TNETV2840ENGGU datasheet(71/91 Pages) TI1

71 / 91 page

Electrical Specifications

December 1999 − Revised October 2008

SPRS122F

5.7

External Flag (x_XF), Timer (x_TOUT), and Watchdog Timer Output (x_WTOUT)

Timings

Table 5−6 assumes testing over recommended operating conditions and H = 0.5tc(CO) (see Figure 5−6,

Figure 5−7, and Figure 5−8).

Table 5−6. External Flag (x_XF), Timer (x_TOUT), and Watchdog Timer Output (x_WTOUT)

Switching Characteristics

PARAMETER

MIN

MAX

UNIT

td(XF)

Delay time, CLKOUT high to x_XF high

− 1

td(XF)

Delay time, CLKOUT high to x_XF low

− 1

td(TOUTH) Delay time, CLKOUT high to x_TOUT high

− 1

td(TOUTL)

Delay time, CLKOUT high to x_TOUT low

− 1

tw(TOUT)

Pulse duration, x_TOUT

2H −8

td(WTOUTH) Delay time, CLKOUT high to x_WTOUT high

− 1

td(WTOUTL) Delay time, CLKOUT high to x_WTOUT low

− 1

tw(WTOUT) Pulse duration, x_WTOUT

2H − 8

x_XF

CLKOUT

td(XF)

Figure 5−6. External Flag (x_XF) Timing

x_TOUT

CLKOUT

tw(TOUT)

td(TOUTL)

td(TOUTH)

Figure 5−7. Timer (x_TOUT) Timing

x_WTOUT

CLKOUT

tw(WTOUT)

td(WTOUTL)

td(WTOUTH)

Figure 5−8. Watchdog Timer (x_WTOUT) Timing

TNETV2840ENGGU Datasheet(PDF) 71 Page - Texas Instruments

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