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參數(shù)資料
| 型號(hào)： | MC145650 |
| 廠商： | Motorola, Inc. |
| 英文描述： | LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH |
| 中文描述： | 低電壓CMOS八路透明鎖存器 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 158K |
| 代理商： | MC145650 |
SEMICONDUCTOR TECHNICAL DATA
1
REV 4
Motorola, Inc. 1996
11/96
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The MC74LCX373 is a high performance, non–inverting octal
transparent latch operating from a 2.7 to 3.6V supply. 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 MC74LCX373 inputs to be
safely driven from 5V devices.
The MC74LCX373 contains 8 D–type latches with 3–state outputs.
When the Latch Enable (LE) input is 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 standard
outputs are controlled by the Output Enable (OE) input. When OE is
LOW, the standard 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
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 (10
μ
A)
Substantially Reduces System Power Requirements
Latchup Performance Exceeds 500mA
ESD Performance: Human Body Model >2000V; Machine Model >200V
Pinout: 20–Lead
(Top View)
19
20
18
17
16
15
14
2
1
3
4
5
6
7
VCC
13
8
12
9
11
10
O7
D7
D6
O6
O5
D5
D4
O4
LE
OE
O0
D0
D1
O1
O2
D2
D3
O3
GND
DW SUFFIX
PLASTIC SOIC
CASE 751D–04
DT SUFFIX
PLASTIC TSSOP
CASE 948E–02
20
1
20
1
M SUFFIX
PLASTIC SOIC EIAJ
CASE 967–01
20
1
SD SUFFIX
PLASTIC SSOP
CASE 940C–03
20
1
PIN NAMES
Function
Output Enable Input
Latch Enable Input
Data Inputs
3–State Latch Outputs
Pins
OE
LE
D0–D7
O0–O7
LOW–VOLTAGE
CMOS OCTAL
TRANSPARENT LATCH
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MC74LCX373 | LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH |
| MC74LCX373SD | LOW-VOLTAGE CMOS OCTAL TRANSPARENT LATCH |
| MC74LCX374 | LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP |
| MC74LCX374 | LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP |
| MC74LCX374DT | LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP |
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| MC14569BCP | 功能描述:計(jì)數(shù)器移位寄存器 3-18V Divide-By-N RoHS:否 制造商:Texas Instruments 計(jì)數(shù)器類型: 計(jì)數(shù)順序:Serial to Serial/Parallel 電路數(shù)量:1 封裝 / 箱體:SOIC-20 Wide 邏輯系列: 邏輯類型: 輸入線路數(shù)量:1 輸出類型:Open Drain 傳播延遲時(shí)間:650 ns 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝:Reel |
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