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參數(shù)資料
| 型號(hào)： | CY74FCT16652CTPVCR |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, DUAL 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO56 |
| 封裝： | 0.300 INCH, 0.635 MM PITCH, GREEN, PLASTIC, SSOP-56 |
| 文件頁(yè)數(shù)： | 1/16頁(yè) |
| 文件大?。?/td> | 303K |
| 代理商： | CY74FCT16652CTPVCR |
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16-Bit Registered Transceivers
CY74FCT16652T
CY74FCT162652T
Data sheet acquired from Cypress Semiconductor Corporation.
Data sheet modied to remove devices not offered.
SCCS061B - July 1994 - Revised September 2001
Copyright
2001, Texas Instruments Incorporated
1CY74FCT162652T
Features
Ioff supports partial-power-down mode operation
Edge-rate control circuitry for signicantly 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
40C to +85C
VCC = 5V ± 10%
CY74FCT16652T Features:
64 mA sink current, 32 mA source current
Typical VOLP (ground bounce) <1.0V at VCC = 5V,
TA = 25C
CY74FCT162652T Features:
Balanced 24 mA output drivers
Reduced system switching noise
Typical VOLP (ground bounce) <0.6V at VCC = 5V,
TA= 25C
Functional Description
These 16-bit, high-speed, low-power, registered transceivers
that are organized as two independent 8-bit bus transceivers
with three-state D-type registers and control circuitry arranged
for multiplexed transmission of data directly from the input bus
or from the internal storage registers. OEAB and OEBA control
pins are provided to control the transceiver functions. SAB and
SBA control pins are provided to select either real-time or
stored data transfer.
Data on the A or B data bus, or both, can be stored in the
internal D ip-ops by LOW-to-HIGH transitions at the
appropriate clock pins (CLKAB or CLKBA), regardless of the
select or enable control pins. When SAB and SBA are in the
real-time transfer mode, it is also possible to store data without
using the internal D-type ip-ops by simultaneously enabling
OEAB and OEBA. In this conguration, each output reinforces
its input. Thus, when all other data sources to the two sets of
bus lines are at high impedance, each set of bus lines will
remain at its last state.
This
device
is
fully
specied
for
partial-power-down
applications using Ioff. The Ioff circuitry disables the outputs,
preventing damaging current backow through the device
when it is powered down.
The
CY74FCT16652T
is
ideally
suited
for
driving
high-capacitance loads and low-impedance backplanes.
The CY74FCT162652T 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
CY74FCT162652T is ideal for driving transmission lines.
TO 7 OTHER CHANNELS
1OEAB
C
D
1A1
1OEBA
1CLKBA
1CLKAB
1SBA
B REG
C
D
A REG
1B1
1SAB
FCT16652-1
2OEAB
2SAB
2OEBA
2CLKBA
2CLKAB
2SBA
2B1
2A1
C
D
B REG
C
D
A REG
TO 7 OTHER CHANNELS
FCT16652-2
Logic Block Diagrams
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| CY74FCT16652CTPVCT | 功能描述:總線收發(fā)器 16B Bus Xceiver and Reg RoHS:否 制造商:Fairchild Semiconductor 邏輯類型:CMOS 邏輯系列:74VCX 每芯片的通道數(shù)量:16 輸入電平:CMOS 輸出電平:CMOS 輸出類型:3-State 高電平輸出電流:- 24 mA 低電平輸出電流:24 mA 傳播延遲時(shí)間:6.2 ns 電源電壓-最大:2.7 V, 3.6 V 電源電壓-最小:1.65 V, 2.3 V 最大工作溫度:+ 85 C 封裝 / 箱體:TSSOP-48 封裝:Reel |
| CY74FCT16652ETPAC | 制造商:TI 制造商全稱:Texas Instruments 功能描述:16-Bit Registered Transceivers |
| CY74FCT16652ETPACT | 制造商:TI 制造商全稱:Texas Instruments 功能描述:16-Bit Registered Transceivers |
| CY74FCT16652ETPVC | 制造商:Rochester Electronics LLC 功能描述:- Bulk 制造商:Cypress Semiconductor 功能描述: |
| CY74FCT16652ETPVCT | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
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