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WF2M32U-150G2UC5 Datasheet(PDF) 4 Page - White Electronic Designs Corporation |
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WF2M32U-150G2UC5 Datasheet(HTML) 4 Page - White Electronic Designs Corporation |
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4 / 15 page  4 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WF2M32-XXX5 October 2004 Rev. 5 AC CHARACTERISTICS – WRITE/ERASE/PROGRAM OPERATIONS - WE# CONTROLLED VCC = 5.0V, -55°C ≤ TA ≤ +125°C Parameter Symbol -90 -120 -150 Unit Min Max Min Max Min Max Write Cycle Time tAVAV tWC 90 120 150 ns Chip Select Setup Time tELWL tCS 000 ns Write Enable Pulse Width tWLWH tWP 45 50 50 ns Address Setup Time tAVWL tAS 000 ns Data Setup Time tDVWH tDS 45 50 50 ns Data Hold Time tWHDX tDH 000 ns Address Hold Time tWLAX tAH 45 50 50 ns Write Enable Pulse Width High tWHWL tWPH 20 20 20 ns Duration of Byte Programming Operation (1) tWHWH1 300 300 300 µs Sector Erase (2) tWHWH2 15 15 15 sec Read Recovery Time before Write tGHWL 000 µs VCC Setup Time tVCS 50 50 50 µs Chip Programming Time 44 44 44 sec Chip Erase Time (3) 256 256 256 sec Output Enable Hold Time (4) tOEH 10 10 10 ns RESET# Pulse Width (5) tRP 500 500 500 ns NOTES: 1. Typical value for tWHWH1 is 7µs. 2. Typical value for tWHWH2 is 1sec. 3. Typical value for Chip Erase Time is 32sec. 4. For Toggle and Data Polling. 5. RESET# internally tied to VCC for the default pin configuration in the HIP package. AC CHARACTERISTICS – READ-ONLY OPERATIONS VCC = 5.0V, -55°C ≤ TA ≤ +125°C Parameter Symbol -90 -120 -150 Unit Min Max Min Max Min Max Read Cycle Time tAVAV tRC 90 120 150 ns Address Access Time tAVQV tACC 90 120 150 ns Chip Select Access Time tELQV tCE 90 120 150 ns Output Enable to Output Valid tGLQV tOE 40 50 55 ns Chip Select High to Output High Z (1) tEHQZ tDF 20 30 35 ns Output Enable High to Output High Z (1) tGHQZ tDF 20 30 35 ns Output Hold from Addresses, CS# or OE# Change, whichever is First tAXQX tOH 000 ns RST Low to Read Mode (1,2) tReady 20 20 20 µs NOTES: 1. Guaranteed by design, not tested. 2. RESET# internally tied to VCC for the default pin configuration in the HIP package. |
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