74HC40103DB Datasheet, PDF (4/25 Pages) NXP Semiconductors – 8-bit synchronous binary down counter

Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
Fig 3. IEC logic symbol
CTR8
2 _{CT = 255}
9 _{C3 / G4}
15 _G2
3 _EN1
1 _{1, 2, 4-}
2C3
40
5
6
7
10
3CT
11
1CT = 0 ¹⁴
12
13
7
001aab922
CP
MR
TE
PE
PL
P0
P1
P2
P3
P4
P5
P6
P7
TC
count
255 254 3 2 1 0 255 254 254 253 8
7 6 5 4 255 254 253 252
001aab925
Fig 4. Timing diagram
9397 750 13812
Product data sheet
Rev. 03 — 12 November 2004
© Koninklijke Philips Electronics N.V. 2004. All rights reserved.
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