74LVC_LVCH1T45 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 6 — 6 August 2012 8 of 33
NXP Semiconductors
74LVC1T45; 74LVCH1T45
Dual supply translating transceiver; 3-state
[1] V
CCI
is the supply voltage associated with the data input port.
[2] V
CCO
is the supply voltage associated with the output port.
[3] To guarantee the node switches, an external driver must source/sink at least I
BHLO
/I
BHHO
when the input is in the range V
IL
to V
IH
.
[4] For non bus hold parts only (74LVC1T45).
I
OFF
power-off
leakage
current
A port; V
I
or V
O
=0Vto5.5V;
V
CC(A)
=0V;
V
CC(B)
= 1.2 V to 5.5 V
- 2-10 A
B port; V
I
or V
O
=0Vto5.5V;
V
CC(B)
=0V;
V
CC(A)
= 1.2 V to 5.5 V
- 2-10 A
I
CC
supply current A port; V
I
= 0 V or V
CCI
; I
O
= 0 A
[1]
V
CC(A)
, V
CC(B)
= 1.2 V to 5.5 V - 8 - 8 A
V
CC(A)
, V
CC(B)
= 1.65 V to 5.5 V - 3 - 3 A
V
CC(A)
= 5.5 V; V
CC(B)
= 0 V - 2 - 2 A
V
CC(A)
= 0 V; V
CC(B)
= 5.5 V 2-2-A
B port; V
I
= 0 V or V
CCI
; I
O
= 0 A
V
CC(A)
, V
CC(B)
= 1.2 V to 5.5 V - 8 - 8 A
V
CC(A)
, V
CC(B)
= 1.65 V to 5.5 V - 3 - 3 A
V
CC(B)
= 5.5 V; V
CC(A)
= 0 V - 2 - 2 A
V
CC(B)
= 0 V; V
CC(A)
= 5.5 V 2-2-A
A plus B port (I
CC(A)
I
CC(B)
);
I
O
=0A; V
I
=0 Vor V
CCI
V
CC(A)
, V
CC(B)
= 1.2 V to 5.5 V - 16 - 16 A
V
CC(A)
, V
CC(B)
= 1.65 V to 5.5 V - 4 - 4 A
I
CC
additional
supply current
V
CC(A)
, V
CC(B)
= 3.0 V to 5.5 V
A port; A port at V
CC(A)
0.6 V;
DIR at V
CC(A)
; B port = open
[4]
-50-75A
DIR input; DIR at V
CC(A)
0.6 V;
Aportat V
CC(A)
or GND;
B port = open
-50-75A
B port; B port at V
CC(B)
0.6 V;
DIR at GND; A port = open
[4]
-50-75A
Table 8. Static characteristics
…continued
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions 40 C to +85 C 40 C to +125 C Unit
Min Max Min Max
