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74HC244D/T3 参数 Datasheet PDF下载

74HC244D/T3图片预览
型号: 74HC244D/T3
PDF下载: 下载PDF文件 查看货源
内容描述: [IC HC/UH SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20, 7.50 MM, PLASTIC, MS-013, SOT-163-1, SOP-20, Bus Driver/Transceiver]
分类和应用: 驱动光电二极管输出元件逻辑集成电路
文件页数/大小: 22 页 / 128 K
品牌: NXP [ NXP ]
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74HC244; 74HCT244  
Philips Semiconductors  
Octal buffer/line driver; 3-state  
V
I
nOE input  
V
M
GND  
t
t
PZL  
PLZ  
V
CC  
nYn output  
LOW-to-OFF  
OFF-to-LOW  
V
M
V
X
V
OL  
t
t
PZH  
PHZ  
V
OH  
V
Y
nYn output  
HIGH-to-OFF  
OFF-to-HIGH  
V
M
GND  
outputs  
enabled  
outputs  
disabled  
outputs  
enabled  
001aae014  
Measurement points are given in Table 11.  
VOL and VOH are typical voltage output drop that occur with the output load.  
Fig 7. 3-state enable and disable times  
Table 11: Measurement points  
Type  
Input  
VM  
Output  
VM  
74HC244  
0.5VCC  
1.3 V  
0.5VCC  
1.3 V  
74HCT244  
74HC_HCT244_3  
© Koninklijke Philips Electronics N.V. 2005. All rights reserved.  
Product data sheet  
Rev. 03 — 22 December 2005  
13 of 22