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74LVT162373DGG 데이터시트(PDF) 2 Page - NXP Semiconductors |
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2 / 12 page Philips Semiconductors Product specification 74LVT162373 3.3 V LVT 16-bit transparent D-type latch with 30 Ω termination resistors (3-State) 2 1999 Sep 23 853-2172 22406 FEATURES • 16-bit transparent latch • 3-State buffers • Output capability: +12 mA / –12 mA • TTL input and output switching levels • Input and output interface capability to systems at 5 V supply • Bus-hold data inputs eliminate the need for external pull-up resistors to hold unused inputs • Live insertion/extraction permitted • Outputs include series resistance of 30 Ω making external resistors unnecessary • Power-up reset • Power-up 3-State • No bus current loading when output is tied to 5 V bus • Latch-up protection exceeds 500 mA per JEDEC Std 17 • ESD protection exceeds 2000 V per MIL STD 883 Method 3015 and 200 V per Machine Model DESCRIPTION The 74LVT162373 is a high-performance BiCMOS product designed for VCC operation at 3.3 V. This device is a 16-bit transparent D-type latch with non-inverting 3-State bus compatible outputs. The device can be used as two 8-bit latches or one 16-bit latch. When Latch Enable (LE) input is High, the Q outputs follow the data (D) inputs. When Latch Enable is taken Low, the Q outputs are latched at the levels of the D inputs one setup time prior to the High-to-Low transition. The 74LVT162373 is designed with 30 Ω series resistance in both the High and Low states of the output. This design reduces the noise in applications such as memory address drivers, clock drivers, and bus receivers/transmitters. QUICK REFERENCE DATA SYMBOL PARAMETER CONDITIONS Tamb = 25 °C TYPICAL UNIT tPLH tPHL Propagation delay nDx to nQx CL = 50 pF; VCC = 3.3 V 3.0 ns CIN Input capacitance VI = 0 V or 3.0 V 3 pF COUT Output capacitance Outputs disabled; VO = 0 V or 3.0 V 9 pF ICCZ Total supply current Outputs disabled; VCC = 3.6 V 70 µA ORDERING INFORMATION PACKAGES TEMPERATURE RANGE ORDERING CODE DWG NUMBER 48-Pin Plastic SSOP Type III –40 °C to +85 °C 74LVT162373 DL SOT370-1 48-Pin Plastic TSSOP Type II –40 °C to +85 °C 74LVT162373 DGG SOT362-1 |
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