參數(shù)資料
型號(hào): 74LVC2245APWDH
廠商: NXP SEMICONDUCTORS
元件分類: 通用總線功能
英文描述: Octal transceiver with direction pin; 30 ohm series termination resistors; 5 V input/output tolerant; 3-state
中文描述: LVC/LCX/Z SERIES, 8-BIT TRANSCEIVER, TRUE OUTPUT, PDSO20
封裝: PLASTIC, TSSOP-20
文件頁(yè)數(shù): 10/17頁(yè)
文件大?。?/td> 104K
代理商: 74LVC2245APWDH
2003 Nov 17
10
Philips Semiconductors
Product specification
Octal transceiver with direction pin, 30
series
termination resistors; 5 V tolerant input/output; 3-state
74LVC2245A
AC WAVEFORMS
handbook, halfpage
MNA176
An, Bn input
Bn, An output
tPLH
tPHL
GND
VI
VM
VM
VM
VM
VOH
VOL
Fig.5 The inputs An, Bn to outputs Bn, An propagation delays.
V
OL
and V
OH
are typical output voltage drop that occur with the output load.
V
CC
V
M
INPUT
V
I
t
r
= t
f
1.2 V
2.7 V
3.0 to 3.6 V
0.5
×
V
CC
1.5 V
1.5 V
V
CC
2.7 V
2.7 V
2.5 ns
2.5 ns
2.5 ns
handbook, full pagewidth
MNA395
tPLZ
tPHZ
outputs
disabled
outputs
enabled
VY
VX
outputs
enabled
Qn output
LOW-to-OFF
OFF-to-LOW
Qn output
HIGH-to-OFF
OFF-to-HIGH
OE input
VI
VOL
VOH
VCC
VM
GND
GND
tPZL
tPZH
VM
VM
Fig.6 3-state enable and disable times.
V
X
= V
OL
+ 0.3 V at V
CC
2.7 V;
V
X
= V
OL
+ 0.1 V at V
CC
< 2.7 V;
V
Y
= V
OH
0.3 V at V
CC
2.7 V;
V
Y
= V
OH
0.1 V at V
CC
< 2.7 V.
V
OL
and V
OH
are typical output voltage drop that occur with the output load.
V
CC
V
M
INPUT
V
I
t
r
= t
f
2.5 ns
2.5 ns
2.5 ns
1.2 V
2.7 V
3.0 to 3.6 V 1.5 V
0.5
×
V
CC
1.5 V
V
CC
2.7 V
2.7 V
相關(guān)PDF資料
PDF描述
74LVC2245A Octal transceiver with direction pin;with 30Ω series termination resistors; with 5-volt tolerant inputs/outputs (3-State)(帶30Ω系列終端電阻器,5V輸入/輸出容限的八收發(fā)器(三態(tài)))
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