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WED7P2G0CFA8001C25 Datasheet(PDF) 7 Page - White Electronic Designs Corporation |
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WED7P2G0CFA8001C25 Datasheet(HTML) 7 Page - White Electronic Designs Corporation |
7 / 11 page 7 White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com White Electronic Designs WED7PxxxCFA80xxC25 July 2005 Rev. 1 White Electronic Designs Corp. reserves the right to change products or specifications without notice. AC CHARACTERISTICS (cont'd): I/O Input (Read) Timing Specification Item Symbol IEEE Symbol Min ns. Max ns. Data Delay after IORD td(IORD) tIGLQV 100 Data Hold following IORD th(IORD) tIGHQX 0 IORD Width Time tw(IORD) tIGLIGH 165 Address Setup before IORD tsuA(IORD) tAVIGL 70 Address Hold following IORD thA(IORD) tIGHAX 20 CE Setup before IORD tsuCE(IORD) tELIGL 5 CE Hold following IORD thCE(IORD) tIGHEH 20 REG Setup before IORD tsuREG(IORD) tRGLIGL 5 REG Hold following IORD thREG(IORD) tIGHRGH 0 INPACK Delay Falling from IORD tdfINPACK(IORD) tIGLIAL 045 INPACK Delay Rising from IORD tdrINPACK(IORD) tIGHIAH 45 IOIS16 Delay Falling from Address tdfIOIS16(ADR) tAVISL 35 IOIS16 Delay Rising from Address tdrIOIS16(ADR) tAVISH 35 Wait Delay Falling from IORD tdWT(IORD) tIGLWTL 35 Data Delay from Wait Rising td(WT) tWTHQV 0 Wait Width Time tw(WT) tWTLWTH 350 (3000 for CF+) Note: Maximum load on WAIT#, INPACK# and I0IS16# is 1 LSTTL with 50pF total load. All times are in nanoseconds. Minimum time from WAIT# high to IORD# high is Onsec, but minimum IORD# width must still be met. Dout signifies data provided by the CompactFlash Storage Card or CF+ Card to the system. Wait Width time meets PCMCIA specification of 12ps but is intentionally less in this spec. I/O Output (Write) Timing Specification Item Symbol IEEE Symbol Min ns. Max ns. Data Setup before IOWR tsu(IOWR) tDVIWH 60 Data Hold following IOWR th(IOWR) tIWHDX 30 IOWR Width Time tw(IOWR) tIWLIWH 165 Address Setup before IOWR tsuA(IOWR) tAVIWL 70 Address Hold following IOWR thA(IOWR) tIWHAX 20 CE Setup before IOWR tsuCE(IOWR) tELIWL 5 CE Hold following IOWR thCE(IOWR) tIWHEH 20 REG Setup before IOWR tsuREG(IOWR) tRGLIWL 5 REG Hold following IOWR thREG(IOWR) tIWHRGH 0 IOIS16 Delay Falling from Address tdfIOIS16(ADR) tAVISL 35 IOIS16 Delay Rising from Address tdrIOIS16(ADR) tAVISH 35 Wait Delay Falling from IOWR tdWT(IOWR) tIWLWTL 35 IOWR high from Wait high tdrIOWR(WT) tWTJIWH 0 Wait Width Time tw(WT) tWTLWTH 350 (3000for CF+) Note: The maximum load on WAIT#, INPACK#, and I0IS16# is 1 LSTTL with 50pF total load. All times are in nanoseconds. Minimum time from WAIT# high to IOWR# high is Onsec, but minimum IOWR# width must still be met. Din signifies data provided by the system to the CompactFlash Storage Card or CF+ Card. The Wait Width time meets the PCMCIA specification of 12ps but is intentionally less in this specification. |
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