74HC191D NXP Semiconductors, 74HC191D Datasheet - Page 13
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74HC191D
Manufacturer Part Number
74HC191D
Description
IC, 74HC CMOS, SMD, 74HC191, SOIC16
Manufacturer
NXP Semiconductors
Datasheet
1.74HC191D.pdf
(14 pages)
Specifications of 74HC191D
Counter Type
Binary
Clock Frequency
39MHz
Count Maximum
15
Supply Voltage Range
2V To 6V
Logic Case Style
SOIC
No. Of Pins
16
Operating Temperature Range
-40°C To +125°C
Svhc
No SVHC
Base Number
74
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Part Number:
74HC191D,653
Manufacturer:
NEXPERIA/安世
Quantity:
20 000
Philips Semiconductors
December 1990
Presettable synchronous 4-bit binary
up/down counter
(1) HC : V
Fig.14 Waveforms showing the up/down count input (U/D) to terminal count and ripple clock output (TC, RC)
(1) HC : V
Fig.15 Waveforms showing the parallel load input (PL) pulse width, removal time to clock (CP) and the output
(1) HC : V
HCT : V
HCT : V
HCT : V
propagation delays.
(Q
M
M
M
M
n
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
M
M
) transition times.
= 50%; V
= 1.3 V; V
Fig.13 Waveforms showing the input (PL) to output (Q
I
I
I
I
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
I
I
= GND to V
= GND to 3 V.
CC
CC
CC
.
.
.
13
n
) propagation delays.
74HC/HCT191
Product specification