Semiconductor |
4 / 6 page www.fairchildsemi.com 4 AC Electrical Characteristics AC Operating Requirements Symbol Parameter TA = +25°CTA = −55°C to +125°CTA = 0°C to +70°C Units VCC = +5.0V VCC = +5.0V VCC = +5.0V CL = 50 pF CL = 50 pF CL = 50 pF Min Typ Max Min Max Min Max tPLH Access Time, HIGH or LOW 10.0 18.5 26.0 9.0 32.0 10.0 27.0 ns tPHL An to On 8.0 13.5 19.0 8.0 23.0 8.0 20.0 tPZH Access Time, HIGH or LOW 3.5 6.0 8.5 3.5 10.5 3.5 9.5 ns tPZL CS to On 5.0 9.0 13.0 5.0 15.0 5.0 14.0 tPHZ Disable Time, HIGH or LOW 2.0 4.0 6.0 2.0 8.0 2.0 7.0 ns tPLZ CS to On 3.0 5.5 8.0 2.5 10.0 3.0 9.0 tPZH Write Recovery Time, 6.5 15.0 28.0 6.5 37.5 6.5 29.0 ns tPZL HIGH or LOW WE to On 6.5 11.0 15.5 6.5 17.5 6.5 16.5 tPHZ Disable Time, HIGH or LOW 4.0 7.0 10.0 3.5 12.0 4.0 11.0 ns tPLZ WE to On 5.0 9.0 13.0 5.0 15.0 5.0 14.0 Symbol Parameter TA = +25°CTA = −55°C to +125°CTA = 0°C to +70°C Units VCC = +5.0V VCC = +5.0V VCC = +5.0V Min Max Min Max Min Max tS(H) Setup Time, HIGH or LOW 0 0 0 ns tS(L) An to WE 00 0 tH(H) Hold Time, HIGH or LOW 2.0 2.0 2.0 tH(L) An to WE 2.0 2.0 2.0 tS(H) Setup Time, HIGH or LOW 10.0 11.0 10.0 ns tS(L) Dn to WE 10.0 11.0 10.0 tH(H) Hold Time, HIGH or LOW 0 2.0 0 tH(L) Dn to WE 02.0 0 tS(L) Setup Time, LOW 0 0 0 ns CS to WE tH(L) Hold Time, LOW 6.0 7.5 6.0 CS to WE tW(L) WE Pulse Width, LOW 6.0 15.0 6.0 ns |
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