Datasheet > 74HCT573BQ

74HCT573BQ

更新时间： 2023-09-03 20:27:31

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
16页	274K
描述
Octal D-type transparent latch; 3-stateProduction

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74HCT573BQ 数据手册

Nexperia

74HC573; 74HCT573

Octal D-type transparent latch; 3-state

6. Functional description

Table 3. Function table

H = HIGH voltage level; h = HIGH voltage level one set-up time prior to the HIGH-to-LOW LE transition;

L = LOW voltage level; l = LOW voltage level one set-up time prior to the HIGH-to-LOW LE transition;

Z = high-impedance OFF-state.

Operating mode

Control

Input

Internal latches Output

Enable and read register

(transparent mode)

Latch and read register

Latch register and disable outputs H

7. Limiting values

Table 4. Limiting values

In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).

Symbol Parameter

Conditions

Min

Max

Unit

V_CC

I_IK

supply voltage

-0.5

input clamping current

output clamping current

output current

V_I< -0.5 V or V_I> V_CC+ 0.5 V

V_O< -0.5 V or V_O> V_CC+ 0.5 V

V_O= -0.5 V to (V_CC+ 0.5 V)

±20

±35

+70

°C

I_OK

I_O

I_CC

I_GND

T_stg

P_tot

supply current

ground current

-70

-65

storage temperature

total power dissipation

+150

500

[1]

[1] For SOT163-1 (SO20) package: P_totderates linearly with 12.3 mW/K above 109 °C.

For SOT360-1 (TSSOP20) package: P_totderates linearly with 10.0 mW/K above 100 °C.

For SOT764-1 (DHVQFN20) package: P_totderates linearly with 12.9 mW/K above 111 °C.

8. Recommended operating conditions

Table 5. Recommended operating conditions

Voltages are referenced to GND (ground = 0 V)

Symbol Parameter

Conditions

74HC573

74HCT573

Unit

Min

Typ

Max

6.0

Min

Typ

Max

5.5

V_CC

V_I

supply voltage

input voltage

2.0

5.0

4.5

5.0

V_CC

+125

625

139

V_CC

V_O

output voltage

ambient temperature

+25

T_amb

Δt/ΔV

-40

+125 °C

input transition rise and fall V_CC= 2.0 V

rate

139

ns/V

V_CC= 4.5 V

1.67

ns/V

V_CC= 6.0 V

74HC_HCT573

All information provided in this document is subject to legal disclaimers.

Product data sheet

Rev. 8 — 10 September 2021

4 / 16

1 2 345 6 7...16

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