參數(shù)資料
型號(hào)： 74ALVCH32245
廠商： Texas Instruments, Inc.
英文描述： 32-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
中文描述： 32位總線收發(fā)器和三態(tài)輸出
文件頁(yè)數(shù)： 4/8頁(yè)
文件大?。?/td> 123K
代理商： 74ALVCH32245
SN74ALVCH32245
32-BIT BUS TRANSCEIVER
WITH 3-STATE OUTPUTS
SCES282 – OCTOBER 1999
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
VCC
MIN
TYP
MAX
UNIT
IOH = –100
μ
A
IOH = –4 mA
IOH = –8 mA
1.65 V to 3.6 V
VCC–0.2
1.2
1.65 V
VOH
2.3 V
1.7
V
IOH= 12 mA
IOH = –12 mA
2.7 V
2.2
3 V
2.4
IOH = –24 mA
IOL = 100
μ
A
IOL = 4 mA
IOL = 8 mA
IOL = 12 mA
IOL = 24 mA
VI = VCC or GND
VI = 0.58 V
VI = 1.07 V
VI = 0.7 V
VI = 1.7 V
VI = 0.8 V
VI = 2 V
VI = 0 to 3.6 V
VO = VCC or GND
VI = VCC or GND,
One input at VCC – 0.6 V,
VI = VCC or GND
VO = VCC or GND
3 V
2.2
1.65 V to 3.6 V
0.2
1.65 V
0.45
VOL
2.3 V
0.7
V
2.7 V
0.4
3 V
0.55
±
5
II
3.6 V
μ
A
1.65 V
25
1.65 V
–25
2.3 V
45
II(hold)
2.3 V
–45
μ
A
3 V
75
3 V
–75
3.6 V
±
500
±
10
40
IOZ§
ICC
ICC
Ci
Cio
All typical values are at VCC = 3.3 V, TA = 25
°
C.
This is the bus-hold maximum dynamic current. It is the minimum overdrive current required to switch the input from one state to another.
§For I/O ports, the parameter IOZ includes the input leakage current.
3.6 V
μ
A
μ
A
μ
A
pF
IO = 0
Other inputs at VCC or GND
3.6 V
3 V to 3.6 V
750
Control inputs
3.3 V
4
A or B ports
3.3 V
8
pF
switching characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Figures 1 through 3)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
VCC = 1.8 V
±
0.15 V
VCC = 2.5 V
±
0.2 V
VCC = 2.7 V
VCC = 3.3 V
±
0.3 V
UNIT
MIN
MAX
MIN
MAX
MIN
MAX
MIN
MAX
tpd
ten
tdis
A or B
B or A
1
3.7
3.6
1
3
ns
OE
A or B
1
5.7
5.4
1
4.4
ns
OE
A or B
1
5.2
4.6
1
4.1
ns
This information was not available at the time of publication.
operating characteristics, T
A
= 25
°
C
PARAMETER
TEST CONDITIONS
VCC = 1.8 V
TYP
VCC = 2.5 V
TYP
22
VCC = 3.3 V
TYP
29
UNIT
Cd
Cpd
Power dissipation
capacitance
Outputs enabled
Outputs disabled
CL= 50 pF
CL = 50 pF,
f = 10 MHz
pF
4
5
This information was not available at the time of publication.
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