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參數(shù)資料
| 型號： | 74HC_HCT245_CNV_2 |
| 廠商： | NXP Semiconductors N.V. |
| 英文描述： | Octal bus transceiver; 3-state |
| 中文描述： | 8個三態(tài)總線收發(fā)器, 3態(tài) |
| 文件頁數(shù)： | 5/22頁 |
| 文件大?。?/td> | 130K |
| 代理商： | 74HC_HCT245_CNV_2 |
9397 750 14502
Koninklijke Philips Electronics N.V. 2005. All rights reserved.
Product data sheet
Rev. 03 — 31 January 2005
13 of 22
Philips Semiconductors
74HC245; 74HCT245
Octal bus tranceiver; 3-state
12. Waveforms
Measurement points are given in Table 11.
VOL and VOH are typical voltage output drop that occur with the output load.
Fig 5.
Input (An, Bn) to output (Bn, An) propagation delays and output transition times
Measurement points are given in Table 11.
VOL and VOH are typical voltage output drop that occur with the output load.
Fig 6.
3-state output enable and disable times
Table 11:
Measurement points
Type
Input
Output
VM
74HC245
0.5VCC
74HCT245
1.3 V
001aac433
tPLH
tPHL
VM
VM
90 %
10 %
VM
Bn, An output
An, Bn input
VI
GND
VOH
VOL
tTLH
tTHL
001aac479
tPLZ
tPHZ
outputs
disabled
outputs
enabled
90 %
10 %
outputs
enabled
OE input
VI
VCC
VOL
VOH
GND
VM
tPZL
tPZH
VM
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
tr
tf
90 %
10 %
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| 74HC-HCT7541 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:OCTAL SCHMITT TRIGGER BUFFER/LINE DRIVER;3-STATE |
| 74HCT00 | 制造商:HAR 功能描述:74HCT00 制造商:NTE Electronics 功能描述: |
| 74HCT00AN | 制造商:AVX Corporation 功能描述: |
| 74HCT00BQ | 制造商:NXP Semiconductors 功能描述:IC QUAD 2 I/P NAND GATE 14-D |
| 74HCT00BQ,115 | 功能描述:邏輯門 QUAD 2-INPUT NAND RoHS:否 制造商:Texas Instruments 產(chǎn)品:OR 邏輯系列:LVC 柵極數(shù)量:2 線路數(shù)量（輸入/輸出）:2 / 1 高電平輸出電流:- 16 mA 低電平輸出電流:16 mA 傳播延遲時間:3.8 ns 電源電壓-最大:5.5 V 電源電壓-最小:1.65 V 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel |
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