參數(shù)資料
型號: 74HC_HCT245_3
廠商: NXP Semiconductors N.V.
英文描述: Octal bus transceiver; 3-state
中文描述: 8個(gè)三態(tài)總線收發(fā)器, 3態(tài)
文件頁數(shù): 13/22頁
文件大?。?/td> 130K
代理商: 74HC_HCT245_3
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
.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
Input (An, Bn) to output (Bn, An) propagation delays and output transition times
Fig 5.
Measurement points are given in
Table 11
.
V
OL
and V
OH
are typical voltage output drop that occur with the output load.
3-state output enable and disable times
Fig 6.
Table 11:
Type
Measurement points
Input
V
M
0.5V
CC
1.3 V
Output
V
M
0.5V
CC
1.3 V
74HC245
74HCT245
001aac433
t
PLH
t
PHL
VM
V
M
90 %
10 %
V
M
V
M
Bn, An output
An, Bn input
V
I
GND
V
OH
V
OL
t
TLH
t
THL
001aac479
t
PLZ
t
PHZ
outputs
disabled
outputs
enabled
90 %
10 %
outputs
enabled
OE input
V
I
V
CC
V
OL
V
OH
GND
GND
V
M
t
PZL
t
PZH
V
M
V
M
output
LOW-to-OFF
OFF-to-LOW
output
HIGH-to-OFF
OFF-to-HIGH
t
r
t
f
90 %
10 %
相關(guān)PDF資料
PDF描述
74HC08 Quad 2-input AND gate
74HC137 3-to-8 line decoder/demultiplexer with address latches; inverting
74HC14 Hex inverting Schmitt trigger
74HC14PW HEX SCHMITT-TRIGGER INVERTERS
74HC154 4-to-16 line decoder/demultiplexer
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(shí)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(fēng)格:SMD/SMT 封裝 / 箱體:DCU-8 封裝:Reel