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WF4M32-150H2M5 Datasheet(PDF) 6 Page - White Electronic Designs Corporation |
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WF4M32-150H2M5 Datasheet(HTML) 6 Page - White Electronic Designs Corporation |
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6 / 15 page  6 White Electronic Designs Corporation • Phoenix AZ • (602) 437-1520 White Electronic Designs WF4M32-XXX5 AC CHARACTERISTICS FOR G4T AND H2 PACKAGES WRITE/ERASE/PROGRAM OPERATIONS - WE CONTROLLED (VCC = 5.0V, TA = -55°C TO +125°C) Parameter Symbol -100 -120 -150 Unit Min Max Min Max Min Max Write Cycle Time tAVAV tWC 100 120 150 ns Chip Select Setup Time tELWL tCS 00 0 ns Write Enable Pulse Width tWLWH tWP 45 50 50 ns Address Setup Time tAVWL tAS 00 0 ns Data Setup Time tDVWH tDS 45 50 50 ns Data Hold Time tWHDX tDH 15 15 15 ns Address Hold Time (1) tWLAX tAH 45 50 50 ns Write Enable Pulse Width High (2) tWHWL tWPH 20 20 20 ns Duration of Byte Programming Operation (3) tWHWH1 300 300 300 µs Sector Erase (4) tWHWH2 15 15 15 sec Read Recovery Time before Write tGHWL 00 0 µs VCC Setup Time tVCS 50 50 50 µs Chip Programming Time 44 44 44 sec Chip Erase Time (5) 256 256 256 sec Output Enable Hold Time (6) tOEH 10 10 10 ns RESET Pulse Width tRP 500 500 500 ns NOTES: 1. A21 must be held constant until WE or CS go high, whichever occurs first. 2. Guaranteed by design, but not tested. 3. Typical value for tWHWH1 is 7µs. 4. Typical value for tWHWH2 is 1sec. 5. Typical value for Chip Erase Time is 32sec. 6. For Toggle and Data Polling. AC CHARACTERISTICS FOR G4T AND H2 PACKAGES READ-ONLY OPERATIONS (VCC = 5.0V, TA = -55°C TO +125°C) Parameter Symbol -100 -120 -150 Unit Min Max Min Max Min Max Read Cycle Time tAVAV tRC 100 120 150 ns Address Access Time tAVQV tACC 100 120 150 ns Chip Select Access Time tELQV tCE 100 120 150 ns Output Enable to Output Valid tGLQV tOE 50 50 55 ns Chip Select High to Output High Z tEHQZ tDF 40 45 45 ns Output Enable High to Output High Z tGHQZ tDF 40 45 45 ns Output Hold from Addresses, CS or OE Change, tAXQX tOH 00 0 ns whichever is First RST Low to Read Mode tReady 20 20 20 µs |
Similar Part No. - WF4M32-150H2M5 |
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Similar Description - WF4M32-150H2M5 |
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