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74AHCT240BQ,115 PDF预览

74AHCT240BQ,115

更新时间: 2024-10-28 14:50:51
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恩智浦 - NXP 驱动逻辑集成电路
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74AHCT240BQ,115 数据手册

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74AHC240; 74AHCT240  
Octal buffer/line driver; inverting; 3-state  
Rev. 4 — 25 September 2013  
Product data sheet  
1. General description  
The 74AHC240 and 74AHCT240 are 8-bit inverting buffer/line drivers with 3-state outputs.  
These devices can be used as two 4-bit buffers or one 8-bit buffer. They feature two  
output enables (1OE and 2OE), each controlling four of the 3-state outputs. A HIGH on  
nOE causes the outputs to assume a high-impedance OFF-state. Inputs are over voltage  
tolerant. This feature allows the use of these devices as translators in mixed voltage  
environments.  
2. Features and benefits  
Balanced propagation delays  
All inputs have a Schmitt-trigger action  
Inputs accepts voltages higher than VCC  
For 74AHC240 only: operates with CMOS input levels  
For 74AHCT240 only: operates with TTL input levels  
ESD protection:  
HBM JESD22-A114F exceeds 2000 V  
CDM JESD22-C101D exceeds 1000 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  
Description  
Version  
74AHC240D  
40 C to +125 C  
SO20  
plastic small outline package; 20 leads;  
body width 7.5 mm  
SOT163-1  
74AHCT240D  
74AHC240PW  
74AHCT240PW  
74AHC240BQ  
74AHCT240BQ  
40 C to +125 C  
40 C to +125 C  
TSSOP20  
plastic thin shrink small outline package; 20 leads; SOT360-1  
body width 4.4 mm  
DHVQFN20 plastic dual in-line compatible thermal enhanced  
very thin quad flat package; no leads; 20 terminals;  
body 2.5 4.5 0.85 mm  
SOT764-1  
 
 
 

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