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74VCX162839MTDX Datasheet

  • 74VCX162839MTDX

  • Buffer/Flip-Flop

  • 75.86KB

  • 7頁(yè)

  • ETC

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74VCX162839 Low Voltage 20-Bit Selectable Register/Buffer with 3.6V Tolerant Inputs/Outputs and 26鈩?Series
Resistors in the Outputs
March 1998
Revised December 2000
74VCX162839
Low Voltage 20-Bit Selectable Register/Buffer
with 3.6V Tolerant Inputs/Outputs
and 26
鈩?/div>
Series Resistors in the Outputs
General Description
The VCX162839 contains twenty non-inverting selectable
buffered or registered paths. The device can be configured
to operate in a registered, or flow through buffer mode by
utilizing the register enable (REGE) and Clock (CLK) sig-
nals. The device operates in a 20-bit word wide mode. All
outputs can be placed into 3-STATE through use of the OE
pin. These devices are ideally suited for buffered or regis-
tered 168 pin and 200 pin SDRAM DIMM memory mod-
ules.
The 74VCX162839 is designed for low voltage (1.65V to
3.6V) V
CC
applications with I/O compatibility up to 3.6V.
The 74VCX162839 is also designed with 26
鈩?/div>
series resis-
tors in the outputs. This design reduces line noise in appli-
cations such as memory address drivers, clock drivers, and
bus transceivers/transmitters.
The 74VCX162839 is fabricated with an advanced CMOS
technology to achieve high speed operation while maintain-
ing low CMOS power dissipation.
Features
s
Compatible with PC100 and PC133 DIMM module
specifications
s
1.65V鈥?.6V V
CC
supply operation
s
3.6V tolerant inputs and outputs
s
26
鈩?/div>
series resistors in the outputs
s
t
PD
(CLK to O
n
)
4.1 ns max for 3.0V to 3.6V V
CC
5.8 ns max for 2.3V to 2.7V V
CC
9.8 ns max for 1.65V to 1.95V V
CC
s
Power-off high impedance inputs and outputs
s
Supports live insertion and withdrawal (Note 1)
s
Static Drive (I
OH
/I
OL
)
鹵
12 mA @ 3.0V V
CC
鹵
8 mA @ 2.3V V
CC
鹵
3 mA @ 1.65V V
CC
s
Uses patented noise/EMI reduction circuitry
s
Latch-up performance exceeds 300 mA
s
ESD performance:
Human body model
>
2000V
Machine model
>
200V
Note 1:
To ensure the high-impedance state during power up or power
down, OE should be tied to V
CC
through a pull-up resistor; the minimum
value of the resistor is determined by the current-sourcing capability of the
driver.
Ordering Code:
Order Number
74VCX162839MTD
Package Number
MTD56
Package Description
56-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 6.1mm Wide
Devices also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Logic Symbol
Pin Descriptions
Pin Names
OE
I
0
鈥揑
19
O
0
鈥揙
19
CLK
REGE
Description
Output Enable Input (Active LOW)
Inputs
Outputs
Clock Input
Register Enable Input
漏 2000 Fairchild Semiconductor Corporation
DS500127
www.fairchildsemi.com

74VCX162839MTDX 產(chǎn)品屬性

  • 1,000

  • 集成電路 (IC)

  • 邏輯 - 移位寄存器

  • 74VCX

  • 復(fù)用寄存器

  • 標(biāo)準(zhǔn)

  • 1

  • 20

  • 通用

  • 1.65 V ~ 3.6 V

  • -40°C ~ 85°C

  • 表面貼裝

  • 56-TFSOP（0.240"，6.10mm 寬）

  • 56-TSSOP

  • 帶卷 (TR)

74VCX162839MTDX相關(guān)型號(hào)PDF文件下載

  • 型號(hào)
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