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參數(shù)資料
| 型號(hào)： | MC145472FE |
| 廠商： | MOTOROLA INC |
| 元件分類： | 數(shù)字傳輸電路 |
| 英文描述： | LOW-VOLTAGE CMOS 16-BIT TRANSPARENT LATCH |
| 中文描述： | DATACOM, DIGITAL SLIC, CQFP68 |
| 封裝： | CERAMIC, QFP-68 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大?。?/td> | 123K |
| 代理商： | MC145472FE |
SEMICONDUCTOR TECHNICAL DATA
1
REV 1
Motorola, Inc. 1996
11/96
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The MC74LCX16373 is a high performance, non–inverting 16–bit
transparent latch operating from a 2.7 to 3.6V supply. The device is byte
controlled. Each byte has separate Output Enable and Latch Enable
inputs. These control pins can be tied together for full 16–bit operation.
High impedance TTL compatible inputs significantly reduce current
loading to input drivers while TTL compatible outputs offer improved
switching noise performance. A VI specification of 5.5V allows
MC74LCX16373 inputs to be safely driven from 5V devices.
The MC74LCX16373 contains 16 D–type latches with 3–state
5V–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, i.e., a latch output will change state each time its D input
changes. When LE is LOW, the latches store 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.
Designed for 2.7 to 3.6V VCC Operation
5.4ns Maximum tpd
5V Tolerant — Interface Capability With 5V TTL Logic
Supports Live Insertion and Withdrawal
IOFF Specification Guarantees High Impedance When VCC = 0V
LVTTL Compatible
LVCMOS Compatible
24mA Balanced Output Sink and Source Capability
Near Zero Static Supply Current in All Three Logic States (20
μ
A)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds 500mA
ESD Performance: Human Body Model >2000V; Machine Model >200V
LOW–VOLTAGE
CMOS 16–BIT
TRANSPARENT LATCH
DT SUFFIX
PLASTIC TSSOP PACKAGE
CASE 1201–01
PIN NAMES
Function
Output Enable Inputs
Latch Enable Inputs
Inputs
Outputs
Pins
OEn
LEn
D0–D15
O0–O15
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC74LCX16373 | LOW-VOLTAGE CMOS 16-BIT TRANSPARENT LATCH |
| MC74LCX16374 | LOW-VOLTAGE CMOS 16-BIT D-TYPE FLIP-FLOP |
| MC74LCX16374 | LOW-VOLTAGE CMOS 16-BIT D-TYPE FLIP-FLOP |
| MC74LCX16374DT | LOW-VOLTAGE CMOS 16-BIT D-TYPE FLIP-FLOP |
| MC74LCX16374DT | LOW-VOLTAGE CMOS 16-BIT D-TYPE FLIP-FLOP |
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