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74AHC594 Datasheet PDF : 29 Pages
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Philips Semiconductors
74AHC594; 74AHCT594
8-bit shift register with output register
Table 9. Dynamic characteristics type 74AHCT594 …continued
GND = 0 V; tr = tf ≤ 3.0 ns; VCC = 4.5 V to 5.5 V; see Figure 15
Symbol Parameter
Test conditions
tsu
set-up time
DS to SHCP
CL = 50 pF; see Figure 11
set-up time
SHR to STCP
CL = 50 pF; see Figure 12
set-up time
SHCP to STCP
CL = 50 pF; see Figure 10
th
hold time DS to SHCP see Figure 11
trec
recovery time
SHR to SHCP
CL = 50 pF; see Figure 13
recovery time
STR to STCP
CL = 50 pF; see Figure 14
fmax
maximum frequency CL = 50 pF; see Figure 9 and
SHCP or STCP
Figure 10
CPD
power dissipation
capacitance
Tamb = −40 °C to +85 °C
tPLH
LOW-to-HIGH
propagation delay
SHCP to Q7S
tPHL
HIGH-to-LOW
propagation delay
SHCP to Q7S
tPLH
LOW-to-HIGH
propagation delay
STCP to Qn
tPHL
HIGH-to-LOW
propagation delay
STCP to Qn
tPHL
HIGH-to-LOW
propagation delay
SHR to Q7S
HIGH-to-LOW
propagation delay
STR to Qn
tW
pulse width HIGH or
LOW SHCP and STCP
VI = GND to VCC; VCC = 5 V;
CL = 50 pF; fi = 1 MHz
see Figure 9
CL = 15 pF
CL = 50 pF
see Figure 9
CL = 15 pF
CL = 50 pF
see Figure 10
CL = 15 pF
CL = 50 pF
see Figure 10
CL = 15 pF
CL = 50 pF
see Figure 13
CL = 15 pF
CL = 50 pF
see Figure 14
CL = 15 pF
CL = 50 pF
CL = 50 pF; see Figure 9 and
Figure 10
pulse width HIGH or
LOW SHR and STR
CL = 50 pF; see Figure 13 and
Figure 14
Min
Typ
Max
Unit
3.0
-
-
ns
5.0
-
-
ns
5.0
-
-
ns
2.0
-
-
ns
2.9
-
-
ns
3.4
-
-
ns
90
160
-
MHz
[2] -
55
-
pF
1.7
-
2.2
-
1.8
-
2.4
-
1.8
-
2.6
-
1.9
-
2.6
-
2.4
-
2.7
-
2.3
-
3.1
-
6.0
-
5.5
-
7.2
ns
9.1
ns
7.6
ns
10.1
ns
6.5
ns
8.8
ns
6.9
ns
9.7
ns
8.0
ns
10.1
ns
8.4
ns
10.7
ns
-
ns
-
ns
74AHC_AHCT594_1
Product data sheet
Rev. 01 — 4 July 2006
© Koninklijke Philips Electronics N.V. 2006. All rights reserved.
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