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74HCT373N Datasheet Preview

74HCT373N Datasheet

Octal D-type transparent latch

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74HC373; 74HCT373
Octal D-type transparent latch; 3-state
Rev. 7 — 22 July 2020
Product data sheet
1. General description
The 74HC373; 74HCT373 is an octal D-type transparent latch with 3-state outputs. The device
features latch enable (LE) and output enable (OE) inputs. When LE is HIGH, data at the inputs
enter the latches. In this condition the latches are transparent, a latch output will change each time
its corresponding D-input changes. When LE is LOW the latches store the information that was
present at the inputs a set-up time preceding the HIGH-to-LOW transition of LE. 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 latches. Inputs include clamp diodes. This enables the use of current limiting
resistors to interface inputs to voltages in excess of VCC.
2. Features and benefits
Wide supply voltage range from 2.0 V to 6.0 V
CMOS low power dissipation
High noise immunity
Latch-up performance exceeds 100 mA per JESD 78 Class II Level B
Complies with JEDEC standards:
JESD8C (2.7 V to 3.6 V)
JESD7A (2.0 V to 6.0 V)
Input levels:
For 74HC373: CMOS level
For 74HCT373: TTL level
3-state non-inverting outputs for bus oriented applications
Common 3-state output enable input
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from -40 °C to +85 °C and from -40 °C to +125 °C




nexperia

74HCT373N Datasheet Preview

74HCT373N Datasheet

Octal D-type transparent latch

No Preview Available !

Nexperia
74HC373; 74HCT373
Octal D-type transparent latch; 3-state
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
74HC373D
-40 °C to +125 °C SO20
74HCT373D
74HC373DB
-40 °C to +125 °C SSOP20
74HC373PW
74HCT373PW
74HC373BQ
74HCT373BQ
-40 °C to +125 °C
-40 °C to +125 °C
TSSOP20
DHVQFN20
Description
plastic small outline package; 20 leads;
body width 7.5 mm
plastic shrink small outline package; 20 leads;
body width 5.3 mm
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
plastic dual in-line compatible thermal enhanced
very thin quad flat package; no leads; 20 terminals;
body 2.5 × 4.5 × 0.85 mm
Version
SOT163-1
SOT339-1
SOT360-1
SOT764-1
4. Functional diagram
Fig. 1. Functional diagram
3 D0
4 D1
7 D2
8 D3
13 D4
14 D5
17 D6
18 D7
11 LE
1 OE
11
LE
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
001aae048
Fig. 2. Logic symbol
LATCH
1 TO 8
Q0 2
Q1 5
Q2 6
Q3
3-STATE
OUTPUTS
Q4
9
12
Q5 15
Q6 16
Q7 19
001aae050
OE 1
EN
LE 11
C1
D0 3
D1 4
D2 7
D3 8
D4 13
D5 14
D6 17
D7 18
1D
001aae049
2 Q0
5 Q1
6 Q2
9 Q3
12 Q4
15 Q5
16 Q6
19 Q7
Fig. 3. IEC logic symbol
74HC_HCT373
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 7 — 22 July 2020
© Nexperia B.V. 2020. All rights reserved
2 / 17


Part Number 74HCT373N
Description Octal D-type transparent latch
Maker nexperia
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74HCT373N Datasheet PDF






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