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74HC594 Datasheet, PDF (6/10 Pages) NXP Semiconductors – 8-bit shift register with output register | |||
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Philips Semiconductors
8-bit shift register with output register
Product speciï¬cation
74HC/HCT594
DC CHARACTERISTICS FOR 74HC
For the DC characteristics, see â74HC/HCT/HCU/HCMOS Logic Family Specificationsâ.
Output capability: parallel outputs, bus driver; serial output, standard.
ICC category: MSI.
AC CHARACTERISTICS FOR 74HC
GND = 0 V; tr = tf = 6 ns; CL = 50 pF.
Tamb (°C)
TEST CONDITIONS
SYMBOL
PARAMETER
+25
â40 to +85 â40 to +125 UNIT VCC
min. typ. max. min. max. min. max.
(V)
WAVEFORMS
tPHL/tPLH propagation delay
SHCP to Q7â
â 44 150 â 185 â 225 ns
â 16 30 â 37 â 45 ns
â 14 26 â 31 â 38 ns
propagation delay
STCP to Qn
â 44 150 â 185 â 225 ns
â 16 30 â 37 â 45 ns
â 14 26 â 31 â 38 ns
tPHL
propagation delay
â 39 150 â 185 â 225 ns
SHR to Q7â
â 14 30 â 37 â 45 ns
â 12 26 â 31 â 38 ns
propagation delay
STR to Qn
â 39 125 â 155 â 185 ns
â 14 25 â 31 â 37 ns
â 12 21 â 26 â 31 ns
tW
shift clock pulse width 80 10 â 100 â
120 â
ns
HIGH or LOW
16 4 â 20 â
24 â
ns
14 3 â 17 â
20 â
ns
storage clock pulse 80 10 â
width HIGH or LOW 16 4 â
14 3 â
100 â
20 â
17 â
120 â
ns
24 â
ns
20 â
ns
shift and storage reset 80 14 â
pulse width HIGH or 16 5 â
LOW
14 4 â
100 â
20 â
17 â
120 â
ns
24 â
ns
20 â
ns
tsu
set-up time
Ds to SHCP
100 10 â
20 4 â
17 3 â
125 â
25 â
21 â
150 â
ns
30 â
ns
26 â
ns
set-up time
SHR to STCP
100 14 â
20 5 â
17 4 â
125 â
25 â
21 â
150 â
ns
30 â
ns
26 â
ns
set-up time
SHCP to STCP
100 17 â
20 6 â
17 5 â
125 â
25 â
21 â
150 â
ns
30 â
ns
26 â
ns
2.0 Fig.7
4.5
6.0
2.0 Fig.8
4.5
6.0
2.0 Fig.11
4.5
6.0
2.0 Fig.12
4.5
6.0
2.0 Fig.7
4.5
6.0
2.0 Fig.8
4.5
6.0
2.0 Fig.11 and Fig.12
4.5
6.0
2.0 Fig.9
4.5
6.0
2.0 Fig.10
4.5
6.0
2.0 Fig.8
4.5
6.0
December 1991
6
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