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| 型号： | 74VCXH16373 |
| 厂商： | ON SEMICONDUCTOR |
| 英文描述： | Low-Voltage 1.8/2.5/3.3V 16-Bit Transparent Latch With 3.6 V-Tolerant Inputs and Outputs (3-State, Non-Inverting)(低压1.8/2.5/3.3V,3.6V容限输入和输出,16位透明锁存器(3态,同相)) |
| 中文描述： | 低电压1.8/2.5/3.3V 16位透明锁存器与3.6 V的电压容限输入和输出（三态，非反相）（低压1.8/2.5/3.3V，3.6V的容限输入和输出，16位透明锁存器（三态，同相）） |
| 文件页数： | 1/12页 |
| 文件大小： | 147K |
| 代理商： | 74VCXH16373 |
Semiconductor Components Industries, LLC, 2001
January, 2001 – Rev. 1
1
Publication Order Number:
74VCXH16373/D
74VCXH16373
Low-Voltage 1.8/2.5/3.3V
16-Bit Transparent Latch
With 3.6V–Tolerant Inputs and Outputs
(3–State, Non–Inverting)
The 74VCXH16373 is an advanced performance, non–inverting
16–bit transparent latch. It is designed for very high–speed, very
low–power operation in 1.8V, 2.5V or 3.3V systems. The
VCXH16373 is byte controlled, with each byte functioning
identically, but independently. Each byte has separate Output Enable
and Latch Enable inputs. These control pins can be tied together for
full 16–bit operation.
When operating at 2.5V (or 1.8V) the part is designed to tolerate
voltages it may encounter on either inputs or outputs when interfacing
to 3.3V busses. It is guaranteed to be over–voltage tolerant to 3.6V.
The 74VCXH16373 contains 16 D–type latches with 3–state
3.6V–tolerant outputs. When the Latch Enable (LEn) inputs are
HIGH, data on the Dn inputs enters the latches. In this condition, the
latches are transparent, (a latch output will change state each time its D
input changes). When LE is LOW, the latch stores the information that
was present on the D inputs a setup time preceding the
HIGH–to–LOW transition of LE. The 3–state outputs are controlled
by the Output Enable (OEn) inputs. When OE is LOW, the outputs are
enabled. When OE is HIGH, the standard outputs are in the high
impedance state, but this does not interfere with new data entering into
the latches. The data inputs include active bushold circuitry,
eliminating the need for external pull–up resistors to hold unused or
floating inputs at a valid logic state.
Designed for Low Voltage Operation: V
CC
= 1.65–3.6V
3.6V Tolerant Inputs and Outputs
High Speed Operation:
3.0ns max for 3.0 to 3.6V
3.9ns max for 2.3 to 2.7V
6.8ns max for 1.65 to 1.95V
Static Drive:
±
24mA Drive at 3.0V
±
18mA Drive at 2.3V
±
6mA Drive at 1.65V
Supports Live Insertion and Withdrawal
Includes Active Bushold to Hold Unused or Floating Inputs at a Valid
Logic State
I
OFF
Specification Guarantees High Impedance When V
CC
= 0V
Near Zero Static Supply Current in All Three Logic States (20
μ
A)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds
±
250mA @ 125
°
C
ESD Performance: Human Body Model >2000V; Machine Model
>200V
NOTE:
To ensure the outputs activate in the 3–state condition, the output
enable pins should be connected to V
CC
through a pull–up resistor. The
value of the resistor is determined by the current sinking capability of the
output connected to the OE pin.
http://onsemi.com
MARKING DIAGRAM
A
WL = Wafer Lot
YY
= Year
WW = Work Week
= Assembly Location
TSSOP–48
DT SUFFIX
CASE 1201
1
48
74VCXH16373DT
AWLYYWW
1
48
Device
Package
Shipping
ORDERING INFORMATION
74VCXH16373DT
TSSOP
39 / Rail
74VCXH16373DTR
TSSOP
2500 / Reel
PIN NAMES
Function
Output Enable Inputs
Latch Enable Inputs
Inputs
Outputs
Pins
OEn
LEn
D0–D15
O0–O15
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相关代理商/技术参数 |
参数描述 |
|---|---|
| 74VCXH16373/D | 制造商:未知厂家 制造商全称:未知厂家 功能描述:Low-Voltage 1.8/2.5/3.3V 16-Bit Transceiver |
| 74VCXH16373DT | 制造商:ON Semiconductor 功能描述:Latch Transparent 3-ST 16-CH D-Type 48-Pin TSSOP Rail 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| 74VCXH16373DTR | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| 74VCXH16373DTRG | 制造商:ONSEMI 制造商全称:ON Semiconductor 功能描述:Low−Voltage 1.8/2.5/3.3 V 16−Bit Transparent Latch |
| 74VCXH16373G | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:Low Voltage 16-Bit Transparent Latch with Bushold |
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