54LVTH245A 데이터 시트보기 (PDF) - MAXWELL TECHNOLOGIES
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54LVTH245A Datasheet PDF : 9 Pages
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3.3V ABT Octal Bus Transceiver
with 3-State Output
54LVTH245A
TABLE 5. 54LVTH245A ELECTRICAL CHARACTERISTICS
(VCC = 3.3V ±10%, TA = -55 to +125°C, UNLESS OTHERWISE SPECIFIED)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
UNIT
Supply Current
ICC VCC = 3.6V
Outputs high
--
IO = 0
Outputs low
--
VI = VCC or GND
Outputs disabled --
Delta Supply Current
∆ICC 1 VCC = 3V to 3.6V, One input at VCC -0.6V, Other inputs at --
VCC or GND
Input Capacitance
CI2 VI = 3V or 0
--
Input Output Capacitance CO2 VO = 3V or 0
--
0.39 mA
14
0.39
0.2 mA
8
pF
15
pF
1. This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
2. Guaranteed by design.
TABLE 6. 54LVTH245A AC ELECTRICAL CHARACTERISTICS
(VCC = 3.3V ±10%, TA = -55 RO 125°C, UNLESS OTHERWISE NOTED)
PARAMETER
SYMBOL
VCC = 3.3V ± 0.3V
VCC = 2.7V
UNIT
MIN
MAX
MIN
MAX
Propagation Delay Time
tPLH
0.7
3.7
--
4.2
ns
A orB to B or A
tPHL
0.7
3.7
--
4.2
Output Enable Time
tPZH
1.2
5.7
--
7.4
ns
OE to A or B
tPZL
1.6
5.7
--
6.8
Output Disable Time
tPHZ
1.8
6.2
--
6.8
ns
OE to A or B
tPLZ
1.8
5.3
--
5.5
TABLE 7. FUNCTION TABLE
INPUTS
OPERATION
OE
DIR
L
L
B data to A bus
l
H
A data to B bus
H
X
Isolation
1000597
12.19.01 Rev 1
All data sheets are subject to change without notice 4
©2001 Maxwell Technologies
All rights reserved.
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