SN74GTLP817 Selling Leads, Price trend, SN74GTLP817 DataSheet download, circuit diagram from SeekIC.com

PinoutSpecificationsSupply voltage range, VCC .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V Input voltage range, VI (see Note 1). . . . . . . . . . . .. . . . . . .. . . . . .. . . . . .. . . . . .. .. . . . . 0.5 V to7 VVoltage range ...

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SeekIC No. : 004498871 Detail

SN74GTLP817: PinoutSpecificationsSupply voltage range, VCC .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V Input voltage range, VI (see Note 1). . . ....

SN74GTLP817 Data Sheet

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Part Number:: SN74GTLP817
Supply Ability:: 5000

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Specifications

Supply voltage range, V_CC .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 4.6 V
Input voltage range, V_I(see Note 1). . . . . . . . . . . .. . . . . . .. . . . . .. . . . . .. . . . . .. . . . . . . 0.5 V to7 V
Voltage range applied to any output in the high or power-off state, V_O
   (see Note 1): A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.5 V to 7 V
                         B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . 0.5 V to 4.6 V
Voltage range applied to any output in the high or low state, V_O
   (see Note 1): A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to V_CC + 0.5 V
                         B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 V to 4.6 V
Current into any output in the low state, I_O: A port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .24 mA
                                                                       B port . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 mA
Current into any A-port output in the high state, I_O (see Note 2) . . . . . . . . . . . . . . . . . . . . .. . .   .24mA
Continuous current through each V_CC or GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... . . ±100 mA
Input clamp current, I_IK (V_I< 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . . . . . .50 mA
Output clamp current, I_OK (V_O < 0) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50 mA
Package thermal impedance, _JA (see Note 3): DGV package . . . . . . . . . . . . . . . . . . . . . . . . . . . 86°C/W
                                                                          DW package . . . . . . . . . . . . . . . . . . . . . . . . .. . . 46°C/W
                                                                          PW package . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88°C/W
Storage temperature range, T_stg . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. .. . 65°C to 150°C

Description

The SN74GTLP817 is a low-drive fanout driver that provides LVTTL-to-GTL+ and GTL+-to-LVTTL signal-level translation. It is partitioned as two 8-bit transceivers and allows for transparent, latched, and clocked modes of data transfer similar to the '16501 function. The device provides a high-speed interface between cards operating at LVTTL logic levels and a backplane operating at GTL+ signal levels. High-speed (about two times faster than standard LVTTL or TTL) backplane operation is a direct result of GTLP's reduced output swing (<1 V), reduced input threshold levels, improved differential input, and output edge control (OEC^TM). Improved GTLP OEC circuits minimize bus settling time and have been designed and tested using several backplane models. The high drive is suitable for driving double-terminated low-impedance backplanes .

GTL+ is the Texas Instruments derivative of the Gunning transceiver logic (GTL) JEDEC standard JESD 8-3. The AC specification of the SN74GTLP817 is given only at the preferred higher noise margin GTL+, but the user has the flexibility of using this device at either GTL (V_TT = 1.2 V and V_REF= 0.8 V) or GTL+ (V_TT = 1.5 V and V_REF = 1 V) signal levels.

Normally, the SN74GTLP817 B port operates at GTL or GTL+ levels, while the A-port and control inputs are compatible with LVTTL logic levels and are 5-V tolerant. V_REF is the reference input voltage for the B port.

GNDT is the SN74GTLP817 TTL output ground, while GNDG is the GTL+ output ground, and both should be separated from each other for a quieter device.

This SN74GTLP817 device is fully specified for live-insertion applications using Ioff, power-up 3-state, and BIAS V_CC. The Ioff circuitry disables the outputs, preventing damaging current backflow through the device when it is powered down. The power-up 3-state circuitry places the outputs in the high-impedance state during power up and power down, which prevents driver conflict.

This SN74GTLP817 device features adjustable edge-rate control (ERC). Changing the ERC input voltage between GND and V_CCadjusts the B-port output rise and fall times. This allows the designer to optimize system data-transfer rate and signal integrity to the backplane load.

When V_CC SN74GTLP817 is between 0 and 1.5 V, the device is in the high-impedance state during power up or power down. However, to ensure the high-impedance state above 1.5 V, the output-enable (OE) input should be tied to V_CC through a pullup resistor; the minimum value of the resistor is determined by the current-sinking capability of the driver.

The SN74GTLP817 is characterized for operation from 40°C to 85°C.

SN74GTLP817

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