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Function, Pinout, and Drive Compatible

With FCT, F, and AM29827 Logic

Reduced VOH (Typically = 3.3 V) Versions

of Equivalent FCT Functions

Edge-Rate Control Circuitry for

Significantly Improved Noise

Characteristics

Ioff Supports Partial-Power-Down Mode

Operation

ESD Protection Exceeds JESD 22

– 2000-V Human-Body Model (A114-A)

– 200-V Machine Model (A115-A)

– 1000-V Charged-Device Model (C101)

3-State Outputs

Matched Rise and Fall Times

Fully Compatible With TTL Input and

Output Logic Levels

CY54FCT827T

– 32-mA Output Sink Current

– 12-mA Output Source Current

CY74FCT827T

– 64-mA Output Sink Current

– 32-mA Output Source Current

description

The ’FCT827T devices are 10-bit bus drivers that

provide high-performance bus-interface buffering

for wide data/address paths or buses carrying

parity. The 10-bit buffers have NANDed output

enables for maximum control flexibility. The

’FCT827T devices are designed for

high-capacitance-load drive capability, while

providing low-capacitance bus loading at both

inputs and outputs. All outputs are designed for

low-capacitance bus loading in the

high-impedance state.

This device is fully specified for partial-power-down applications using Ioff. The Ioff circuitry disables the outputs,

preventing damaging current backflow through the device when it is powered down.