74LVC595A datasheet(13/19 Pages) NXP

tên linh kiện	74LVC595A

Giải thích chi tiết về linh kiện	8-bit serial-in/serial-out or parallel-out shift register; 3-state

PDF	19 Pages

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nhà sản xuất	NXP [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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13 / 19 page

74LVC595A_1

Product data sheet

Rev. 01 — 29 May 2007

13 of 19

NXP Semiconductors

74LVC595A

8-bit serial-in/serial-out or parallel-out shift register; 3-state

Test data is given in Table 9. Deﬁnitions for test circuit:

RL = Load resistance.

CL = Load capacitance including jig and probe capacitance.

RT = Termination resistance should be equal to output impedance Zo of the pulse generator.

VEXT = External voltage for measuring switching times.

Fig 13. Load circuitry for switching times

10 %

90 %

0 V

negative

pulse

positive

pulse

0 V

90 %

10 %

001aae331

VEXT

VCC

DUT

PULSE

GENERATOR

Table 9.

Test data

Supply voltage

Input

Load

VEXT

tr, tf

tPLH, tPHL

tPLZ, tPZL

tPHZ, tPZH

1.2 V

VCC

≤ 2 ns

30 pF

1 k

Ω

open

× VCC

GND

1.65 V to 1.95 V

VCC

≤ 2 ns

30 pF

1 k

Ω

open

× VCC

GND

2.3 V to 2.7 V

VCC

≤ 2 ns

30 pF

500

Ω

open

× VCC

GND

2.7 V

≤ 2.5 ns

50 pF

500

Ω

open

× VCC

GND

3.0 V to 3.6 V

2.7 V

≤ 2.5 ns

50 pF

500

Ω

open

× VCC

GND

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