參數(shù)資料
型號(hào): 74LVC322244A
廠商: NXP Semiconductors N.V.
英文描述: 32-bit buffer/line driver; with 30 ohm series termination resistors; 5 V input/output tolerant; 3-state
中文描述: 32位緩沖器/線路驅(qū)動(dòng)器,30歐姆的終端電阻系列; 5 V輸入/輸出寬容,三態(tài)
文件頁(yè)數(shù): 9/16頁(yè)
文件大?。?/td> 77K
代理商: 74LVC322244A
1999 Aug 31
9
Philips Semiconductors
Product specification
32-bit buffer/line driver; with 30
series termination
resistors; 5 V input/output tolerant; 3-state
74LVC322244A;
74LVCH322244A
Fig.5 3-state enable and disable times.
V
M
= 1.5 V at V
CC
2.7 V or
V
M
= 0.5
×
V
CC
at V
CC
< 2.7 V;
V
X
= V
OL
+ 0.3 V at V
CC
2.7 V or
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 or
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.
handbook, full pagewidth
MNA478
tPLZ
tPHZ
outputs
disabled
outputs
enabled
VY
VX
outputs
enabled
OUTPUT
LOW-to-OFF
OFF-to-LOW
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
nOE INPUT
VI
VOL
VOH
VCC
VM
GND
GND
tPZL
tPZH
VM
VM
Fig.6 Load circuitry for switching times.
Definitions for test circuit:
R
L
= load resistor.
C
L
= load capacitance including jig and probe capacitance.
R
T
= terminationresistanceshouldbeequaltotheoutputimpedance
Z
o
of the pulse generator.
TEST
S
1
t
PLH
/t
PHL
t
PLZ
/t
PZL
t
PHZ
/t
PZH
open
2
×
V
CC
GND
V
CC
V
I
< 2.7 V
2.7 to 3.6 V 2.7 V
V
CC
handbook, full pagewidth
open
GND
50 pF
2
×
VCC
VCC
VI
VO
MNA479
D.U.T.
CL
RL
500
RT
RL
500
PULSE
GENERATOR
S1
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74LVC32245AEC,551 功能描述:總線收發(fā)器 32-BIT 5V TOL I/O RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
74LVC32245AEC,557 功能描述:總線收發(fā)器 32-BIT 5V TOL I/O RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel
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