SN74AVCH20T245_09 Datasheet, PDF (6/21 Pages) Texas Instruments – 20-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS

SN74AVCH20T245
20ĆBIT DUALĆSUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3ĆSTATE OUTPUTS
SCES567F − MAY 2004 − REVISED APRIL 2005
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (see Notes 10 and 11) (continued)
PARAMETER
A port
Ioff _{B port}
IOZ†
A or B
ports
B port
A port
TEST CONDITIONS
VI or VO = 0 to 3.6 V
VO = VCCO or
GND,
VI = VCCI or GND
OE = VIH
OE =
don’t 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
−40°C to 85°C
MIN TYP MAX MIN MAX
±0.1
±1
±5
±0.1
±1
±5
UNIT
µA
±0.5 ±2.5
±5
±5 ^µA
±5
1.2 V to 3.6 V 1.2 V to 3.6 V
ICCA
VI = VCCI or GND, IO = 0
0V
3.6 V
3.6 V
0V
1.2 V to 3.6 V 1.2 V to 3.6 V
ICCB
VI = VCCI or GND, IO = 0
0V
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
Cio
A or B
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: 10. VCCO is the VCC associated with the output port.
11. VCCI is the VCC associated with the input port.
35
−5 µA
35
35
35 µA
−5
65 µA
pF
pF
switching characteristics over recommended operating free-air temperature range,
V_CCA = 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
3.8
3.8
4.1
4.1
6.5
6.5
5.6
5.6
6.4
6.4
5.7
5.7
VCCB = 1.5 V
TYP
3.1
3.1
3.8
3.8
6.5
6.5
4.4
4.4
6.4
6.4
4.6
4.6
VCCB = 1.8 V
TYP
2.8
2.8
3.6
3.6
6.5
6.5
3.8
3.8
6.4
6.4
4.7
4.7
VCCB = 2.5 V
TYP
2.7
2.7
3.5
3.5
6.5
6.5
3.3
3.3
6.4
6.4
4.1
4.1
VCCB = 3.3 V
TYP
3.3
3.3
3.4
3.4
6.5
6.5
3.2
3.2
6.4
6.4
5.4
5.4
UNIT
ns
ns
ns
ns
ns
ns
6
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265