Datasheet

9397 750 13812 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet Rev. 03 — 12 November 2004 12 of 25
Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
f
max
maximum clock frequency see Figure 7
V
CC
= 2.0 V 3.0 10 - MHz
V
CC
= 4.5 V 15 29 - MHz
V
CC
= 6.0 V 18 35 - MHz
V
CC
= 5.0 V; C
L
= 15 pF - 32 - MHz
C
PD
power dissipation capacitance V
I
= GND to V
CC
[1]
-24-pF
T
amb
= −40 °C to +85 °C
t
PHL
, t
PLH
propagation delay CP to TC see Figure 7
V
CC
= 2.0 V - - 375 ns
V
CC
= 4.5 V - - 75 ns
V
CC
= 6.0 V - - 64 ns
propagation delay
TE to TC see Figure 8
V
CC
= 2.0 V - - 220 ns
V
CC
= 4.5 V - - 44 ns
V
CC
= 6.0 V - - 37 ns
propagation delay
PL to TC see Figure 9
V
CC
= 2.0 V - - 395 ns
V
CC
= 4.5 V - - 79 ns
V
CC
= 6.0 V - - 40 ns
t
PHL
propagation delay MR to TC see Figure 9
V
CC
= 2.0 V - - 345 ns
V
CC
= 4.5 V - - 69 ns
V
CC
= 6.0 V - - 59 ns
t
THL
, t
TLH
output transition time see Figure 8
V
CC
= 2.0 V - - 95 ns
V
CC
= 4.5 V - - 19 ns
V
CC
= 6.0 V - - 16 ns
t
W
CP clock pulse width HIGH or
LOW
see Figure 7
V
CC
= 2.0 V 205 - - ns
V
CC
= 4.5 V 41 - - ns
V
CC
= 6.0 V 35 - - ns
MR master reset pulse width
LOW
see Figure 9
V
CC
= 2.0 V 155 - - ns
V
CC
= 4.5 V 31 - - ns
V
CC
= 6.0 V 26 - - ns
PL preset enable pulse width
LOW
see Figure 9
V
CC
= 2.0 V 155 - - ns
V
CC
= 4.5 V 31 - - ns
V
CC
= 6.0 V 26 - - 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