74HC4040 Datasheet, PDF (14/24 Pages) NXP Semiconductors – 12-stage binary ripple counter

Philips Semiconductors
74HC4040; 74HCT4040
12-stage binary ripple counter
Table 10: Dynamic characteristics for type 74HCT4040
GND = 0 V; t_r = t_f = 6 ns. For test circuit see Figure 9.
Symbol
Parameter
Conditions
T_amb = 25 °C
t_PHL, t_PLH propagation delay CP to Q0
propagation delay Qn to Qn+1
see Figure 8
V_CC = 4.5 V; C_L = 50 pF
V_CC = 5.0 V; C_L = 15 pF
see Figure 8
V_CC = 4.5 V; C_L = 50 pF
V_CC = 5.0 V; C_L = 15 pF
t_PHL
propagation delay MR to Qn
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_THL, t_TLH
output transition time
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_W
clock pulse width HIGH or LOW V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
master reset pulse width; HIGH V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_rec
recovery time MR to CP
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
f_max
maximum operating frequency see Figure 8
V_CC = 4.5 V; C_L = 50 pF
V_CC = 5.0 V; C_L = 15 pF
C_PD
power dissipation capacitance
per package
T_amb = −40 °C to +85 °C
t_PHL, t_PLH propagation delay CP to Q0
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
propagation delay Qn to Qn+1
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_PHL
propagation delay MR to Qn
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_THL, t_TLH
output transition time
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_W
clock pulse width HIGH or LOW V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
master reset pulse width; HIGH V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
t_rec
recovery time MR to CP
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
f_max
maximum operating frequency V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
T_amb = −40 °C to +125 °C
t_PHL, t_PLH propagation delay CP to Q0
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8;
propagation delay Qn to Qn+1
V_CC = 4.5 V; C_L = 50 pF;
see Figure 8
74HC_HCT4040_3
Product data sheet
Rev. 03 — 14 September 2005
Min Typ Max Unit
-
19
40
ns
-
16
-
ns
-
10
20
ns
-
8
-
ns
-
23
45
ns
-
7
15
ns
16
7
-
ns
16
6
-
ns
10
2
-
ns
30
72
-
-
79
-
[1] _-
20
-
MHz
MHz
pF
-
-
-
-
-
-
-
-
20
-
20
-
13
-
24
-
50
ns
25
ns
56
ns
19
ns
-
ns
-
ns
-
ns
-
MHz
-
-
60
ns
-
-
30
ns
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.
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