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PDF ( 数据手册 , 数据表 ) 74HC125

零件编号 74HC125
描述 Quad buffer/line driver
制造商 NXP Semiconductors
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74HC125 数据手册, 描述, 功能
74HC125; 74HCT125
Quad buffer/line driver; 3-state
Rev. 6 — 1 December 2015
Product data sheet
1. General description
The 74HC125; 74HCT125 is a quad buffer/line driver with 3-state outputs controlled by
the output enable inputs (nOE). A HIGH on nOE causes the outputs to assume a high
impedance OFF-state. 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
Complies with JEDEC standard no. 7A
Input levels:
The 74HC125: CMOS levels
The 74HCT125: TTL levels
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
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
74HC125D
40 C to +125 C SO14
74HCT125D
74HC125DB
40 C to +125 C SSOP14
74HCT125DB
74HC125PW 40 C to +125 C TSSOP14
74HCT125PW
Description
plastic small outline package; 14 leads; body width
3.9 mm
Version
SOT108-1
plastic shrink small outline package; 14 leads; body
width 5.3 mm
SOT337-1
plastic thin shrink small outline package; 14 leads; body SOT402-1
width 4.4 mm







74HC125 pdf, 数据表
NXP Semiconductors
74HC125; 74HCT125
Quad buffer/line driver; 3-state
Q2(LQSXW
9,
*1'
9&&
RXWSXW
/2:WR2))
2))WR/2:
92/
92+
RXWSXW
+,*+WR2))
2))WR+,*+
*1'
90
W3/=
W3=/
W3+=


90
W3=+
90
RXWSXWV
HQDEOHG
RXWSXWV
GLVDEOHG
RXWSXWV
HQDEOHG
DDD
Fig 6.
Measurement points are given in Table 8.
VOL and VOH are typical voltage output levels that occur with the output load.
Enable and disable times
Table 8. Measurement points
Type
74HC125
74HCT125
Input
VM
0.5VCC
1.3 V
Output
VM
0.5VCC
1.3 V
74HC_HCT125
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 6 — 1 December 2015
© NXP Semiconductors N.V. 2015. All rights reserved.
8 of 16







74HC125 equivalent, schematic
NXP Semiconductors
17. Contents
1 General description . . . . . . . . . . . . . . . . . . . . . . 1
2 Features and benefits . . . . . . . . . . . . . . . . . . . . 1
3 Ordering information . . . . . . . . . . . . . . . . . . . . . 1
4 Functional diagram . . . . . . . . . . . . . . . . . . . . . . 2
5 Pinning information . . . . . . . . . . . . . . . . . . . . . . 2
5.1 Pinning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
5.2 Pin description . . . . . . . . . . . . . . . . . . . . . . . . . 3
6 Functional description . . . . . . . . . . . . . . . . . . . 3
7 Limiting values. . . . . . . . . . . . . . . . . . . . . . . . . . 3
8 Recommended operating conditions. . . . . . . . 4
9 Static characteristics. . . . . . . . . . . . . . . . . . . . . 4
10 Dynamic characteristics . . . . . . . . . . . . . . . . . . 6
11 Waveforms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
12 Package outline . . . . . . . . . . . . . . . . . . . . . . . . 10
13 Abbreviations . . . . . . . . . . . . . . . . . . . . . . . . . . 13
14 Revision history . . . . . . . . . . . . . . . . . . . . . . . . 13
15 Legal information. . . . . . . . . . . . . . . . . . . . . . . 14
15.1 Data sheet status . . . . . . . . . . . . . . . . . . . . . . 14
15.2 Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15.3 Disclaimers . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
15.4 Trademarks. . . . . . . . . . . . . . . . . . . . . . . . . . . 15
16 Contact information. . . . . . . . . . . . . . . . . . . . . 15
17 Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
74HC125; 74HCT125
Quad buffer/line driver; 3-state
Please be aware that important notices concerning this document and the product(s)
described herein, have been included in section ‘Legal information’.
© NXP Semiconductors N.V. 2015.
All rights reserved.
For more information, please visit: http://www.nxp.com
For sales office addresses, please send an email to: [email protected]
Date of release: 1 December 2015
Document identifier: 74HC_HCT125










页数 16 页
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