74VCX16244DT

The 74VCX16244DT belongs to 74VCX16244 family which is an advanced performance, non-inverting 16-bit buffer. The 74VCX16244 is nibble controlled with each nibble functioning identically, but independently. The control pins may be tied together to obtain full 16-bit operation and it is designed for very high-speed, very low-power operation in 1.8 V, 2.5 V or 3.3 V systems. When operating at 2.5 V (or 1.8 V) the part is designed to tolerate voltages it may encounter on either inputs or outputs when interfacing to 3.3 V busses. It is guaranteed to be overvoltage tolerant to 3.6 V. The 3-state outputs are controlled by an Output Enable (OEn) input for each nibble. When OEn is LOW, the outputs are on. When OEn is HIGH, the outputs are in the high impedance state.

The features of 74VCX16244DT can be summarized as (1)designed for low voltage operation: VCC = 1.65 V -3.6 V; (2)3.6 V tolerant inputs and outputs; (3)high speed operation: 2.5 ns max for 3.0 V to 3.6 V, 3.0 ns max for 2.3 V to 2.7 V, 6.0 ns max for 1.65 V to 1.95 V; (4)static drive: ±24 mA drive at 3.0 V, ±18 mA drive at 2.3 V, ±6 mA drive at 1.65 V; (5)supports live insertion and withdrawal; (6)IOFF Specification guarantees high impedance when VCC = 0 V; (7)near zero static supply current in all three logic states (20 A) Substantially reduces system power requirements; (8)latchup performance exceeds ±250 mA @ 125°C; (9)ESD performance: human body model >2000 V; machine model >200 V; (10)all devices in package TSSOP are inherently Pb-Free*.

The absolute maximum ratings of 74VCX16244DT are (1)VCC DC supply voltage: -0.5 to +4.6 V; (2)VI DC input voltage: -0.5 VI +4.6 V; (3)VO DC output voltage -0.5 VO +4.6/-0.5 VO VCC + 0.5 Note 1: output in 3-state v/outputs active V; (4)IIK DC input diode current: -50 (VI < GND) mA; (5)IOK DC output diode current: -50 (VO < GND) mA, +50(VO > VCC )mA; (6)IO DC output source/sink current: ±50 mA; (7)ICC DC supply current per supply pin :±100 mA; (8)IGND DC ground current per ground pin :±100 mA; (9)TSTG storage temperature range: -65 to +150 °C(Maximum ratings are those values beyond which device damage can occur. Maximum ratings applied to the device are individual stress limit values (not normal operating conditions) and are not valid simultaneously. If these limits of the 74VCX16244DT are exceeded, device functional operation is not implied, damage may occur and reliability may be affected. 1. IO absolute maximum rating must be observed.).