74AVCH8T245 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5 — 27 December 2012 3 of 25
NXP Semiconductors
74AVCH8T245
8-bit dual supply translating transceiver; 3-state
5. Pinning information
5.1 Pinning
Fig 2. Logic diagram (one channel)
001aai473
to other seven channels
DIR
A1
V
CC(A)
V
CC(B)
OE
B1
(1) This is not a supply pin. The substrate is attached to this
pad using conductive die attach material. There is no
electrical or mechanical requirement to solder this pad.
However, if it is soldered, the solder land should remain
floating or be connected to GND.
Fig 3. Pin configuration TSSOP24 Fig 4. Pin configuration DHVQFN24
74AVCH8T245
V
CC(A)
V
CC(B)
DIR V
CC(B)
A1 OE
A2 B1
A3 B2
A4 B3
A5 B4
A6 B5
A7 B6
A8 B7
GND B8
GND GND
001aai487
1
2
3
4
5
6
7
8
9
10
11
12
14
13
16
15
18
17
20
19
22
21
24
23
001aai488
74AVCH8T245
Transparent top view
B8
A8
GND
B7
A7 B6
A6 B5
A5 B4
A4 B3
A3 B2
A2 B1
A1 OE
DIR V
CC(B)
GND
GND
V
CC(A)
V
CC(B)
11 14
10 15
9 16
8 17
7 18
6 19
5 20
4 21
3 22
2 23
12
13
1
24
terminal 1
index area
GND
(1)
74AVCH8T245 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5 — 27 December 2012 4 of 25
NXP Semiconductors
74AVCH8T245
8-bit dual supply translating transceiver; 3-state
5.2 Pin description
[1] All GND pins must be connected to ground (0 V).
6. Functional description
[1] H = HIGH voltage level; L = LOW voltage level; X = don’t care; Z = high-impedance OFF-state.
[2] The An, DIR and OE
input circuit is referenced to V
CC(A)
; The Bn input circuit is referenced to V
CC(B)
.
[3] If at least one of V
CC(A)
or V
CC(B)
is at GND level, the device goes into suspend mode.
7. Limiting values
Table 2. Pin description
Symbol Pin Description
V
CC(A)
1 supply voltage A (An, OE and DIR inputs are referenced to V
CC(A)
)
DIR 2 direction control
A1 to A8 3, 4, 5, 6, 7, 8, 9, 10 data input or output
GND
[1]
11 ground (0 V)
GND
[1]
12 ground (0 V)
GND
[1]
13 ground (0 V)
B1 to B8 21, 20, 19, 18, 17, 16, 15, 14 data input or output
OE
22 output enable input (active LOW)
V
CC(B)
23 supply voltage B (Bn inputs are referenced to V
CC(B)
)
V
CC(B)
24 supply voltage B (Bn inputs are referenced to V
CC(B)
)
Table 3. Function table
[1]
Supply voltage Input Input/output
[3]
V
CC(A)
, V
CC(B)
OE
[2]
DIR
[2]
An
[2]
Bn
0.8 V to 3.6 V L L An = Bn input
0.8 V to 3.6 V L H input Bn = An
0.8 V to 3.6 V H X Z Z
GND
[3]
XXZZ
Table 4. Limiting values
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
V
CC(A)
supply voltage A 0.5 +4.6 V
V
CC(B)
supply voltage B 0.5 +4.6 V
I
IK
input clamping current V
I
<0V 50 - mA
V
I
input voltage
[1]
0.5 +4.6 V
I
OK
output clamping current V
O
<0V 50 - mA
V
O
output voltage Active mode
[1][2][3]
0.5 V
CCO
+0.5 V
Suspend or 3-state mode
[1]
0.5 +4.6 V
I
O
output current V
O
=0VtoV
CC
- 50 mA
I
CC
supply current per V
CC(A)
or V
CC(B)
pin - 100 mA
74AVCH8T245 All information provided in this document is subject to legal disclaimers. © NXP B.V. 2012. All rights reserved.
Product data sheet Rev. 5 — 27 December 2012 5 of 25
NXP Semiconductors
74AVCH8T245
8-bit dual supply translating transceiver; 3-state
[1] The minimum input voltage ratings and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] V
CCO
is the supply voltage associated with the output port.
[3] V
CCO
+ 0.5 V should not exceed 4.6 V.
[4] For TSSOP24 package: P
tot
derates linearly at 5.5 mW/K above 60 C.
For DHVQFN24 package: P
tot
derates linearly at 4.5 mW/K above 60 C.
8. Recommended operating conditions
[1] V
CCO
is the supply voltage associated with the output port.
[2] V
CCI
is the supply voltage associated with the input port.
9. Static characteristics
I
GND
ground current per GND pin 100 - mA
T
stg
storage temperature 65 +150 C
P
tot
total power dissipation T
amb
= 40 C to +125 C
[4]
-500mW
Table 4. Limiting values
…continued
In accordance with the Absolute Maximum Rating System (IEC 60134). Voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Max Unit
Table 5. Recommended operating conditions
Symbol Parameter Conditions Min Max Unit
V
CC(A)
supply voltage A 0.8 3.6 V
V
CC(B)
supply voltage B 0.8 3.6 V
V
I
input voltage 0 3.6 V
V
O
output voltage Active mode
[1]
0V
CCO
V
Suspend or 3-state mode 0 3.6 V
T
amb
ambient temperature 40 +125 C
t/V input transition rise and fall rate V
CCI
= 0.8 V to 3.6 V
[2]
-5ns/V
Table 6. Typical static characteristics at T
amb
= 25 C
[1][2]
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions Min Typ Max Unit
V
OH
HIGH-level output voltage V
I
= V
IH
or V
IL
I
O
= 1.5 mA; V
CC(A)
=V
CC(B)
= 0.8 V - 0.69 - V
V
OL
LOW-level output voltage V
I
= V
IH
or V
IL
I
O
= 1.5 mA; V
CC(A)
=V
CC(B)
= 0.8 V - 0.07 - V
I
I
input leakage current DIR, OE input; V
I
= 0 V or 3.6 V;
V
CC(A)
=V
CC(B)
= 0.8 V to 3.6 V
- 0.025 0.25 A
I
BHL
bus hold LOW current A or B port; V
I
=0.42V;V
CC(A)
=V
CC(B)
= 1.2 V
[3]
-26-A
I
BHH
bus hold HIGH current A or B port; V
I
=0.78V;V
CC(A)
=V
CC(B)
=1.2V
[4]
- 24 - A
I
BHLO
bus hold LOW overdrive
current
A or B port; V
CC(A)
= V
CC(B)
= 1.2 V
[5]
-27-A
I
BHHO
bus hold HIGH overdrive
current
A or B port; V
CC(A)
= V
CC(B)
= 1.2 V
[6]
- 26 - A

74AVCH8T245PW:118

Mfr. #:
Manufacturer:
Nexperia
Description:
Bus Transceivers Bus XCVR Single 8-CH 3-ST 16-Pin
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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