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74AHC374 Datasheet(PDF) 3 Page - NXP Semiconductors

Part No. 74AHC374
Description  Octal D-type flip-flop; positive edge-trigger; 3-state
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Manufacturer  PHILIPS [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo PHILIPS - NXP Semiconductors

74AHC374 Datasheet(HTML) 3 Page - NXP Semiconductors

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1999 Sep 28
3
Philips Semiconductors
Product specification
Octal D-type flip-flop; positive edge-trigger; 3-state
74AHC374;
74AHCT374
FUNCTION TABLE
See note 1.
Note
1. H = HIGH voltage level;
h = HIGH voltage level one set-up time prior to the LOW-to-HIGH CP transition;
L = LOW voltage level;
I = LOW voltage level one set-up time prior to the LOW-to-HIGH CP transition;
X = don’t care;
Z = high-impedance OFF-state;
↑ = LOW-to-HIGH CP transition.
ORDERING INFORMATION
PINNING
OPERATING MODES
INPUTS
INTERNAL
FLIP-FLOPS
OUTPUTS
OE
CP
Dn
Q0 to Q7
Load and read register
L
IL
L
L
hH
H
Load register and
disable outputs
H
lL
Z
H
hH
Z
OUTSIDE NORTH
AMERICA
NORTH AMERICA
PACKAGES
PINS
PACKAGE
MATERIAL
CODE
74AHC374D
74AHC374D
20
SO
plastic
SOT163-1
74AHC374PW
74AHC374PW DH
20
TSSOP
plastic
SOT360-1
74AHCT374D
74AHCT374D
20
SO
plastic
SOT163-1
74AHCT374PW
7AHCT374PW DH
20
TSSOP
plastic
SOT360-1
PIN
SYMBOL
DESCRIPTION
1
OE
3-state output enable input (active LOW)
2, 5, 6, 9, 12, 15,
16 and 19
Q0 to Q7
3-state flip-flop outputs
3, 4, 7, 8, 13, 14,
17 and 18
D0 to D7
data inputs
10
GND
ground (0 V)
11
CP
clock input (LOW-to-HIGH, edge triggered)
20
VCC
DC supply voltage


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