74hc590bq NXP Semiconductors, 74hc590bq Datasheet - Page 16

• Manufacturer Part Number: 74hc590bq
• Description: 74hc590 8-bit Binary Counter With Output Register; 3-state
• Manufacturer: NXP Semiconductors

Philips Semiconductors
Table 8:
GND = 0 V; t
[1]
[2]
12. Waveforms
9397 750 14691
Product data sheet
Symbol
t
t
f
h
rem
max
C
P
f
f
C
V
N = number of inputs switching;
The condition is V
i
o
D
CC
PD
= input frequency in MHz;
L
= output frequency in MHz;
(C
= output load capacitance in pF;
= C
is used to determine the dynamic power dissipation (P
= supply voltage in V;
L
PD
V
Dynamic characteristics
r
Parameter
hold time CE to CPC
removal time MRC to CPC see
maximum clock pulse
frequency CPC or CPR
CC
= t
V
2
CC
f
= 6 ns; C
f
2
o
) = sum of outputs.
I
= GND to V
f
i
N + (C
Fig 8. Waveforms showing the propagation delays from the counter clock input (CPC) to
L
= 50 pF; unless otherwise specified; see
CC
L
.
Measurement points: V
V
ripple carry (RCO) output and the CPC pulse width
V
OL
CC
…continued
2
and V
f
Conditions
see
V
V
V
V
V
V
see
V
V
V
o
) where:
CC
CC
CC
CC
CC
CC
CC
CC
CC
OH
RCO output
Figure 12
Figure 10
Figure 8
CPC input
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
= 2.0 V
= 4.5 V
= 6.0 V
are the typical output voltage drop that occur with the output load.
Rev. 01 — 30 March 2005
and
M
GND
V
V
D
OH
= 0.5
OL
V
in W):
I
Figure 9
V
I
.
V
8-bit binary counter with output register; 3-state
t
M
PHL
Figure
t
W
1/f
max
14.
t
Min
0
0
0
110
22
19
4.4
22
26
PLH
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
V
M
001aac550
Typ
-
-
-
-
-
-
-
-
-
74HC590
Max
-
-
-
-
-
-
-
-
-
Unit
ns
ns
ns
ns
ns
ns
MHz
MHz
MHz
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