參數(shù)資料
型號： SN54ALVTH16245
廠商： Texas Instruments, Inc.
英文描述： 2.5-V/3.3-V 16-Bit Bus Transceivers With 3-State Outputs(2.5V/3.3V 16位總線收發(fā)器(三態(tài)輸出))
中文描述： 2.5-V/3.3-V 16位總線收發(fā)器三態(tài)輸出（2.5V/3.3V的16位總線收發(fā)器（三態(tài)輸出））
文件頁數(shù)： 4/9頁
文件大小： 206K
代理商： SN54ALVTH16245
SN54ALVTH16245, SN74ALVTH16245
2.5-V/3.3-V 16-BIT BUS TRANSCEIVERS
WITH 3-STATE OUTPUTS
SCES066A – JUNE 1996 – REVISED JULY 1996
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
recommended operating conditions, V
CC
= 3.3 V
±
0.3 V (see Note 3)
SN54ALVTH16245
MIN
3
2
SN74ALVTH16245
MIN
3
2
UNIT
MAX
3.6
MAX
3.6
VCC
VIH
VIL
VI
IOH
Supply voltage
High-level input voltage
Low-level input voltage
Input voltage
High-level output current
Low-level output current
Low-level output current; current duty cycle
≤
50%; f
≥
1 KHz
Input transition rise or fall rate
Operating free-air temperature
V
V
V
V
0.8
5.5
–24
24
0.8
5.5
–32
32
0
0
mA
IOL
mA
48
64
t/
v
TA
NOTE 3: Unused control inputs must be held high or low to prevent them from floating.
Outputs enabled
10
125
10
85
ns/V
°
C
–55
–40
electrical characteristics over recommended operating free-air temperature range,
V
CC
= 2.5 V
±
0.2 V (unless otherwise noted) (see Figure 1)
PARAMETER
TEST CONDITIONS
SN54ALVTH16245
TYP
SN74ALVTH16245
TYP
UNIT
MIN
MAX
MIN
MAX
VIK
VCC = 2.3 V,
VCC = 2.3 V to 2.7 V,
II = –18 mA
IOH = –100
μ
A
IOH = – 6 mA
IOH = – 8 mA
IOL = 100
μ
A
IOL = 6 mA
IOL = 8 mA
IOL = 18 mA
IOL = 24 mA
VI = GND
VI = 2.7 V
VI = VCC
VI = 0
VI or VO = 0 to
4.5 V
VI = 0.7 V
VI = 1.7 V
VI = 0 to 2.7 V
VO = 3.6 V
VO = 0.5 V to VCC,
OE = don’t care
–1.2
–1.2
V
VOH
VCC–0.2
1.7
VCC–0.2
V
VCC= 2 3 V
VCC = 2.3 V
1.7
VOL
VCC = 2.3 V to 2.7 V,
0.2
0.2
V
VCC= 2 3 V
VCC = 2.3 V
2 3 V
0.5
0.5
0.5
0.5
±
1
10
II
VCC = 2.7 V,
VCC = 0 or 2.7 V,
Control inputs
±
1
10
μ
A
VCC= 2 7 V
VCC = 2.7 V
A or B ports
10
10
–5
–5
Ioff
VCC = 0,
±
100
±
100
μ
A
VCC= 2 3 V
VCC = 2.3 V
A or B ports
90
90
II(hold)
75
75
A
μ
VCC = 2.7 V,
VCC = 2.3 V,
VCC
≤
1.2 V,
VI = GND or VCC,
IEX§
μ
A
IOZ(PU/PD)
±
100
±
100
μ
A
ICC
VCC = 2.7 V, IO
VI = VCC or GND
2 7 V
Outputs high
0.04
0.09
0.04
0.09
Outputs low
2.3
4.5
2.3
4.5
mA
Outputs
disabled
0.04
0.09
0.04
0.09
Ci
Cio
VCC = 2.5 V,
VCC = 2.5 V,
VI = 2.5 V or 0
VO = 2.5 V or 0
3
3
pF
9
9
pF
All typical values are at VCC = 2.5 V, TA = 25
°
C.
This is the bus-hold maximum dynamic current required to switch the input from one state to another.
§Current into an output in the high state when VO > VCC
High-impedance state during power up/high-impedance state during power down
P
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