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74HC40103N,652

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25
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
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9397 750 13812 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet Rev. 03 — 12 November 2004 5 of 25
Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
Fig 5. Logic diagram
001aab924
TE
to other 7
flip-flops
FF
1
MR
J
P0
J
Q
CP
PL
PE
PE PL CP MR
TE
FF
2
MR
J
P1
J
Q
CP
PL
PE
TE
FF
3
MR
J
P2
J
Q
CP
PL
PE
TE
FF
4
MR
J
P3
J
Q
CP
TE
PL
PE
TE
FF
5
MR
J
P4
J
Q
CP
PL
PE
TE
FF
6
MR
J
P5
J
Q
CP
PL
PE
TE
FF
7
MR
J
P6
J
Q
CP
PL
PE
TE
FF
8
MR
J
P7
TC
J
Q
CP
PL
PE
9397 750 13812 © Koninklijke Philips Electronics N.V. 2004. All rights reserved.
Product data sheet Rev. 03 — 12 November 2004 6 of 25
Philips Semiconductors
74HC40103
8-bit synchronous binary down counter
7. Pinning information
7.1 Pinning
7.2 Pin description
Fig 6. Pin configuration
40103
CP V
CC
MR PE
TE TC
P0 P7
P1 P6
P2 P5
P3 P4
GND PL
001aab920
1
2
3
4
5
6
7
8
10
9
12
11
14
13
16
15
Table 3: Pin description
Symbol Pin Description
CP 1 clock input (LOW-to-HIGH, edge-triggered)
MR 2 asynchronous master reset input (active LOW)
TE 3 terminal enable input (active LOW)
P0 4 jam input 0
P1 5 jam input 1
P2 6 jam input 2
P3 7 jam input 3
GND 8 ground (0 V)
PL 9 asynchronous preset enable input (active LOW)
P4 10 jam input 4
P5 11 jam input 5
P5 12 jam input 6
P7 13 jam input 7
TC 14 terminal count output (active LOW)
PE 15 synchronous preset enable input (active LOW)
V
CC
16 positive supply voltage
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P18P19-P21P22-P24P25-P25

74HC40103N,652

Mfr. #:
Buy 74HC40103N,652
Manufacturer:
NXP Semiconductors
Description:
Counter ICs 8BIT BIN DWN COUNTER SYNCHRONOUS
Lifecycle:
New from this manufacturer.
Delivery:
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