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74HC374D Datasheet Preview

74HC374D Datasheet

Octal D-type flip-flop

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74HC374; 74HCT374
Octal D-type flip-flop; positive edge-trigger; 3-state
Rev. 3 — 20 February 2018
Product data sheet
1 General description
The 74HC374; 74HCT374 is an octal positive-edge triggered D-type flip-flop with
3‑state outputs. The device features a clock (CP) and output enable (OE) inputs. The
flip‑flops will store the state of their individual D-inputs that meet the set-up and hold
time requirements on the LOW-to-HIGH clock (CP) transition. A HIGH on OE causes
the outputs to assume a high-impedance OFF-state. Operation of the OE input does not
affect the state of the flip-flops. Inputs also include clamp diodes, this enables the use of
current limiting resistors to interface inputs to voltages in excess of VCC.
The 74HCT374 features reduced input threshold levels to allow interfacing to TTL logic
levels.
2 Features and benefits
Input levels:
For 74HC374: CMOS level
For 74HCT374: TTL level
Octal bus interface
Non-inverting 3-state outputs
8-bit positive, edge-triggered register
Common 3-state output enable input
Independent register and 3-state buffer operation
Complies with JEDEC standard no. 7 A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Specified from -40 °C to +85 °C and -40 °C to +125 °C




nexperia

74HC374D Datasheet Preview

74HC374D Datasheet

Octal D-type flip-flop

No Preview Available !

Nexperia
74HC374; 74HCT374
Octal D-type flip-flop; positive edge-trigger; 3-state
3 Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
74HC374D
−40 °C to +125 °C SO20
74HCT374D
74HC374DB
−40 °C to +125 °C SSOP20
74HCT374DB
74HC374PW
−40 °C to +125 °C TSSOP20
74HCT374PW
Description
plastic small outline package; 20 leads;
body width 7.5 mm
Version
SOT163-1
plastic shrink small outline package; 20 leads;
body width 5.3 mm
SOT339-1
plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
4 Functional diagram
11
CP
3 D0
Q0 2
4 D1
Q1 5
7 D2
Q2 6
8 D3
Q3 9
13 D4
Q4 12
14 D5
Q5 15
17 D6
Q6 16
18 D7
Q7 19
OE
1 mna891
Figure 1. Logic symbol
D0
D1
1
EN
11
C1
3 1D
2
4
5
7
6
8
9
13
12
14
15
17
16
18
19
3 D0
4 D1
7 D2
8 D3
FF1
13 D4
to
FF8
14 D5
17 D6
18 D7
11 CP
1 OE
3-STATE
OUTPUTS
Q0 2
Q1 5
Q2 6
Q3 9
Q4 12
Q5 15
Q6 16
Q7 19
mna196
Figure 2. IEC logic symbol
D2
D3
D4
Figure 3. Functional diagram
D5
D6
mna892
D7
DQ
CP
FF1
DQ
CP
FF2
DQ
CP
FF3
DQ
CP
FF4
DQ
CP
FF5
DQ
CP
FF6
DQ
CP
FF7
DQ
CP
FF8
CP
OE
Q0
Q1
Q2
Q3
Q4
Q5
Q6
Q7
mna893
Figure 4. Logic diagram
74HC_HCT374
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 3 — 20 February 2018
© Nexperia B.V. 2018. All rights reserved.
2 / 17


Part Number 74HC374D
Description Octal D-type flip-flop
Maker nexperia
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74HC374D Datasheet PDF






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