74HC595DB datasheet(14/24 Pages) NXP

tên linh kiện	74HC595DB

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

PDF	24 Pages

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nhà sản xuất	NXP [NXP Semiconductors]

Trang chủ	http://www.nxp.com

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74HC_HCT595

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Product data sheet

Rev. 6 — 12 December 2011

14 of 24

NXP Semiconductors

74HC595; 74HCT595

8-bit serial-in, serial or parallel-out shift register with output latches;

3-state

Measurement points are given in Table 8.

VOL and VOH are typical output voltage levels that occur with the output load.

Fig 12. Master reset to output propagation delays

mna561

MR input

SHCP input

7S output

tPHL

trec

VOH

VOL

GND

Measurement points are given in Table 8.

VOL and VOH are typical output voltage levels that occur with the output load.

Fig 13. Enable and disable times

msa697

tPLZ

tPHZ

outputs

disabled

outputs

enabled

90 %

10 %

outputs

enabled

OE input

tPZL

tPZH

Qn output

LOW-to-OFF

OFF-to-LOW

Qn output

HIGH-to-OFF

OFF-to-HIGH

90 %

10 %

Table 8.

Measurement points

Type

Input

Output

74HC595

0.5VCC

74HCT595

1.3 V

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