74HCT4520DB-T NXP Semiconductors, 74HCT4520DB-T Datasheet - Page 7

• Manufacturer Part Number: 74HCT4520DB-T
• Description: Counter ICs DUAL 4-BIT SYNC BINARY COUNTER
• Manufacturer: NXP Semiconductors

Specifications of 74HCT4520DB-T

• Counter Type: Binary Counters
• Mounting Style: SMD/SMT
• Package / Case: SOT-338
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 74HCT4520DB,118

Philips Semiconductors
AC WAVEFORMS
PACKAGE OUTLINES
See
December 1990
Dual 4-bit synchronous binary counter
Conditions:
nCP
and t
HIGH-to-LOW transition.
(1) HC : V
Fig.7
(1) HC : V
Fig.8
(1) HC : V
“74HC/HCT/HCU/HCMOS Logic Package Outlines”
1
HCT: V
HCT: V
HCT: V
rem
= HIGH while nCP
also apply when nCP
Waveforms showing removal time for nMR; minimum nCP
pulse frequency.
Waveforms showing set-up times for nCP
transition times.
M
M
M
M
M
M
= 50%; V
= 50%; V
= 50%; V
= 1.3 V; V
= 1.3 V; V
= 1.3 V; V
I
I
I
I
I
I
0
= GND to V
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
= GND to 3 V.
is triggered on a LOW-to-HIGH transition; t
Fig.9 Waveforms showing propagation delay from nMR to nQ
0
= LOW and nCP
CC.
CC.
CC.
1
is triggered on a
0
to nCP
W
.
7
1
and nCP
0
, nCP
1
to nCP
1
, nMR pulse widths and maximum clock
0
, propagation delays and output
n
output.
74HC/HCT4520
Product specification