參數(shù)資料
型號: IDT74CBTLV16800PV8
廠商: INTEGRATED DEVICE TECHNOLOGY INC
元件分類: 總線收發(fā)器
英文描述: CBTLV/3B SERIES, 10 2-BIT DRIVER, TRUE OUTPUT, PDSO48
封裝: SSOP-48
文件頁數(shù): 1/5頁
文件大小: 70K
代理商: IDT74CBTLV16800PV8
1
INDUSTRIALTEMPERATURERANGE
IDT74CBTLV16800
LOW-VOLTAGE 20-BIT BUS SWITCH WITH PRECHARGED OUTPUTS
AUGUST 2002
2002 Integrated Device Technology, Inc.
DSC-5886/8
c
INDUSTRIAL TEMPERATURE RANGE
APPLICATIONS:
3.3V High Speed Bus Switching and Bus Isolation
FEATURES:
5
Ω
Ω A/B bi-directional switch
Isolation Under Power-Off Conditions
Over-voltage tolerant
Latch-up performance exceeds 100mA
VCC = 2.3V - 3.6V, normal range
ESD >2000V per MIL-STD-883, Method 3015; >200V using
machine model (C = 200pF, R = 0)
Available in SSOP, TSSOP, and TVSOP packages
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
2
12
1A1
1A10
46
36
SW
1B1
1B10
BIASV
1
1OE
48
24
2A1
2A10
35
25
SW
2B1
2B10
2OE
1
13
IDT74CBTLV16800
FUNCTIONAL BLOCK DIAGRAM
LOW-VOLTAGE 20-BIT
BUS SWITCH WITH
PRECHARGED OUTPUTS
DESCRIPTION:
The CBTLV16800 provides 20-bits of high-speed bus switching with low
on-state resistance of the switch allowing connections to be made with
minimal propagation delay. The device also precharges the B port to a
user-selectable bias voltage (BIASV) to minimize live-insertion noise.
The CBTLV16800 is organized as dual 10-bit bus switches with two
different output-enable (
OE) control inputs. When OE is low, the corre-
sponding 10-bit bus switch is on and port A is connected to port B. When
OE is high, the switch is open, and a high impedance state exists between
the two ports, and port B is precharged to BIASV through the equivalent
of a 10-k
Ω resistor.
To ensure the high-impedance state during power up or power down,
OE should be tied to VCC through a pullup resistor; the minimum value of
the resistor is determined by the current-sinking capability of the driver.
OE
A
B
SIMPLIFIED SCHEMATIC, EACH
SWITCH
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