Datasheet 74AC169 (Fairchild) - 4
Fabricante | Fairchild |
Descripción | 4-Stage Synchronous Bidirectional Counter |
Páginas / Página | 8 / 4 — AC Electrical Characteristics. VCC (V). C, CL. 50 pF. C to. 74AC169. … |
Formato / tamaño de archivo | PDF / 114 Kb |
Idioma del documento | Inglés |
AC Electrical Characteristics. VCC (V). C, CL. 50 pF. C to. 74AC169. Symbol. Parameter. (Note 5). Min. Typ. Max. Units. Note 5:

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AC Electrical Characteristics VCC (V) TA
= +
25
°
C, CL
=
50 pF TA
= −
40
°
C to
+
85
°
C, CL
=
50 pF 74AC169 Symbol Parameter (Note 5) Min Typ Max Min Max Units
fMAX Maximum Clock 3.3 75 118 65 MHz Frequency 5.0 100 154 90 tPLH Propagation Delay 3.3 2.5 9.5 13.0 2.0 14.5 ns CP to Qn (PE HIGH or LOW) 5.0 1.5 7.0 10.0 1.5 11.0 tPHL Propagation Delay 3.3 2.5 10.5 14.5 2.0 16.0 ns CP to Qn (PE HIGH or LOW) 5.0 1.5 7.5 11.0 1.5 12.0 tPLH Propagation Delay 3.3 4.5 13.5 18.0 3.5 22.0 ns CP to TC 5.0 3.0 9.5 13.0 2.0 14.0 tPHL Propagation Delay 3.3 3.5 13.5 18.0 3.0 20.5 ns CP to TC 5.0 2.5 9.5 13.0 2.0 14.5 tPLH Propagation Delay 3.3 3.5 11.0 15.0 3.0 16.5 ns CET to TC 5.0 3.0 8.0 10.5 2.5 12.0 tPHL Propagation Delay 3.3 3.0 9.5 12.5 2.5 14.5 ns CET to TC 5.0 2.0 7.0 9.0 1.5 10.0 tPLH Propagation Delay 3.3 3.5 11.0 15.0 3.0 17.0 ns U/D to TC 5.0 2.5 8.0 10.5 2.0 12.0 tPHL Propagation Delay 3.3 2.5 10.0 13.5 2.0 15.5 ns U/D to TC 5.0 1.5 7.0 9.5 1.5 10.5
Note 5:
Voltage Range 3.3 is 3.3V ± 0.3V Voltage Range 5.0 is 5.0V ± 0.5V
AC Operating Requirements VCC (V) TA
= +
25
°
C, CL
=
50 pF TA
= −
40
°
C to
+
85
°
C, CL
=
50 pF Symbol Parameter Units (Note 6) Typ Guaranteed Minimum
tS Setup Time, HIGH or LOW 3.3 3.0 4.5 5.0 ns Pn to CP 5.0 1.5 2.5 2.5 tH Hold Time, HIGH or LOW 3.3 −1.5 0.5 0.5 ns Pn to CP 5.0 −0.5 1.5 1.5 tS Setup Time, HIGH or LOW 3.3 7.5 10.5 12.5 ns CEP to CP 5.0 4.5 7.0 8.0 tH Hold Time, HIGH or LOW 3.3 −4.5 0 0 ns CEP to CP 5.0 −2.0 0.5 1.0 tS Setup Time, HIGH or LOW 3.3 7.0 10.0 12.0 ns CET to CP 5.0 4.0 6.5 8.0 tH Hold Time, HIGH or LOW 3.3 −6.0 0 0 ns CET to CP 5.0 −4.0 0.5 1.0 tS Setup Time, HIGH or LOW 3.3 3.5 5.5 6.5 ns PE to CP 5.0 2.0 3.5 4.0 tH Hold Time, HIGH or LOW 3.3 −3.5 0 0 ns PE to CP 5.0 −1.5 0.5 0.5 tS Setup Time, HIGH or LOW 3.3 7.0 10.0 11.5 ns U/D to CP 5.0 4.5 6.5 7.5 tH Hold Time, HIGH or LOW 3.3 −7.0 0 0 ns U/D to CP 5.0 −4.0 0.5 0.5 tW CP Pulse Width, 3.3 2.0 3.0 4.0 ns HIGH or LOW 5.0 2.0 3.0 3.0
Note 6:
Voltage Range 3.3 is 3.3V ± 0.3V Voltage Range 5.0 is 5.0V ± 0.5V
Capacitance Symbol Parameter Typ Units Conditions
CIN Input Capacitance 4.5 pF VCC = OPEN CPD Power Dissipation Capacitance 60.0 pF VCC = 5.0V www.fairchildsemi.com 4