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74LVCH1T45GF Datasheet PDF : 30 Pages
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NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
Table 6.
Symbol
VO
Tamb
Δt/ΔV
Recommended operating conditions …continued
Parameter
Conditions
output voltage
Active mode
Suspend or 3-state mode
ambient temperature
input transition rise and fall rate
VCCI = 1.2 V
VCCI = 1.4 V to 1.95 V
VCCI = 2.3 V to 2.7 V
VCCI = 3 V to 3.6 V
VCCI = 4.5 V to 5.5 V
[1] VCCO is the supply voltage associated with the output port.
[2] VCCI is the supply voltage associated with the input port.
10. Static characteristics
Min
[1] 0
0
−40
[2] -
-
-
-
-
Max
VCCO
5.5
+125
20
20
20
10
5
Unit
V
V
°C
ns/V
ns/V
ns/V
ns/V
ns/V
Table 7. Typical static characteristics at Tamb = 25 °C
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
Min
VOH
VOL
II
IBHL
IBHH
IBHLO
HIGH-level output voltage
LOW-level output voltage
input leakage current
bus hold LOW current
bus hold HIGH current
bus hold LOW overdrive
current
VI = VIH or VIL
IO = −3 mA; VCCO = 1.2 V
VI = VIH or VIL
IO = 3 mA; VCCO = 1.2 V
DIR input; VI = 0 V to 5.5 V;
VCCI = 1.2 V to 5.5 V
A or B port; VI = 0.42 V; VCCI = 1.2 V
A or B port; VI = 0.78 V; VCCI = 1.2 V
A or B port; VCCI = 1.2 V
[1]
-
[1] -
[2] -
[2] -
[2] -
[2][3] -
IBHHO
bus hold HIGH overdrive A or B port; VCCI = 1.2 V
current
[2][3] -
IOZ
OFF-state output current A or B port; VO = 0 V or VCCO;
[1] -
VCCO = 1.2 V to 5.5 V
IOFF
power-off leakage current A port; VI or VO = 0 V to 5.5 V;
-
VCC(A) = 0 V; VCC(B) = 1.2 V to 5.5 V
B port; VI or VO = 0 V to 5.5 V;
-
VCC(B) = 0 V; VCC(A) = 1.2 V to 5.5 V
CI
input capacitance
DIR input; VI = 0 V or 3.3 V;
-
VCC(A) = VCC(B) = 3.3 V
CI/O
input/output capacitance A and B port; suspend mode;
-
VO = 3.3 V or 0 V; VCC(A) = VCC(B) = 3.3 V
Typ
1.09
0.07
-
19
−19
19
−19
-
-
-
2.2
6.0
Max Unit
-
V
-
V
±1 μA
-
μA
-
μA
-
μA
-
μA
±1 μA
±1 μA
±1 μA
-
pF
-
pF
[1] VCCO is the supply voltage associated with the output port.
[2] VCCI is the supply voltage associated with the data input port.
[3] To guarantee the node switches, an external driver must source/sink at least IBHLO / IBHHO when the input is in the range VIL to VIH.
74LVC_LVCH1T45_2
Product data sheet
Rev. 02 — 19 January 2010
© NXP B.V. 2010. All rights reserved.
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