Datasheet > 74LVC8T245-Q100

74LVC8T245-Q100

更新时间： 2024-11-21 01:08:19

品牌	Logo	应用领域
安世 - NEXPERIA		/
页数	文件大小	规格书
28页	808K
描述
8-bit dual supply translating transceiver; 3-state

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74LVC8T245-Q100 数据手册

74LVC8T245-Q100;

74LVCH8T245-Q100

8-bit dual supply translating transceiver; 3-state

Rev. 1 — 21 March 2013

Product data sheet

1. General description

The 74LVC8T245-Q100; 74LVCH8T245-Q100 are 8-bit dual supply translating

transceivers with 3-state outputs that enable bidirectional level translation. They feature

two data input-output ports (pins An and Bn), a direction control input (DIR), an output

enable input (OE) and dual supply pins (V_CC(A)and V_CC(B)). Both V_CC(A)and V_CC(B)can be

supplied at any voltage between 1.2 V and 5.5 V. This flexibility makes the device suitable

for translating between any of the low voltage nodes (1.2 V, 1.5 V, 1.8 V, 2.5 V, 3.3 V and

5.0 V). Pins An, OE and DIR are referenced to V_CC(A)and pins Bn are referenced to

_CC(B). A HIGH on DIR allows transmission from An to Bn and a LOW on DIR allows

transmission from Bn to An. The output enable input (OE) can be used to disable the

outputs so the buses are effectively isolated.

The devices are fully specified for partial power-down applications using I_OFF. The I_OFF

circuitry disables the output, preventing any damaging backflow current through the

device when it is powered down. In suspend mode when either V_CC(A)or V_CC(B)are at

GND level, both A port and B port are in the high-impedance OFF-state.

Active bus hold circuitry in the 74LVCH8T245-Q100 holds unused or floating data inputs

at a valid logic level.

This product has been qualified to the Automotive Electronics Council (AEC) standard

Q100 (Grade 1) and is suitable for use in automotive applications.

2. Features and benefits

 Automotive product qualification in accordance with AEC-Q100 (Grade 1)

 Specified from 40 C to +85 C and from 40 C to +125 C

 Wide supply voltage range:

 V_CC(A): 1.2 V to 5.5 V

 V_CC(B): 1.2 V to 5.5 V

 High noise immunity

 Complies with JEDEC standards:

 JESD8-7 (1.2 V to 1.95 V)

 JESD8-5 (1.8 V to 2.7 V)

 JESD8C (2.7 V to 3.6 V)

 JESD36 (4.5 V to 5.5 V)

12 3 4 5 6 7...28

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