SN74ALVCH16501

Name: SN74ALVCH16501
Brand: TI
SKU: SN74ALVCH16501
Price: 0.74 USD

現行

具有 3 態輸出的 18 位元通用匯流排收發器

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產品規格表

document-pdfAcrobat SN74ALVCH16501 datasheet (Rev. J) (英文)

SN74ALVCH16501

現行

產品規格表

立即訂購

產品詳細資料

Supply voltage (min) (V)

1.65

Supply voltage (max) (V)

3.6

Number of channels

18

IOL (max) (mA)

24

IOH (max) (mA)

-32

Input type

TTL-Compatible CMOS

Output type

3-State

Features

Balanced outputs, Bus-hold, Positive input clamp diode, Ultra high speed (tpd <5ns)

Technology family

ALVC

Rating

Catalog

Operating temperature range (°C)

-40 to 85

Supply voltage (min) (V)

1.65

Supply voltage (max) (V)

3.6

Number of channels

18

IOL (max) (mA)

24

IOH (max) (mA)

-32

Input type

TTL-Compatible CMOS

Output type

3-State

Features

Balanced outputs, Bus-hold, Positive input clamp diode, Ultra high speed (tpd <5ns)

Technology family

ALVC

Rating

Catalog

Operating temperature range (°C)

-40 to 85

SSOP (DL)

56

190.647 mm² 18.42 x 10.35

TSSOP (DGG)

56

113.4 mm² 14 x 8.1

Member of the Texas Instruments Widebus™ Family
UBT™ Transceiver Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, or Clocked Modes
Operates From 1.65 V to 3.6 V
Max t_pd of 3.9 ns at 3.3 V
±24-mA Output Drive at 3.3 V
Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

Widebus, UBT are trademarks of Texas Instruments.

Member of the Texas Instruments Widebus™ Family
UBT™ Transceiver Combines D-Type Latches and D-Type Flip-Flops for Operation in Transparent, Latched, or Clocked Modes
Operates From 1.65 V to 3.6 V
Max t_pd of 3.9 ns at 3.3 V
±24-mA Output Drive at 3.3 V
Bus Hold on Data Inputs Eliminates the Need for External Pullup/Pulldown Resistors
Latch-Up Performance Exceeds 250 mA Per JESD 17
ESD Protection Exceeds JESD 22
- 2000-V Human-Body Model (A114-A)
- 200-V Machine Model (A115-A)

Widebus, UBT are trademarks of Texas Instruments.

This 18-bit universal bus transceiver is designed for 1.65-V to 3.6-V V_CC operation.

Data flow in each direction is controlled by output-enable (OEAB and OEBA)\, latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. For A-to-B data flow, the device operates in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level. If LEAB is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. When OEAB is high, the outputs are active. When OEAB is low, the outputs are in the high-impedance state.

Data flow for B to A is similar to that of A to B, but uses OEBA\, LEBA, and CLKBA. The output enables are complementary (OEAB is active high and OEBA\ is active low).

To ensure the high-impedance state during power up or power down, OEBA\ should be tied to V_CC through a pullup resistor and OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

This 18-bit universal bus transceiver is designed for 1.65-V to 3.6-V V_CC operation.

Data flow in each direction is controlled by output-enable (OEAB and OEBA)\, latch-enable (LEAB and LEBA), and clock (CLKAB and CLKBA) inputs. For A-to-B data flow, the device operates in the transparent mode when LEAB is high. When LEAB is low, the A data is latched if CLKAB is held at a high or low logic level. If LEAB is low, the A data is stored in the latch/flip-flop on the low-to-high transition of CLKAB. When OEAB is high, the outputs are active. When OEAB is low, the outputs are in the high-impedance state.

Data flow for B to A is similar to that of A to B, but uses OEBA\, LEBA, and CLKBA. The output enables are complementary (OEAB is active high and OEBA\ is active low).

To ensure the high-impedance state during power up or power down, OEBA\ should be tied to V_CC through a pullup resistor and OEAB should be tied to GND through a pulldown resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

Active bus-hold circuitry holds unused or undriven inputs at a valid logic state. Use of pullup or pulldown resistors with the bus-hold circuitry is not recommended.

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	類型	標題	日期
*	Data sheet	SN74ALVCH16501 datasheet (Rev. J)	2004年 8月 27日
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	Application note	Benefits & Issues of Migrating 5-V and 3.3-V Logic to Lower-Voltage Supplies (Rev. A)	1999年 9月 8日
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