Datasheet

9397 750 13812 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet Rev. 03 — 12 November 2004 14 of 25
Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
T
amb
= −40 °C to +125 °C
t
PHL
/t
PLH
propagation delay CP to TC see Figure 7
V
CC
= 2.0 V - - 450 ns
V
CC
= 4.5 V - - 90 ns
V
CC
= 6.0 V - - 77 ns
propagation delay
TE to TC see Figure 8
V
CC
= 2.0 V - - 265 ns
V
CC
= 4.5 V - - 53 ns
V
CC
= 6.0 V - - 45 ns
propagation delay
PL to TC see Figure 9
V
CC
= 2.0 V - - 475 ns
V
CC
= 4.5 V - - 95 ns
V
CC
= 6.0 V - - 81 ns
t
PHL
propagation delay MR to TC see Figure 9
V
CC
= 2.0 V - - 415 ns
V
CC
= 4.5 V - - 83 ns
V
CC
= 6.0 V - - 71 ns
t
THL
/t
TLH
output transition time see Figure 8
V
CC
= 2.0 V - - 110 ns
V
CC
= 4.5 V - - 22 ns
V
CC
= 6.0 V - - 19 ns
t
W
CP clock pulse width HIGH or
LOW
see Figure 7
V
CC
= 2.0 V 250 - - ns
V
CC
= 4.5 V 50 - - ns
V
CC
= 6.0 V 43 - - ns
MR master reset pulse width
LOW
see Figure 9
V
CC
= 2.0 V 190 - - ns
V
CC
= 4.5 V 38 - - ns
V
CC
= 6.0 V 32 - - ns
PL preset enable pulse width
LOW
see Figure 9
V
CC
= 2.0 V 190 - - ns
V
CC
= 4.5 V 38 - - ns
V
CC
= 6.0 V 32 - - ns
t
rem
removal time MR to CP, PL to CP see Figure 10
V
CC
= 2.0 V 75 - - ns
V
CC
= 4.5 V 15 - - ns
V
CC
= 6.0 V 13 - - ns
Table 8: Dynamic characteristics
…continued
GND = 0 V; t
r
=t
f
= 6 ns; C
L
= 50 pF; see Figure 13.
Symbol Parameter Conditions Min Typ Max Unit