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參數(shù)資料
| 型號： | MC74LCX574SD |
| 廠商： | MOTOROLA INC |
| 元件分類： | 通用總線功能 |
| 英文描述： | LOW-VOLTAGE CMOS OCTAL D-TYPE FLIP-FLOP |
| 中文描述： | LVC/LCX/Z SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDSO20 |
| 封裝： | PLASTIC, SSOP-20 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大小： | 159K |
| 代理商： | MC74LCX574SD |
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1
REV 2
Motorola, Inc. 1996
9/95
Low-Voltage CMOS
Octal D-Type Flip-Flop
Flow Through Pinout
With 5V-Tolerant Inputs and Outputs
(3-State, Non-Inverting)
The MC74LCX574 is a high performance, non–inverting octal D–type
flip–flop 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 MC74LCX574 inputs to be
safely driven from 5V devices.
The MC74LCX574 consists of 8 edge–triggered flip–flops with
individual D–type inputs and 3–state true outputs. The buffered clock and
buffered Output Enable (OE) are common to all flip–flops. The eight
flip–flops will store the state of individual D inputs that meet the setup and
hold time requirements on the LOW–to–HIGH Clock (CP) transition. With
the OE LOW, the contents of the eight flip–flops are available at the
outputs. When the OE is HIGH, the outputs go to the high impedance
state. The OE input level does not affect the operation of the flip–flops.
The LCX574 flow through design facilitates easy PC board layout.
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 (10A)
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
34567
VCC
13
8
12
9
11
10
O0
O1
O2
O3
O4
O5
O6
O7
CP
OE
D0
D1
D2
D3
D4
D5
D6
D7
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
Clock Pulse Input
Data Inputs
3–State Outputs
Pins
OE
CP
D0–D7
O0–O7
MC74LCX574
LOW–VOLTAGE CMOS
OCTAL D–TYPE FLIP–FLOP
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