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N74F640N-PHI N74F640N-PHI N74F640NPHI Datasheet
These products are not designed for use in life support appliances, devices or systems where malfunction of these products can be reasonably expected to result in personal injury. Philips customers using or selling these products for use in such applications do so at their own risk and agree to fully indemnify Philips for any damages resulting from such improper use or sale.
N74F640N-PHI N74F640N-PHI N74F640NPHI Price

D3 D2 D1 DO Clock Output Remarks
× 0 0 0 "Z" High impedance
× 0 O 1 16.384kHz duty 50%
× 0 1 0 1.024kHz duty 50%
× 0 1 1 128Hz duty 50%
× 1 0 0 16Hz duty 50%
× 1 0 1 1Hz duty 50% IWhen the second counter counts up.
× 1 1 0 1/60Hz duty 50% IWhen the second counter counts up.
× 1 1 1 "L


N74F640N-PHI N74F640N-PHI N74F640NPHI on stock

UNIT A Ai min. A3 A4 max. bp b1 DO) EO) e eD eE HD HE k j Lp V W y ZDO) max ZEO) m ax. p
4 57 419 0 13 0 25 3 05 0 53 0 33 0 81 0 66 29 41 29 21 29 41 29 21 1 27 28 70 27 69 28 70 27 69 30 35 30 10 30 35 30 10 1 22 1 07 15 34 15 19 1 44 1 02 0 18 0 18 0 10 2 06 2 06 450
0 180 0 165 0 005 0 01 0 12 0 021 0 013 0 032 0 026 1 158 1 150 1 158 1 150 0 05 1 130 1 090 1 1 30 1 090 1 195 1 185 1 195 1 185 0 048 0 042 0 057 0 040 0 057 0 040 0 007 0 007 0 004 0 081 0 081


Pin Descriptions
EL5485C 16-Pin SO EL5486C 24-Pin QSOP Pin Name Function Equivalent Circuit
I l INA- Negative input, channel A IN- IN+ - is - Circuit 1
2 2 INA+ Positive input, channel A (Reference circuit l)
3,10.15.22 NC Not Connected
3 4 GND Digital ground
5 LATCHA Latch input, channel A LATCH/ _ c
4 6 OUTA Output, channel A VSD I!} CirCUit 3
5 7 OUTB Output, channel B (Reference circuit 3)
8 LATCHB Latch input, channel B (Reference circuit 2)
6 9 VS- Negative supply vokage
7 11 INB+ Positive input, channel B (Reference circuit l)
8 12 INB- Negative input, channel B (Reference circuit l)
9 13 INC- Negative input, channel C (Reference circuit l)
10 14 INC+ Positive input, channel C (Reference circuit l)
ll 16 VSD Digital supply voltage
17 LATCHC Latch input, channel C (Reference circuit 2)
12 1 8 OUTC Output, channel C (Reference circuit 3)
13 19 OUTD Output, channel D (Reference circuit 3)
20 LATCHD Latch input, channel D (Reference circuit 2)