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This 16-bit registered transceiver is built using advanced dual metal CMOS technology. This high-speed, low power device is organized as two independent 8-bit D-type registered transceivers with separate input and output control for independent control of data flow in either direction. For example, the A-to-B Enable (CEAB) must be LOW to enter data from the A port. CLKAB controls the clocking function. When CLKAB toggles from LOWto- HIGH, the data present on the A port will be clocked into the register.OEAB performs the output enable function on the B port. Data flow from the B port to A port is similar but requires using CEBA, CLKBA, and OEBA inputs. Full 16-bit operation is achieved by tying the control pins of the independent transceivers together.
All pins can be driven from either 3.3V or 5V devices. This feature allows the use of this device as a translator in a mixed 3.3V/5V supply system.
The LVC16952A has been designed with a ±24mA output driver. This driver is capable of driving a moderate to heavy load while maintaining speed performance
IDT74LVC16952A Maximum Ratings
Symbol
Description
Max
Unit
VTERM
Terminal Voltage with Respect to GND
0.5 to +6.5
V
TSTG
Storage Temperature
65 to +150
°C
IOUT
DC Output Current
50 to +50
mA
IIK IOK
Continuous Clamp Current, VI < 0 or VO < 0
50
mA
ICC ISS
Continuous Current through each VCC or GND
±100
mA
NOTE: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability.
IDT74LVC16952A Features
• Typical tSK(o) (Output Skew) < 250ps • ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) • VCC = 3.3V ± 0.3V, Normal Range • VCC = 2.7V to 3.6V, Extended Range • CMOS power levels (0.4 W typ. static) • All inputs, outputs, and I/O are 5V tolerant • Supports hot insertion • Available in SSOP, TSSOP, and TVSOP packages • High Output Drivers: ±24mA • Reduced system switching noise
IDT74LVC16952A Typical Application
• 5V and 3.3V mixed voltage systems • Data communication and telecommunication systems