74HC390DB NXP Semiconductors, 74HC390DB Datasheet - Page 7
![Counter ICs DUAL DECADE RIPPLE COUNTER](/photos/15/59/155965/soic16_sml.jpg)
74HC390DB
Manufacturer Part Number
74HC390DB
Description
Counter ICs DUAL DECADE RIPPLE COUNTER
Manufacturer
NXP Semiconductors
Datasheet
1.74HC390N652.pdf
(7 pages)
Specifications of 74HC390DB
Counter Type
Decade Counters
Mounting Style
SMD/SMT
Package / Case
SOT-338
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Other names
74HC390DB,112
Philips Semiconductors
AC WAVEFORMS
PACKAGE OUTLINES
See
December 1990
Dual decade ripple counter
(1) HC : V
Fig.6
(1) HC : V
Fig.7
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
HCT : V
HCT : V
Waveforms showing the clock (nCP
transition times and the maximum clock frequency.
Waveforms showing the master reset (nMR) pulse width, the master reset to output (nQ
delays and the master reset to clock (nCP
M
M
M
M
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
CC
CC
.
.
n
) to output (nQ
n
) removal time.
.
7
n
) propagation delays, the clock pulse width, the output
74HC/HCT390
Product specification
n
) propagation