74AVCH1T45

更新时间： 2024-11-19 04:00:59

品牌	Logo	应用领域
恩智浦 - NXP		/
页数	文件大小	规格书
22页	797K
描述
Dual supply translating transceiver; 3-state

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74AVCH1T45 数据手册

74AVCH1T45

Dual supply translating transceiver; 3-state

Rev. 01 — 25 October 2007

Product data sheet

1. General description

The 74AVCH1T45 is a single bit, dual supply transceiver that enables bidirectional level

translation. It features two data input-output ports (A and B), a direction control input (DIR)

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 0.8 V and 3.6 V making the device suitable for translating between any of

the low voltage nodes (0.8 V, 1.2 V, 1.5 V, 1.8 V, 2.5 V and 3.3 V). Pins A and DIR are

referenced to V_CC(A)and pin B is referenced to V_CC(B). A HIGH on DIR allows transmission

from A to B and a LOW on DIR allows transmission from B to A.

The device is 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 and B are in the high-impedance OFF-state.

The 74AVCH1T45 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

■ Wide supply voltage range:

◆ V_CC(A): 0.8 V to 3.6 V

◆ V_CC(B): 0.8 V to 3.6 V

■ High noise immunity

■ Complies with JEDEC standards:

◆ JESD8-12 (0.8 V to 1.3 V)

◆ JESD8-11 (0.9 V to 1.65 V)

◆ JESD8-7 (1.2 V to 1.95 V)

◆ JESD8-5 (1.8 V to 2.7 V)

◆ JESD8-B (2.7 V to 3.6 V)

■ ESD protection:

◆ HBM JESD22-A114E Class 3B exceeds 8000 V

◆ MM JESD22-A115-A exceeds 200 V

◆ CDM JESD22-C101C exceeds 1000 V

■ Maximum data rates:

◆ 500 Mbit/s (1.8 V to 3.3 V translation)

◆ 320 Mbit/s (< 1.8 V to 3.3 V translation)

◆ 320 Mbit/s (translate to 2.5 V or 1.8 V)

◆ 280 Mbit/s (translate to 1.5 V)

12 3 4 5 6 7...22

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与74AVCH1T45相关器件

型号	品牌	获取价格	描述	数据表
74AVCH1T45_09	NXP	获取价格	Dual supply translating transceiver; 3-state
74AVCH1T45DBVRE4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DBVRG4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DBVTE4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DBVTG4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DCKRE4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DCKRG4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DCKTE4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45DCKTG4	TI	获取价格	SINGLE-BIT DUAL-SUPPLY BUS TRANSCEIVER WITH CONFIGURABLE VOLTAGE TRANSLATION ND 3-STATE O
74AVCH1T45GM	NXP	获取价格	Dual supply translating transceiver; 3-state

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