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PDF MC74VCX16374 Data sheet ( Hoja de datos )
| Número de pieza | MC74VCX16374 | |
| Descripción | LOW-VOLTAGE 1.8/2.5/3.3V 16-BIT D-TYPE FLIP-FLOP | |
| Fabricantes | Motorola Semiconductors | |
| Logotipo |  |
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MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Product Preview
Low-Voltage 1.8/2.5/3.3V
16-Bit D-Type Flip-Flop
With 3.6V-Tolerant Inputs and
Outputs (3-State, Non-Inverting)
The MC74VCX16374 is an advanced performance, non–inverting
16–bit D–type flip–flop. It is designed for very high–speed, very
low–power operation in 1.8V, 2.5V or 3.3V systems. The VCX16374 is
byte controlled, with each byte functioning identically, but independently.
Each byte has separate Output Enable and Clock Pulse inputs. These
control pins can be tied together for full 16–bit operation.
When operating at 2.5V (or 1.8V) the part is designed to tolerate
voltages it may encounter on either inputs or outputs when interfacing to
3.3V busses. It is guaranteed to be over–voltage tolerant to 3.6V.
The MC74VCX16374 consists of 16 edge–triggered flip–flops with
individual D–type inputs and 3.6V–tolerant 3–state outputs. The clocks
(CPn) and 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.
• Designed for Low Voltage Operation: VCC = 1.8–3.6V
• 3.6V Tolerant Inputs and Outputs
• High Speed Operation: 3.0ns max for 3.0 to 3.6V
3.9ns max for 2.3 to 2.7V
6.0ns max for 1.8V
• Static Drive:
±24mA Drive at 3.0V
±18mA Drive at 2.3V
±6mA Drive at 1.8V
• Supports Live Insertion and Withdrawal
• IOFF Specification Guarantees High Impedance When VCC = 0V
• Near Zero Static Supply Current in All Three Logic States (20µA)
Substantially Reduces System Power Requirements
• Latchup Performance Exceeds ±300mA
• ESD Performance: Human Body Model >2000V; Machine Model >200V
MC74VCX16374
VCX
LOW–VOLTAGE 1.8/2.5/3.3V
16–BIT D–TYPE FLIP–FLOP
DT SUFFIX
48–LEAD PLASTIC TSSOP PACKAGE
CASE 1201–01
PIN NAMES
Pins
Function
OEn
CPn
D0–D15
O0–O15
Output Enable Inputs
Clock Pulse Inputs
Inputs
Outputs
This document contains information on a product under development. Motorola reserves the right to
change or discontinue this product without notice.
10/97
© Motorola, Inc. 1997
1
REV 0.1
1 page  
MC74VCX16374
DC ELECTRICAL CHARACTERISTICS (1.8V ≤ VCC < 2.3V)
Symbol
VIH
VIL
VOH
Characteristic
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Voltage
VOL
LOW Level Output Voltage
II
IOZ
IOFF
ICC
Input Leakage Current
3–State Output Current
Power–Off Leakage Current
Quiescent Supply Current
Condition
1.8V ≤ VCC < 2.3V
1.8V ≤ VCC < 2.3V
VCC = 1.8V; IOH = –100µA
VCC = 1.8V; IOH = –6mA
VCC = 1.8V; IOL = 100µA
VCC = 1.8V; IOL = 6mA
VCC = 1.8V; 0 ≤ VI ≤ 3.6V
VCC = 1.8V; 0 ≤ VO ≤ 3.6V; VI = VIH or VIL
VCC = 0V; 0V ≤ (VI, VO) ≤ 3.6V
VCC = 1.8V; VI = VCC or GND
VCC = 1.8V; VCC ≤ (VI, VO) ≤ 3.6V
TA = –40°C to +85°C
Min Max
0.7 × VCC
VCC – 0.2
1.4
0.2 × VCC
0.2
0.3
±5.0
±10
10
20
±20
Unit
V
V
V
V
µA
µA
µA
µA
AC CHARACTERISTICS (Note 4.; tR = tF = 2.0ns; CL = 30pF; RL = 500Ω)
Limits
Symbol
Parameter
Waveform
TA = –40°C to +85°C
VCC = 3.0V to 3.6V VCC = 2.3V to 2.7V
Min Max Min Max
VCC = 1.8V
Min Max
Unit
fmax
Clock Pulse Frequency
1 250
200 125 MHz
tPLH
tPHL
Propagation Delay
CP to On
1 0.8 3.0 1.0 3.9
0.8 3.0 1.0 3.9
6.0 ns
6.0
tPZH
tPZL
Output Enable Time to
High and Low Level
2 0.8 3.5 1.0 4.6
0.8 3.5 1.0 4.6
7.0 ns
7.0
tPHZ
tPLZ
Output Disable Time From
High and Low Level
2 0.8 3.5 1.0 3.8
0.8 3.5 1.0 3.8
5.0 ns
5.0
ts
Setup Time, High or Low Dn to CP
3
1.5
1.5 2.5 ns
th
Hold Time, High or Low Dn to CP
3
1.0
1.0 1.0 ns
tw CP Pulse Width, High
3 1.5
1.5 3.0 ns
tOSHL
tOSLH
Output–to–Output Skew
(Note 5.)
0.5 0.5 0.5 ns
0.5 0.5 0.5
4. These AC parameters are preliminary and may be modified prior to release. For CL = 50pF, add approximately 300ps to the AC maximum
specification.
5. Skew is defined as the absolute value of the difference between the actual propagation delay for any two separate outputs of the same device.
The specification applies to any outputs switching in the same direction, either HIGH–to–LOW (tOSHL) or LOW–to–HIGH (tOSLH); parameter
guaranteed by design.
LCX DATA
BR1339 — REV 2
5
MOTOROLA
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet MC74VCX16374.PDF ] | |
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