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74ALVCH162245 데이터시트 PDF




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부품번호 74ALVCH162245 기능
기능 3.3V CMOS 16-BIT BUS TRANSCIEVER WITH 3-STATE OUTPUTS AND BUS-HOLD
제조업체 Integrated Device Technology
로고 Integrated Device Technology 로고


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74ALVCH162245 데이터시트, 핀배열, 회로
IDT74ALVCH162245
3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
3.3V CMOS 16-BIT BUS
TRANSCIEVER WITH
3-STATE OUTPUTS
AND BUS-HOLD
INDUSTRIALTEMPERATURERANGE
IDT74ALVCH162245
.EATURES:
• 0.5 MICRON CMOS Technology
• Typical tSK(o) (Output Skew) < 250ps
• ESD > 2000V per MIL-STD-883, Method 3015; > 200V using
machine model (C = 200pF, R = 0)
• VCC = 3.3V ± 0.3V, Normal Range
• VCC = 2.7V to 3.6V, Extended Range
• VCC = 2.5V ± 0.2V
• CMOS power levels (0.4µ W typ. static)
• Rail-to-Rail output swing for increased noise margin
• Available in SSOP, TSSOP, and TVSOP packages
DRIVE .EATURES:
• Balanced Output Drivers: ±12mA (A port)
• High Output Drivers: ±24mA (B port)
APPLICATIONS:
• 3.3V high speed systems
• 3.3V and lower voltage computing systems
DESCRIPTION:
This 16-bit bus transceiver is built using advanced dual metal CMOS
technology. The ALVCH162245 is designed for asynchronous commu-
nication between data buses. The control-function implementation mini-
mizes external timing requirements.
This device can be used as two 8-bit transceivers or one 16-bit
transceiver. It allows data transmission from the A bus to the B bus or from
the B bus to the A bus, depending on the logic level at the direction-control
(DIR) input. The output-enable (OE) input can be used to disable the
device so that the buses are effectively isolated.
The ALVCH162245 has series resistors in the device out-put structure
of the “A” port which will significantly reduce line noise when used with light
loads. This driver has been designed to drive ±12mA at the designated
threshold levels. The “B” port has a ±24mA driver.
The ALVCH162245 has “bus-hold” which retains the inputs’ last state
whenever the input bus goes to a high impedance. This prevents floating
inputs and eliminates the need for pull-up/down resistors.
.UNCTIONAL BLOCK DIAGRAM
1DIR 1
1A1 47
1A2 46
1A3 44
43
1A 4
1A5 41
1A6 40
1A7 38
1A8 37
48
1OE
2 1B1
3 1B2
5 1B3
6
1B 4
8 1B5
9 1B6
11 1B7
12 1B8
2DIR 24
2A1 36
35
2A2
2A3 33
2A4 32
2A5 30
2A6 29
2A7 27
2A8 26
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
INDUSTRIAL TEMPERATURE RANGE
© 1999 Integrated Device Technology, Inc.
1
25
2OE
13 2B1
14 2B2
16 2B3
17 2B4
19 2B5
20 2B6
22 2B7
23 2B8
APRIL 1999
DSC-4748/1




74ALVCH162245 pdf, 반도체, 판매, 대치품
IDT74ALVCH162245
3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
INDUSTRIALTEMPERATURERANGE
OUTPUT DRIVE CHARACTERISTICS (A PORT)
Symbol
Parameter
Test Conditions(1)
VOH Output HIGH Voltage
VCC = 2.3V to 3.6V
IOH = – 0.1mA
VCC = 2.3V
IOH = – 4mA
IOH = – 6mA
VCC = 2.7V
IOH = – 4mA
IOH = – 8mA
VCC = 3V
IOH = – 6mA
IOH = – 12mA
VOL OutputLOWVoltage
VCC = 2.3V to 3.6V
IOL = 0.1mA
VCC = 2.3V
IOL = 4mA
IOL = 6mA
VCC = 2.7V
IOL = 4mA
IOL = 8mA
VCC = 3V
IOL = 6mA
IOL = 12mA
Min. Max. Unit
VCC – 0.2
V
1.9 —
1.7 —
2.2 —
2—
2.4 —
2—
— 0.2 V
— 0.4
— 0.55
— 0.4
— 0.6
— 0.55
— 0.8
NOTE:
1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range.
TA = – 40°C to + 85°C.
OUTPUT DRIVE CHARACTERISTICS (B PORT)
Symbol
Parameter
Test Conditions(1)
VOH Output HIGH Voltage
VCC = 2.3V to 3.6V
IOH = – 0.1mA
VCC = 2.3V
IOH = – 6mA
VCC = 2.3V
IOH = – 12mA
VCC = 2.7V
VCC = 3V
VCC = 3V
IOH = – 24mA
VOL OutputLOWVoltage
VCC = 2.3V to 3.6V
IOL = 0.1mA
VCC = 2.3V
IOL = 6mA
IOL = 12mA
VCC = 2.7V
IOL = 12mA
VCC = 3V
IOL = 24mA
Min. Max. Unit
VCC – 0.2
V
2—
1.7 —
2.2 —
2.4 —
2—
— 0.2 V
— 0.4
— 0.7
— 0.4
— 0.55
NOTE:
1. VIH and VIL must be within the min. or max. range shown in the DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE table for the appropriate VCC range.
TA = – 40°C to + 85°C.
OPERATING CHARACTERISTICS, TA = 25°C
Symbol
CPD
CPD
Parameter
Power Dissipation Capacitance Outputs enabled
Power Dissipation Capacitance Outputs disabled
Test Conditions
CL = 0pF, f = 10Mhz
VCC = 2.5V ± 0.2V
Typical
23
4
VCC = 3.3V ± 0.3V
Typical
30
5
Unit
pF
4

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74ALVCH162245 전자부품, 판매, 대치품
IDT74ALVCH162245
3.3V CMOS 16-BIT BUS TRANSCEIVER WITH 3-STATE OUTPUTS
ORDERING IN.ORMATION
IDT XX ALVC X
Temp. Range Bus-Hold
XX XXX
XX
Family Device Type Package
INDUSTRIALTEMPERATURERANGE
PV Shrink Small Outline Package
PA Thin Shrink Small Outline Package
PF Thin Very Small Outline Package
245 16-Bit Bus Transceiver with 3-State Outputs
162 Double-Density with Resistors, ±12mA (A port)
±24mA (B port)
H Bus-Hold
74 – 40°C to +85°C
CORPORATE HEADQUARTERS
2975 Stender Way
Santa Clara, CA 95054
for SALES:
800-345-7015 or 408-727-6116
fax: 408-492-8674
www.idt.com
for Tech Support:
(408) 654-6459
7

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