74HC590 Datasheet, PDF (11/21 Pages) NXP Semiconductors – 8-bit binary counter with output register; 3-state

NXP Semiconductors
11. Waveforms
74HC590
8-bit binary counter with output register; 3-state
V_I
CPC input
GND
V_OH
RCO output
V_OL
1/f_max
V_M
t_W
t_PHL
t_PLH
V_M
001aac550
Fig 9.
Measurement points are given in Table 8.
V_OL and V_OH are the typical output voltage levels that occur with the output load.
Waveforms showing the propagation delays from the counter clock input (CPC) to ripple carry (RCO)
output and the CPC pulse width
Table 8. Measurement points
Type
Input
V_I
74HC590
V_CC
V_M
0.5V_CC
Output
V_M
0.5V_CC
V_I
CPR input
GND
V_OH
Qn output
V_OL
1/f_max
V_M
t_W
t_PLH
t_PHL
V_M
001aac549
Measurement points are given in Table 8.
V_OL and V_OH are the typical output voltage levels that occur with the output load.
Fig 10. Waveforms showing the propagation delays from the register clock input (CPR) to output (Qn) and the
register clock pulse width
74HC590_2
Product data sheet
Rev. 02 — 28 April 2009
© NXP B.V. 2009. All rights reserved.
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