MC74HC374A_14 Datasheet, PDF (1/7 Pages) ON Semiconductor – Octal 3-State Non-Inverting D Flip-Flop

MC74HC374A
Octal 3-State Non-Inverting
D Flip-Flop
High−Performance Silicon−Gate CMOS
The MC74HC374A is identical in pinout to the LS374. The device
inputs are compatible with standard CMOS outputs; with pullup
resistors, they are compatible with LSTTL outputs.
Data meeting the setup time is clocked to the outputs with the rising
edge of the clock. The Output Enable input does not affect the states of
the flip−flops, but when Output Enable is high, the outputs are forced
to the high−impedance state; thus, data may be stored even when the
outputs are not enabled.
The HC374A is identical in function to the HC574A which has the
input pins on the opposite side of the package from the output. This
device is similar in function to the HC534A which has inverting
outputs.
Features
• Output Drive Capability: 15 LSTTL Loads
• Outputs Directly Interface to CMOS, NMOS, and TTL
• Operating Voltage Range: 2.0 to 6.0 V
• Low Input Current: 1.0 mA
• High Noise Immunity Characteristic of CMOS Devices
• In Compliance with the Requirements Defined by JEDEC Standard
No. 7 A
• Chip Complexity: 266 FETs or 66.5 Equivalent Gates
• NLV Prefix for Automotive and Other Applications Requiring
Unique Site and Control Change Requirements; AEC−Q100
Qualified and PPAP Capable
• These Devices are Pb−Free and are RoHS Compliant
LOGIC DIAGRAM
DATA
INPUTS
D0 ³
D1 ⁴
D2 ⁷
D3 ⁸
D4 ¹³
D5 ¹⁴
D6 ¹⁷
D7 ¹⁸
CLOCK ¹¹
2 _Q0
5 _Q1
6 _Q2
9 _Q3
12 _Q4
15 _Q5
16 _Q6
19 _Q7
NONINVERTING
OUTPUTS
OUTPUT ENABLE ¹
PIN 20 = V_CC
PIN 10 = GND
© Semiconductor Components Industries, LLC, 2014
1
August, 2014 − Rev. 14
http://onsemi.com
SOIC−20
DW SUFFIX
CASE 751D
TSSOP−20
DT SUFFIX
CASE 948E
PIN ASSIGNMENT
OUTPUT
ENABLE 1
Q0 2
D0 3
D1 4
Q1 5
Q2 6
D2 7
D3 ⁸
Q3 9
GND 10
20 VCC
19 Q7
18 D7
17 D6
16 Q6
15 Q5
14 D5
13 D4
12 Q4
11 CLOCK
MARKING DIAGRAMS
20
74HC374A
AWLYYWWG
1
SOIC−20
20
HC
374A
ALYWG
G
1
TSSOP−20
A
WL, L
YY, Y
WW, W
G or G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
(Note: Microdot may be in either location)
FUNCTION TABLE
Output
Enable
L
L
L
H
Inputs
Clock
L,H,
X
Output
D
Q
H
H
L
L
X No Change
X
Z
X = don’t care
Z = high impedance
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 5 of this data sheet.
Publication Order Number:
MC74HC374A/D