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SN74AVCH4T245 Datasheet(PDF) 5 Page - Texas Instruments

Part No. SN74AVCH4T245
Description  4-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
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Maker  TI [Texas Instruments]
Homepage  http://www.ti.com
Logo TI - Texas Instruments

SN74AVCH4T245 Datasheet(HTML) 5 Page - Texas Instruments

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Electrical Characteristics
(1) (2)
SN74AVCH4T245
4-BIT DUAL-SUPPLY BUS TRANSCEIVER
WITH CONFIGURABLE VOLTAGE TRANSLATION AND 3-STATE OUTPUTS
SCES577D – JUNE 2004 – REVISED JUNE 2007
over recommended operating free-air temperature range (unless otherwise noted)
TA = 25°C
–40
°C to 85°C
PARAMETER
TEST CONDITIONS
VCCA
VCCB
UNIT
MIN
TYP
MAX
MIN MAX
IOH = –100 μA
1.2 V to 3.6 V
1.2 V to 3.6 V
VCCO – 0.2
IOH = –3 mA
1.2 V
1.2 V
0.95
IOH = –6 mA
1.4 V
1.4 V
1.05
VOH
VI = VIH
V
IOH = –8 mA
1.65 V
1.65 V
1.2
IOH = –9 mA
2.3 V
2.3 V
1.75
IOH = –12 mA
3 V
3 V
2.3
IOL = 100 μA
1.2 V to 3.6 V
1.2 V to 3.6 V
0.2
IOL = 3 mA
1.2 V
1.2 V
0.15
IOL = 6 mA
1.4 V
1.4 V
0.35
VOL
VI = VIL
V
IOL = 8 mA
1.65 V
1.65 V
0.45
IOL = 9 mA
2.3 V
2.3 V
0.55
IOL = 12 mA
3 V
3 V
0.7
II
DIR input
VI = VCCA or GND
1.2 V to 3.6 V
1.2 V to 3.6 V
±0.025 ±0.25
±1
μA
VI = 0.42 V
1.2 V
1.2 V
25
VI = 0.49 V
1.4 V
1.4 V
15
IBHL
(3)
VI = 0.58 V
1.65 V
1.65 V
25
μA
VI = 0.7 V
2.3 V
2.3 V
45
VI = 0.8 V
3.3 V
3.3 V
100
VI = 0.78 V
1.2 V
1.2 V
–25
VI = 0.91 V
1.4 V
1.4 V
–15
IBHH
(4)
VI = 1.07 V
1.65 V
1.65 V
–25
μA
VI = 1.6 V
2.3 V
2.3 V
–45
VI = 2 V
3.3 V
3.3 V
–100
1.2 V
1.2 V
50
1.6 V
1.6 V
125
IBHLO
(5)
VI = 0 to VCCI
1.95 V
1.95 V
200
μA
2.7 V
2.7 V
300
3.6 V
3.6 V
500
1.2 V
1.2 V
–50
1.6 V
1.6 V
–125
IBHHO
(6)
VI = 0 to VCCI
1.95 V
1.95 V
–200
μA
2.7 V
2.7 V
–300
3.6 V
3.6 V
–500
(1)
VCCO is the VCC associated with the output port.
(2)
VCCI is the VCC associated with the input port.
(3)
The bus-hold circuit can sink at least the minimum low sustaining current at VIL max. IBHL should be measured after lowering VIN to GND
and then raising it to VIL max.
(4)
The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to
VCC and then lowering it to VIH min.
(5)
An external driver must source at least IBHLO to switch this node from low to high.
(6)
An external driver must sink at least IBHHO to switch this node from high to low.
5
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