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PDF MC74LVQ74 Data sheet ( Hoja de datos )
| Número de pieza | MC74LVQ74 | |
| Descripción | LOW-VOLTAGE CMOS DUAL D-TYPE FLIP-FLOP | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Low-Voltage Quiet CMOS
Dual D-Type Flip-Flop
The MC74LVQ74 is a high performance, dual D–type flip–flop with
asynchronous clear and set inputs and complementary (O, O) outputs. It
operates 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.
The MC74LVQ74 consists of 2 edge–triggered flip–flops with individual
D–type inputs. The flip–flop will store the state of individual D inputs, that
meet the setup and hold time requirements, on the LOW–to–HIGH Clock
(CP) transition.
• Designed for 2.7 to 3.6V VCC Operation – Ideal for Low Power/Low
Noise Applications
• Guaranteed Simultaneous Switching Noise Level and Dynamic
Threshold Performance
• Guaranteed Skew Specifications
• Guaranteed Incident Wave Switching into 75Ω
• Low Static Supply Current (10µA) Substantially Reduces System Power
Requirements
• Latchup Performance Exceeds 500mA
• ESD Performance: Human Body Model >2000V
Pinout: 14–Lead (Top View)
VCC CD2 D2 CP2 SD2 O2 O2
14 13 12 11 10 9 8
MC74LVQ74
LVQ
LOW–VOLTAGE CMOS
DUAL D–TYPE FLIP–FLOP
14
1
14
1
14
1
14
1
D SUFFIX
PLASTIC SOIC
CASE 751A–03
M SUFFIX
PLASTIC SOIC EIAJ
CASE 965–01
SD SUFFIX
PLASTIC SSOP
CASE 940A–03
DT SUFFIX
PLASTIC TSSOP
CASE 948G–01
1234567
CD1 D1 CP1 SD1 O1 O1 GND
PIN NAMES
Pins
Function
CP1, CP2
D1, D2
CD1, CD2
SD1, SD2
On, On
Clock Pulse Inputs
Data Inputs
Direct Clear Inputs
Direct Set Inputs
Outputs
8/97
© Motorola, Inc. 1997
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MC74LVQ74
Dn
ts
CPn
On,
On
50% VCC
th
50% VCC
tw
fmax
tPLH, tPHL
50% VCC
VCC
50% VCC
0V
VCC
0V
VOH
VOL
WAVEFORM 1 – PROPAGATION DELAYS, SETUP AND HOLD TIMES
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
SDn 50% VCC
CDn 50% VCC
tPLH tPHL
On
50% VCC
50% VCC
tPLH
On 50% VCC
tPHL
50% VCC
WAVEFORM 2 – PROPAGATION DELAYS
tR = tF = 2.5ns, 10% to 90%; f = 1MHz; tW = 500ns
VCC
0V
VCC
0V
VOL
VOH
LCX DATA
DataSheetB4RU14.c78om
SDn, CDn 50%VCC
CPn
tw
trec
50% VCC
50% VCC
WAVEFORM 3 – RECOVERY TIME
tR = tF = 2.5ns from 10% to 90%; f = 1MHz; tw = 500ns
Figure 1. AC Waveforms
VCC
0V
VCC
0V
5
MOTOROLA
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet MC74LVQ74.PDF ] | |
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