74HC191PW,112 NXP Semiconductors, 74HC191PW,112 Datasheet - Page 12
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74HC191PW,112
Manufacturer Part Number
74HC191PW,112
Description
IC 4BIT BINARY UP/DN CNT 16TSSOP
Manufacturer
NXP Semiconductors
Series
74HCr
Datasheet
1.74HC191N652.pdf
(14 pages)
Specifications of 74HC191PW,112
Package / Case
16-TSSOP
Logic Type
Binary Counter
Direction
Up, Down
Number Of Elements
1
Number Of Bits Per Element
4
Timing
Synchronous
Count Rate
39MHz
Trigger Type
Positive Edge
Voltage - Supply
2 V ~ 6 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Mounting Style
SMD/SMT
Dc
11+
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Reset
-
Lead Free Status / RoHS Status
Lead free / RoHS Compliant, Lead free / RoHS Compliant
Other names
74HC191PW
74HC191PW
935188370112
74HC191PW
935188370112
Philips Semiconductors
AC WAVEFORMS
December 1990
Presettable synchronous 4-bit binary
up/down counter
(1) HC : V
Fig.10 Waveforms showing the clock (CP) to output (Q
(1) HC : V
Fig.11 Waveforms showing the clock and count enable inputs (CP, CE) to ripple clock output (RC) propagation
(1) HC : V
HCT : V
HCT : V
HCT : V
maximum clock pulse frequency.
delays.
M
M
M
M
M
M
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
= 50%; V
= 1.3 V; V
I
I
I
Fig.12 Waveforms showing the input (D
I
I
I
= GND to V
= GND to V
= GND to V
= GND to 3 V.
= GND to 3 V.
= GND to 3 V.
CC
CC
CC
.
.
.
12
n
) propagation delays, the clock pulse width and the
n
) to output (Q
n
) propagation delays.
74HC/HCT191
Product specification