IDT54FCT164245TPVB 반도체 회로 부품 판매점
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V TO 5V TRANSLATOR
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 Integrated Device Technology |
Integrated Device Technology, Inc.
FAST CMOS 16-BIT
BIDIRECTIONAL
3.3V TO 5V TRANSLATOR
IDT54/74FCT164245T
FEATURES:
• 0.5 MICRON CMOS Technology
• Bidirectional interface between 3.3V and 5V busses
• Control inputs can be driven from either 3.3V
or 5V circuits
• ESD >2000V per MIL-STD-883, Method 3015;
>200V using machine model (C = 200pF, R = 0)
• 25 MIL Center SSOP and Cerpack Packages
• Extended commercial range of -40°C to +85°C
• VCC1 = 5V ±10%, VCC2 = 2.7V to 3.6V
• High drive outputs (-32mA IOH, 64mA IOL) on 5V port
• Power-off disable on both ports permits "live insertion"
• Typical VOLP (Output Ground Bounce) < 0.9V at
VCC1 = 5V, VCC2 = 3.3V, TA = 25°C
DESCRIPTION:
The FCT164245T 16-bit 3.3V-to-5V translator is built
using advanced dual metal CMOS technology. This high-
speed, low-power transceiver is designed to interface be-
tween a 3.3V bus and a 5V bus in a mixed 3.3V/5V supply
environment. This enables system designers to interface TTL
compatible 3.3V components with 5V components. The
direction and output enable controls operate these devices as
either two independent 8-bit transceivers or one 16-bit trans-
ceiver. The A port interfaces with the 3.3V bus; the B port
interfaces with the 5V bus. The direction control (xDIR) pin
controls the direction of data flow. The output enable (xOE)
overrides the direction control and disables both ports. These
control signals can be driven from either 3.3V or 5V devices.
The FCT164245T is ideally suited for driving high capaci-
tance loads and low impedance backplanes. The output
buffers are designed with Power-Off Disable capability to
allow "hot insertion" of boards when used as backplane
drivers. They also allow interface between a mixed supply
system and external 5V peripherals.
FUNCTIONAL BLOCK DIAGRAM
1 DIR
1A1
1A2
1A3
1A4
1A5
1A6
1A7
1A8
1OE
1B1
1B2
1B3
1B4
1B5
1B6
1B7
1B8
2555 drw 01
2 DIR
2A1
2A2
2A3
2A4
2A5
2A6
2A7
2A8
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
©1996 IIntegrated Device Technology, Inc.
8.16
2OE
2B1
2B2
2B3
2B4
2B5
2B6
2B7
2B8
2555 drw 02
FEBRUARY 1996
DSC-2555/4
1
IDT54/74FCT164245T
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V-TO-5V TRANSLATOR
PIN CONFIGURATIONS
1DIR
1B1
1B2
GND
1B3
1B4
VCC1
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCC1
2B5
2B6
GND
2B7
2B8
2DIR
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 38
12 SO48-1 37
SO48-2
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
SSOP
TSSOP
TOP VIEW
1OE
1A1
1A2
GND
1A3
1A4
VCC2
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC2
2A5
2A6
GND
2A7
2A8
2OE
1DIR
1B1
1B2
GND
1B3
1B4
VCC1
1B5
1B6
GND
1B7
1B8
2B1
2B2
GND
2B3
2B4
VCC1
2B5
2B6
GND
2B7
2B8
2DIR
2555 drw 03
POWER SUPPLY SEQUENCING
In the IDT54/74FCT164245T the condition of VCC1 ≥
(VCC2 –0.5V) must be maintained at all times. For the range
of VCC1 = (VCC2 –0.5V) to VCC1 = (VCC2 +0.9V), both the A
and B ports will remain in a high impedance state.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
1 48
2 47
3 46
4 45
5 44
6 43
7 42
8 41
9 40
10 39
11 38
12 E48-1 37
13 36
14 35
15 34
16 33
17 32
18 31
19 30
20 29
21 28
22 27
23 26
24 25
CERPACK
TOP VIEW
1OE
1A1
1A2
GND
1A3
1A4
VCC2
1A5
1A6
GND
1A7
1A8
2A1
2A2
GND
2A3
2A4
VCC2
2A5
2A6
GND
2A7
2A8
2OE
2555 drw 04
8.16 2
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IDT54FCT164245TPVB cmos
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관련 데이터시트
IDT54FCT164245TPV
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V TO 5V TRANSLATOR - Integrated Device Technology
IDT54FCT164245TPVB
FAST CMOS 16-BIT BIDIRECTIONAL 3.3V TO 5V TRANSLATOR - Integrated Device Technology