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74AHCT594 Datasheet PDF : 22 Pages
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NXP Semiconductors
74AHC594; 74AHCT594
8-bit shift register with output register
Table 6. Static characteristics …continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
25 °C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max
Min
Max
II
input leakage VI = 5.5 V or GND;
current
VCC = 0 V to 5.5 V
-
- 0.1
-
1.0
-
2.0 µA
ICC
supply current VI = VCC or GND; IO = 0 A;
-
- 4.0
-
40
-
80 µA
VCC = 5.5 V
CI
input
VI = VCC or GND
capacitance
-
3 10
-
10
-
10 pF
74AHCT594
VIH
HIGH-level VCC = 4.5 V to 5.5 V
input voltage
2.0 -
-
2.0
-
2.0
-
V
VIL
LOW-level VCC = 4.5 V to 5.5 V
input voltage
-
- 0.8
-
0.8
-
0.8 V
VOH
VOL
II
ICC
∆ICC
CI
HIGH-level VI = VIH or VIL
output voltage IO = −50 µA; VCC = 4.5 V
4.4 4.5
-
4.4
IO = −8.0 mA; VCC = 4.5 V 3.94 -
- 3.80
LOW-level
VI = VIH or VIL
output voltage IO = 50 µA; VCC = 4.5 V
-
0 0.1
-
IO = 8 mA; VCC = 4.5 V
-
- 0.36 -
input leakage VI = 5.5 V or GND;
current
VCC = 0 V to 5.5 V
-
- 0.1
-
supply current VI = VCC or GND; IO = 0 A;
VCC = 5.5 V
-
- 4.0
-
additional
per input pin;
-
- 1.35 -
supply current VI = VCC − 2.1 V; other pins
at VCC or GND; IO = 0 A;
VCC = 4.5 V to 5.5 V
input
VI = VCC or GND
capacitance
-
3 10
-
-
-
0.1
0.44
1.0
40
1.5
10
4.4
3.70
-
-
-
-
-
-
-
V
-
V
0.1 V
0.55 V
2.0 µA
80 µA
1.5 mA
10 pF
11. Dynamic characteristics
Table 7. Dynamic characteristics
Voltages are referenced to GND (ground = 0 V); for test circuit see Figure 15.
Symbol Parameter Conditions
25 °C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ[1] Max Min Max
Min
Max
74AHC594
tPLH
LOW to HIGH SHCP to Q7S; see Figure 9
propagation
delay
VCC = 3.0 V to 3.6 V
CL = 15 pF
CL = 50 pF
VCC = 4.5 V to 5.5 V
CL = 15 pF
CL = 50 pF
- 5.2 8.5 2.2
9.7
2.2
10.6 ns
- 7.4 11.5 3.0 13.2
3.0
14.3 ns
- 3.8 6.3 1.7
7.2
1.7
7.8 ns
- 4.8 8.0 2.4
9.1
2.4
10.0 ns
74AHC_AHCT594_2
Product data sheet
Rev. 02 — 9 June 2008
© NXP B.V. 2008. All rights reserved.
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