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부품번호 | 74AVCH16T245 기능 |
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기능 | 16-bit Transceiver | ||
제조업체 | NXP Semiconductors | ||
로고 | |||
전체 28 페이지수
74AVCH16T245
16-bit dual supply translating transceiver with configurable
voltage translation; 3-state
Rev. 01 — 14 October 2009
Product data sheet
1. General description
The 74AVCH16T245 is a 16-bit transceiver with bidirectional level voltage translation and
3-state outputs.The device can be used as two 8-bit transceivers or as a 16-bit
transceiver. It has dual supplies (VCC(A) and VCC(B)) for voltage translation and two 8-bit
input-output ports (nAn, nBn) each with its own output enable (nOE) and send/receive
(nDIR) input for direction control. VCC(A) and VCC(B) can be independently supplied at any
voltage between 0.8 V and 3.6 V making the device suitable for low voltage translation
between any of the following voltages: 0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V. A HIGH
on nDIR selects transmission from nAn to nBn while a LOW on nDIR selects transmission
from nBn to nAn. A HIGH on nOE causes the outputs to assume a high-impedance
OFF-state
The device is fully specified for partial power-down applications using IOFF. The IOFF
circuitry disables the output, preventing any damaging backflow current through the
device when it is powered down. In suspend mode when either VCC(A) or VCC(B) are at
GND level, both A and B outputs are in the high-impedance OFF-state. The bus-hold
circuitry on the powered-up side always stays active.
The 74AVCH16T245 has active bus hold circuitry which is provided to hold unused or
floating data inputs at a valid logic level. This feature eliminates the need for external
pull-up or pull-down resistors.
2. Features
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I Wide supply voltage range:
N VCC(A): 0.8 V to 3.6 V
N VCC(B): 0.8 V to 3.6 V
I Complies with JEDEC standards:
N JESD8-12 (0.8 V to 1.3 V)
N JESD8-11 (0.9 V to 1.65 V)
N JESD8-7 (1.2 V to 1.95 V)
N JESD8-5 (1.8 V to 2.7 V)
N JESD8-B (2.7 V to 3.6 V)
I ESD protection:
N HBM JESD22-A114E Class 3B exceeds 8000 V
N MM JESD22-A115-A exceeds 200 V
N CDM JESD22-C101C exceeds 1000 V
I Maximum data rates:
N 380 Mbit/s (≥ 1.8 V to 3.3 V translation)
NXP Semiconductors
74AVCH16T245
16-bit dual supply translating transceiver; 3-state
5. Pinning information
5.1 Pinning
74AVCH16T245
1DIR 1
1B1 2
1B2 3
GND 4
1B3 5
1B4 6
VCC(B) 7
1B5 8
1B6 9
GND 10
1B7 11
1B8 12
2B1 13
2B2 14
GND 15
2B3 16
2B4 17
VCC(B) 18
2B5 19
2B6 20
GND 21
2B7 22
2B8 23
2DIR 24
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48 1OE
47 1A1
46 1A2
45 GND
44 1A3
43 1A4
42 VCC(A)
41 1A5
40 1A6
39 GND
38 1A7
37 1A8
36 2A1
35 2A2
34 GND
33 2A3
32 2A4
31 VCC(A)
30 2A5
29 2A6
28 GND
27 2A7
26 2A8
25 2OE
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Fig 3. Pin configuration SOT362-1 and SOT480-1
(TSSOP48)
ball A1 74AVCH16T245
index area
123456
A
B
C
D
E
F
G
H
J
K
001aak431
Transparent top view
Fig 4. Pin configuration SOT702-1 (VFBGA56)
74AVCH16T245_1
Product data sheet
Rev. 01 — 14 October 2009
© NXP B.V. 2009. All rights reserved.
4 of 28
4페이지 NXP Semiconductors
74AVCH16T245
16-bit dual supply translating transceiver; 3-state
7. Limiting values
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
VCC(A)
VCC(B)
IIK
VI
IOK
VO
supply voltage A
supply voltage B
input clamping current
input voltage
output clamping current
output voltage
VI < 0 V
VO < 0 V
Active mode
Suspend or 3-state mode
−0.5
−0.5
−50
[1] −0.5
−50
[1][2][3] −0.5
[1] −0.5
+4.6
+4.6
-
+4.6
-
VCCO + 0.5
+4.6
V
V
mA
V
mA
V
V
IO output current
VO = 0 V to VCC
[2] -
±50 mA
ICC
IGND
Tstg
Ptot
supply current
ground current
storage temperature
total power dissipation
ICC(A) or ICC(B)
Tamb = −40 °C to +125 °C;
TSSOP48 package
-
−100
−65
[4] -
100
-
+150
500
mA
mA
°C
mW
VFBGA56 package
[5] -
1000
mW
HUQFN60U package
[5] -
1000
mW
[1] The minimum input voltage ratings and output voltage ratings may be exceeded if the input and output current ratings are observed.
[2] VCCO is the supply voltage associated with the output port.
[3] VCCO + 0.5 V should not exceed 4.6 V.
[4] Above 60 °C the value of Ptot derates linearly with 5.5 mW/K.
[5] Above 70 °C the value of Ptot derates linearly with 1.8 mW/K.
www.D8a.taSheRete4Uc.coommmended operating conditions
Table 5.
Symbol
VCC(A)
VCC(B)
VI
VO
Tamb
∆t/∆V
Recommended operating conditions
Parameter
Conditions
supply voltage A
supply voltage B
input voltage
output voltage
Active mode
Suspend or 3-state mode
ambient temperature
input transition rise and fall rate VCCI = 0.8 V to 3.6 V
[1] VCCO is the supply voltage associated with the output port.
[2] VCCI is the supply voltage associated with the input port.
Min
0.8
0.8
0
[1] 0
0
−40
[2] -
Max
3.6
3.6
3.6
VCCO
3.6
+125
5
Unit
V
V
V
V
V
°C
ns/V
74AVCH16T245_1
Product data sheet
Rev. 01 — 14 October 2009
© NXP B.V. 2009. All rights reserved.
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부품번호 | 상세설명 및 기능 | 제조사 |
74AVCH16T245 | 16-bit Transceiver | NXP Semiconductors |
DataSheet.kr | 2020 | 연락처 | 링크모음 | 검색 | 사이트맵 |