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PDF MC74LCX16374 Data sheet ( Hoja de datos )
| Número de pieza | MC74LCX16374 | |
| Descripción | LOW-VOLTAGE CMOS 16-BIT D-TYPE FLIP-FLOP | |
| Fabricantes | ON Semiconductor | |
| Logotipo |  |
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MC74LCX16374
Low−Voltage CMOS 16−Bit
D−Type Flip−Flop
With 5 V−Tolerant Inputs and Outputs
(3−State, Non−Inverting)
The MC74LCX16374 is a high performance, non−inverting 16−bit
D−type flip−flop operating from a 2.3 V to 3.6 V supply. The device is
byte controlled. Each byte has separate Output Enable and Clock Pulse
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 5.5 V allows
MC74LCX16374 inputs to be safely driven from 5.0 V devices.
The MC74LCX16374 consists of 16 edge−triggered flip−flops with
individual D−type inputs and 5.0 V−tolerant 3−state true outputs. The
buffered clocks (CPn) and buffered Output Enables (OEn) are common
to all flip−flops within the respective byte. The 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 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.
Features
www.DataSheet4U.com
• Designed for 2.3 to 3.6 V VCC Operation
• 6.2 ns Maximum tpd
• 5.0 V Tolerant − Interface Capability With 5.0 V TTL Logic
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0 V
• LVTTL Compatible
• LVCMOS Compatible
• 24 mA Balanced Output Sink and Source Capability
• Near Zero Static Supply Current in All Three Logic States (20 mA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds 500 mA
• ESD Performance: Human Body Model >2000 V;
Machine Model >200 V
• These are Pb−Free Devices*
http://onsemi.com
48
1
TSSOP−48
DT SUFFIX
CASE 1201
MARKING DIAGRAM
48
LCX16374G
AWLYYWW
1
A = Assembly Location
WL = Wafer Lot
YY = Year
WW = Work Week
G = Pb−Free Package
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 3 of this data sheet.
*For additional information on our Pb−Free strategy and soldering details, please
download the ON Semiconductor Soldering and Mounting Techniques
Reference Manual, SOLDERRM/D.
© Semiconductor Components Industries, LLC, 2005
August, 2005 − Rev. 6
1
Publication Order Number:
MC74LCX16374/D
1 page  
MC74LCX16374
DYNAMIC SWITCHING CHARACTERISTICS
TA = +25°C
Symbol
Characteristic
Condition
Min Typ Max Unit
VOLP Dynamic LOW Peak Voltage
(Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
0.8
0.6
V
V
VOLV Dynamic LOW Valley Voltage
(Note 4)
VCC = 3.3 V, CL = 50 pF, VIH = 3.3 V, VIL = 0 V
VCC = 2.5 V, CL = 30 pF, VIH = 2.5 V, VIL = 0 V
−0.8
−0.6
V
V
4. Number of outputs defined as “n”. Measured with “n−1” outputs switching from HIGH−to−LOW or LOW−to−HIGH. The remaining output is
measured in the LOW state.
CAPACITIVE CHARACTERISTICS
Symbol
Parameter
CIN
COUT
CPD
Input Capacitance
Output Capacitance
Power Dissipation Capacitance
Condition
VCC = 3.3 V, VI = 0 V or VCC
VCC = 3.3 V, VI = 0 V or VCC
10 MHz, VCC = 3.3 V, VI = 0 V or VCC
Typical
7
8
20
Unit
pF
pF
pF
Dn
ts
CPn
On
th
Vmo
fmax
tPLH, tPHL
Vmo
VCC
Vmi
0V
VCC
0V
OEn
On
VOH
On
VOL
WAVEFORM 1 − PROPAGATION DELAYS, SETUP AND HOLD TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
Vmi Vmi
tPZH
tPHZ
Vmo
VCC
0V
VOH
VHZ
tPZL
tPLZ
Vmo
VHZ
VOL
WAVEFORM 2 − OUTPUT ENABLE AND DISABLE TIMES
tR = tF = 2.5 ns, 10% to 90%; f = 1 MHz; tW = 500 ns
CPn
Vmi
VCC
Vmi
tw 0 V
CPn
Vmo
tw
Vmo
WAVEFORM 3 − PULSE WIDTH
tR = tF = 2.5 ns (or fast as required) from 10% to 90%;
Output requirements: VOL ≤ 0.8 V, VOH ≥ 2.0 V
Figure 3. AC Waveforms
Table 2. AC WAVEFORMS
Symbol
Vmi
Vmo
VHZ
VLZ
3.3 V ± 0.3 V
1.5 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
VCC
2.7 V
1.5 V
1.5 V
VOL + 0.3 V
VOH − 0.3 V
VCC
0V
2.5 V + 0.2 V
VCC / 2
VCC / 2
VOL + 0.15 V
VOH − 0.15 V
http://onsemi.com
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| PDF Descargar | [ Datasheet MC74LCX16374.PDF ] | |
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