74LVC594A All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 2 — 21 October 2013 9 of 20
NXP Semiconductors
74LVC594A
8-bit shift register with output register
[1] Typical values are measured at T
amb
=25C and V
CC
= 1.8 V, 2.5 V, 2.7 V, and 3.3 V respectively.
[2] t
pd
is the same as t
PLH
and t
PHL
.
[3] Skew between any two outputs of the same package switching in the same direction. This parameter is guaranteed by design.
[4] C
PD
is used to determine the dynamic power dissipation (P
D
in W).
P
D
=C
PD
V
CC
2
f
i
N+(C
L
V
CC
2
f
o
) where:
f
i
= input frequency in MHz;
f
o
= output frequency in MHz;
C
L
= output load capacitance in pF;
V
CC
= supply voltage in V;
N = number of inputs switching;
(C
L
V
CC
2
f
o
) = sum of outputs.
t
h
hold time DS to SHCP; see Figure 9
V
CC
= 1.65 V to 1.95 V 1.5 0.2 - 2.0 - ns
V
CC
= 2.3 V to 2.7 V 1.5 0.1 - 2.0 - ns
V
CC
= 2.7 V 1.5 0.1 - 2.0 - ns
V
CC
= 3.0 V to 3.6 V 1.0 0.2 - 1.5 - ns
t
rec
recovery time SHR to SHCP, STR to STCP;
see Figure 11
and Figure 12
V
CC
= 1.65 V to 1.95 V 5.0 2.7 - 5.5 - ns
V
CC
= 2.3 V to 2.7 V 4.0 1.5 - 4.5 - ns
V
CC
= 2.7 V 2.0 1.0 - 2.5 - ns
V
CC
= 3.0 V to 3.6 V 2.0 1.0 - 2.5 - ns
f
max
maximum
frequency
SHCP or STCP; see Figure 7
and Figure 8
V
CC
= 1.65 V to 1.95 V 80 130 - 70 - MHz
V
CC
= 2.3 V to 2.7 V 100 140 - 90 - MHz
V
CC
= 2.7 V 110 150 - 100 - MHz
V
CC
= 3.0 V to 3.6 V 130 180 - 115 - MHz
t
sk(o)
output skew time V
CC
= 3.0 V to 3.6 V
[3]
--1.0- 1.5ns
C
PD
power dissipation
capacitance
V
I
= GND to V
CC
[4]
V
CC
= 1.65 V to 1.95 V - 50 - - - pF
V
CC
= 2.3 V to 2.7 V - 45 - - - pF
V
CC
= 3.0 V to 3.6 V - 44 - - - pF
Table 7. Dynamic characteristics …continued
Voltages are referenced to GND (ground = 0 V). For test circuit see Figure 13.
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Typ
[1]
Max Min Max
