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PC97307 Scheda tecnica(PDF) 204 Page - National Semiconductor (TI)

[Old version datasheet] Texas Instruments acquired National semiconductor.
Il numero della parte PC97307
Spiegazioni elettronici  PC87307/PC97307 Plug and Play Compatible and PC97 Compliant SuperI/O
PDF  218 Pages
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Produttore elettronici  NSC [National Semiconductor (TI)]
Homepage  http://www.national.com
Logo NSC - National Semiconductor (TI)

PC97307 Scheda tecnica(HTML) 204 Page - National Semiconductor (TI)

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Device Description
www.national.com
13.3.12 Reset Timing
TABLE 13-47. Reset Timing
Note:
In PC-AT mode, the DRQ and IRQ signals of the FDC are in TRI-STATE after time tSRC.
FIGURE 13-17. Reset Timing
13.3.13 Write Data Timing
TABLE 13-48. Write Data Timing
TABLE 13-49. Write Data Timing – Minimum tWDW Values
FIGURE 13-18. Write Data Timing
a. The software reset pulse width is 100 nsec.
b. Not tested. Guaranteed by design.
a. Not tested. Guaranteed by design.
a. tICP is the internal clock period defined in Table 13-36.
Symbol
Parameter
Min
Max
Unit
tRW
Reset Width a
100
µsec
tSRC
Reset to Control Inactive b
300
nsec
Symbol
Parameter
Min
Max
Unit
tHDH
HDSEL Hold from WGATE Inactivea
750
µsec
tHDS
HDSEL Setup to WGATE Activea
100
µsec
tWDW
Write Data Pulse Width
Table 13-49
Data Rate
tDRP
tWDW
tWDW Value
Unit
1 Mbps
1000
2 x tICP
a
250
nsec
500 Kbps
2000
2 x tICP
a
250
nsec
300 Kbps
3333
2 x tICP
a
375
nsec
250 Kbps
4000
2 x tICP
a
500
nsec
tRW
tSRC
MR
DRQ,
INT,
WGATE (Note)
tHDS
tHDH
tWDW
HDSEL
WGATE
WDATA



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