Datasheet

9397 750 13812 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet Rev. 03 — 12 November 2004 4 of 25
Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
Fig 3. IEC logic symbol
Fig 4. Timing diagram
001aab922
2
CT = 255
9
C3 / G4
15
G2
3
EN1
1
1, 2, 4-
2C3
14
0
7
13
12
11
10
7
3CT
1CT = 0
6
5
4
CTR8
001aab925
CP
MR
TE
PE
PL
P0
P1
P2
P3
P4
P5
P6
P7
TC
count 255 254 32102552542542538 7654255254253252