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CY74FCT16646ATPVC Datasheet

  • CY74FCT16646ATPVC

  • Texas Instruments [16-Bit Registered Transceivers]

  • TI

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Data sheet acquired from Cypress Semiconductor Corporation.
Data sheet modi鏗乪d to remove devices not offered.
CY74FCT16646T
CY74FCT162646T
SCCS060 - August 1994 - Revised March 2000
16-Bit Registered Transceivers
Functional Description
The CY74FCT16646T and CY74FCT162646T 16-bit
transceivers are three-state, D-type registers, and control
circuitry arranged for multiplexed transmission of data directly
from the input bus or from the internal registers. Data on the A
or B bus will be clocked into the registers as the appropriate
clock pin goes to a HIGH logic level. Output Enable (OE) and
direction pins (DIR) are provided to control the transceiver
function. In the transceiver mode, data present at the high
impedance port may be stored in either the A or B register, or
in both. The select controls can multiplex stored and real-time
(transparent mode) data. The direction control determines
which bus will receive data when the Output Enable (OE) is
Active LOW. In the isolation mode (Output Enable (OE) HIGH),
A data may be stored in the B register and/or B data may be
stored in the A register. The output buffers are designed with
a power-off disable feature that allows live insertion of boards.
The CY74FCT16646T is ideally suited for driving
high-capacitance loads and low-impedance backplanes.
The CY74FCT162646T has 24-mA balanced output drivers
with current limiting resistors in the outputs. This reduces the
need for external terminating resistors and provides for
minimal undershoot and reduced ground bounce. The
CY74FCT162646T is ideal for driving transmission lines.
Features
鈥?FCT-E speed at 3.8 ns
鈥?Power-off disable outputs permits live insertion
鈥?Edge-rate control circuitry for signi鏗乧antly improved
noise characteristics
鈥?Typical output skew < 250 ps
鈥?ESD > 2000V
鈥?TSSOP (19.6-mil pitch) and SSOP (25-mil pitch)
packages
鈥?Industrial temperature range of
鈭?0藲C
to +85藲C
鈥?V
CC
= 5V
鹵
10%
CY74FCT16646T Features:
鈥?64 mA sink current, 32 mA source current
鈥?Typical V
OLP
(ground bounce) <1.0V at V
CC
= 5V,
T
A
= 25藲C
CY74FCT162646T Features:
鈥?Balanced 24 mA output drivers
鈥?Reduced system switching noise
鈥?Typical V
OLP
(ground bounce) <0.6V at V
CC
= 5V,
T
A
= 25藲C
Logic Block Diagrams
1OE
1DIR
1CLKBA
1SBA
1CLKAB
1SAB
B REG
D
C
2A1
1A1
A REG
D
C
1B1
2OE
2DIR
2CLKBA
2SBA
2CLKAB
2SAB
B REG
D
C
A REG
D
C
2B1
TO 7 OTHER CHANNELS
TO 7 OTHER CHANNELS
FCT16646-1
FCT16646-2
Copyright
漏
2000, Texas Instruments Incorporated

CY74FCT16646ATPVC PDF文件相關(guān)型號

CY74FCT16646CTPVCT

CY74FCT16646ATPVC 產(chǎn)品屬性

  • 20

  • 集成電路 (IC)

  • 邏輯 - 緩沖器，驅(qū)動器，接收器，收發(fā)器

  • 74FCT

  • 寄存收發(fā)器，非反相

  • 2

  • 8

  • 32mA，64mA

  • 4.5 V ~ 5.5 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 56-BSSOP（0.295"，7.50mm 寬）

  • 56-SSOP

  • 管件

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