CY74FCT162245ATPVC ,16-Bit Bus Transceivers with 3-State OutputsFunctional Description• I supports partial-power-down mode operation These 16-bit transceivers are ..
CY74FCT162245ATPVC ,16-Bit Bus Transceivers with 3-State OutputsMaximum RatingsPin Description(Above which the useful life may be impaired. For userName Descriptio ..
CY74FCT162245ATPVC ,16-Bit Bus Transceivers with 3-State OutputsFeatures:The CY74FCT16245T is ideally suited for driving• 64 mA sink current, 32 mA source currenth ..
CY74FCT162245CTPVC ,16-Bit Bus Transceivers with 3-State OutputsBlock Diagrams CY74FCT16245T,CY74FCT162245T,Pin ConfigurationCY74FCT162H245TSSOP/TSSOPTop ViewDIR D ..
CY74FCT162245CTPVC ,16-Bit Bus Transceivers with 3-State OutputsFeatures:need for external terminating resistors and provides for mini-• Balanced output drivers: 2 ..
CY74FCT162245TPVC ,16-Bit Bus Transceivers with 3-State Outputs1CY74FCT16445T/2H245TData sheet acquired from Cypress Semiconductor Corporation.CY74FCT16245TData s ..
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CY74FCT162245ATPVC-CY74FCT162245CTPVC-CY74FCT162245TPVC
16-Bit Bus Transceivers with 3-State Outputs
1CY74FCT16445T/2
H245T
Features Ioff supports partial-power-down mode operation Edge-rate control circuitry for significantly improved
noise characteristics Typical output skew < 250 ps ESD > 2000V TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)
packages Industrial temperature range of –40˚C to +85˚C VCC = 5V ± 10%
CY74FCT16245T Features:
64 mA sink current, 32 mA source current Typical VOLP (ground bounce)<1.0V at VCC = 5V,
TA = 25˚CCY74FCT162245T Features:
Balanced output drivers: 24 mA Reduced system switching noise Typical VOLP (ground bounce) <0.6V at VCC = 5V,
TA= 25˚CCY74FCT162H245T Features:
Bus hold on data inputs Eliminates the need for external pull-up or pull-down
resistors
Functional DescriptionThese 16-bit transceivers are designedfor usein bidirectional
synchronous communication between two buses, where high
speed and low power are required. With the exceptionof the
CY74FCT16245T, these devices canbe operated eitheras
two independent octalsora single 16-bit transceiver. Direction data flowis controlledby (DIR), the Output Enable (OE)
transfers data when LOW and isolatesthe buses when HIGH.
This device is fully specified for partial-power-down
applications using Ioff. TheIoff circuitry disables the outputs,
preventing damaging current backflow through the device
when it is powered down.
The CY74FCT16245T is ideally suited for driving
high-capacitance loads and low-impedance backplanes.
The CY74FCT162245T has 24-mA balanced output drivers
with current limiting resistorsin the outputs. This reduces the
needfor external terminating resistors and providesfor mini-
mal undershoot and reduced ground bounce. The
CY74FCT162245T is ideal for driving transmission lines.
The CY74FCT162H245Tis a24-mA balanced output part that
has bus holdon the data inputs. The device retains the input’s
last state whenever the input goesto high impedance. This
eliminates the needfor pull-up/down resistors and prevents
floating inputs.
