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SN74AVCH32T245 Datasheet, PDF (7/19 Pages) Texas Instruments – 32-bit dual-supply bus transceiver with configurable voltage translation and 3-state outputs | |||
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SN74AVCH32T245
32ÄBIT DUALÄSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3ÄSTATE OUTPUTS
SCES589B â AUGUST 2004 â REVISED APRIL 2005
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Notes 9 and 10) (continued)
PARAMETER
TEST CONDITIONS
A port
Ioff B port
IOZ#
A or B
ports
B port
A port
VI or VO = 0 to 3.6 V
VO = VCCO or
GND,
VI = VCCI or GND
OE = VIH
OE =
donât care
VCCA
0V
0 to 3.6 V
3.6 V
0V
3.6 V
VCCB
0 to 3.6 V
0V
3.6 V
3.6 V
0V
TA = 25°C
MIN TYP MAX
±0.1 ±2.5
±0.1 ±2.5
±0.5 ±2.5
â40°C TO
85°C
MIN MAX
±5
±5
UNIT
µA
±5
±5 µA
±5
ICCA
VI = VCCI or
GND,
IO = 0
1.2 V to 3.6 V
0V
3.6 V
1.2 V to 3.6 V
3.6 V
0V
ICCB
VI = VCCI or
GND,
IO = 0
1.2 V to 3.6 V
0V
3.6 V
1.2 V to 3.6 V
3.6 V
0V
ICCA ) ICCB
VI = VCCI or
GND,
IO = 0
1.2 V to 3.6 V 1.2 V to 3.6 V
Ci
Control
inputs
VI = 3.3 V or GND
3.3 V
3.3 V
3.5
A or B
Cio ports
VO = 3.3 V or GND
3.3 V
3.3 V
7
# For I/O ports, the parameter IOZ includes the input leakage current.
NOTES: 9. VCCO is the VCC associated with the output port.
10. VCCI is the VCC associated with the input port.
50
â10 µA
50
50
50 µA
â10
90 µA
pF
pF
switching characteristics over recommended operating free-air temperature range,
VCCA = 1.2 V (see Figure 1)
PARAMETER
tPLH
tPHL
tPLH
tPHL
tPZH
tPZL
tPZH
tPZL
tPHZ
tPLZ
tPHZ
tPLZ
FROM
(INPUT)
A
B
OE
OE
OE
OE
TO
(OUTPUT)
B
A
A
B
A
B
VCCB = 1.2 V
TYP
4.1
4.1
4.4
4.4
6.4
6.4
6
6
6.6
6.6
6
6
VCCB = 1.5 V
TYP
3.3
3.3
4
4
6.4
6.4
4.6
4.6
6.6
6.6
4.9
4.9
VCCB = 1.8 V
TYP
3
3
3.8
3.8
6.4
6.4
4
4
6.6
6.6
4.9
4.9
VCCB = 2.5 V
TYP
2.8
2.8
3.6
3.6
6.4
6.4
3.4
3.4
6.6
6.6
4.2
4.2
VCCB = 3.3 V
TYP
3.2
3.2
3.5
3.5
6.4
6.4
3.2
3.2
6.8
6.8
5.3
5.3
UNIT
ns
ns
ns
ns
ns
ns
⢠POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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