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The FCT162H952T 16-bit registered transceiver is built using advanced dual metal CMOS technology. These high-speed, low-power devices are 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 (xCEAB) must be low to enter data from the A port. xCLKAB controls the clocking function. When xCLKAB toggles from low-to-high, the data present on the A port will be clocked into the register. xOEAB performs the output enable function on the B port. Data flow from the B port to A port is similar but requires using xCEBA, xCLKBA, and xOEBA inputs. Full 16-bit operation is achieved by tying the control pins of the independent transceivers together.
The FCT162H952T has "Bus Hold" which retains the input's last state whenever the input goes to high impedance. This prevents "floating" inputs and eliminates the need for pull-up/down resistors.
IDT74FCT162H952CT Maximum Ratings
Symbol
Description
Max
Unit
VTERM(2)
Terminal Voltage with Respect to GND
0.5 to +7
V
VTERM(3)
Terminal Voltage with Respect to GND
0.5 to VCC+0.5
V
TSTG
Storage Temperature
65 to +150
°C
IOUT
DC Output Current
60 to +120
mA
NOTES: 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. 2. All device terminals except FCT162XXX Output and I/O terminals. 3. Output and I/O terminals for FCT162XXX.
IDT74FCT162H952CT Features
• 0.5 MICRON CMOS Technology • High-speed, low-power CMOS replacement for ABT functions • Typical tSK(o) (Output Skew) < 250ps • Low input and output leakage 1A (max.) • ESD > 2000V per MIL-STD-883, Method 3015; > 200V using machine model (C = 200pF, R = 0) • Bus Hold retains last active bus state during 3-state • Eliminates the need for external pull up resistors • Available in SSOP and TSSOP packages