74HC590 Datasheet, PDF (9/21 Pages) NXP Semiconductors – 8-bit binary counter with output register; 3-state

NXP Semiconductors
74HC590
8-bit binary counter with output register; 3-state
10. Dynamic characteristics
Table 7. Dynamic characteristics
GND (ground = 0 V); for test circuit see Figure 15.
Symbol Parameter Conditions
t_pd
propagation CPC to RCO; see Figure 9
delay
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
CPR to Qn; see Figure 10
25 °C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min Typ Max Min Max
Min
Max
[1]
- 52 150 -
190
-
230 ns
- 19 30
-
38
-
45 ns
- 15 26
-
33
-
40 ns
V_CC = 2.0 V
- 50 140 -
175
-
210 ns
V_CC = 4.5 V
- 17 28
-
35
-
42 ns
V_CC = 6.0 V
- 14 24
-
30
-
36 ns
t_PLH
LOW to HIGH MRC to RCO; see Figure 11
propagation
delay
V_CC = 2.0 V
V_CC = 4.5 V
- 53 130 -
165
-
- 18 26
-
33
-
200 ns
40 ns
V_CC = 6.0 V
- 14 22
-
28
-
34 ns
t_en
enable time OE to Qn; see Figure 12
[2]
V_CC = 2.0 V
- 28 105 -
130
-
160 ns
V_CC = 4.5 V
- 13 21
-
26
-
32 ns
V_CC = 6.0 V
- 11 18
-
22
-
27 ns
t_dis
disable time OE to Qn; see Figure 12
[3]
V_CC = 2.0 V
- 28 105 -
130
-
160 ns
V_CC = 4.5 V
- 13 21
-
26
-
32 ns
V_CC = 6.0 V
- 11 18
-
22
-
27 ns
t_W
pulse width CPC and CPR; HIGH or
LOW; see Figure 9 and
Figure 10
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
MRC; LOW; see Figure 11
100 24 - 125
-
145
- ns
20 9 -
25
-
29
- ns
17 8 -
21
-
25
- ns
V_CC = 2.0 V
75 28 -
95
-
110
- ns
V_CC = 4.5 V
15 8 -
19
-
22
- ns
V_CC = 6.0 V
13 6 -
16
-
19
- ns
t_su
set-up time CPC to CPR; see Figure 14
V_CC = 2.0 V
100 46 - 125
-
150
- ns
V_CC = 4.5 V
20 14 -
25
-
30
- ns
V_CC = 6.0 V
17 10 -
21
-
26
- ns
CE to CPC; see Figure 13
V_CC = 2.0 V
V_CC = 4.5 V
V_CC = 6.0 V
100 44 - 125
-
150
- ns
20 11 -
25
-
30
- ns
17 9 -
21
-
26
- ns
74HC590_2
Product data sheet
Rev. 02 — 28 April 2009
© NXP B.V. 2009. All rights reserved.
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