參數(shù)資料
型號(hào)： MR83C154XXX-20P883
廠商： ATMEL CORP
元件分類： 微控制器/微處理器
英文描述： 8-BIT, MROM, 20 MHz, MICROCONTROLLER, CQCC44
封裝： LCC-44
文件頁(yè)數(shù)： 44/46頁(yè)
文件大?。?/td> 7004K
代理商： MR83C154XXX-20P883
Philips Semiconductors
Product specification
74ALVT162244
2.5V/3.3V 16-bit buffer/driver with
30
termination resistors (3-State)
1998 Oct 07
7
AC WAVEFORMS
VM = 1.5V at VCC w 3.0V; VM = VCC/2 at VCC v 2.7V
VX = VOL + 0.3V at VCC w 3.0V; VX = VOL + 0.15V at VCC v 2.7V
VY = VOH – 0.3V at VCC w 3.0V; VY = VOH – 0.15V at VCC v 2.7V
SW00160
nAx INPUT
VM
nYx OUTPUT
tPLH
tPHL
VM
3.0V or VCC,
whichever is less
0V
VOH
VOL
Waveform 1. Input (nAx) to Output (nYx) Propagation Delays
nOE
INPUT
VM
tPZH
tPHZ
nYx
OUTPUT
VOH
VM
nYx
OUTPUT
VOL
tPZL
tPLZ
0V
VX
VY
3.0V or VCC
whichever is
less
0V
SW00204
3.0V or
VCC
Waveform 2. 3-State Output Enable and Disable Times
TEST CIRCUIT AND WAVEFORMS
PULSE
GENERATOR
RT
VIN
D.U.T.
VOUT
CL
RL
VCC
RL
OPEN
VM
tW
AMP (V)
NEGATIVE
PULSE
10%
90%
0V
VM
tW
AMP (V)
POSITIVE
PULSE
90%
10%
0V
tTHL (tF)
tTLH (tR)tTHL (tF)
tTLH (tR)
VM = 1.5V or VCC / 2, whichever is less
Input Pulse Definition
INPUT PULSE REQUIREMENTS
FAMILY
Amplitude
Rep. Rate
tW
tR
tF
74ALVT16
GND
6V or
VCC x 2
SW00162
Test Circuit for 3-State Outputs
SWITCH POSITION
TEST
SWITCH
tPHZ/tPZH
GND
tPLZ/tPZL
6V or VCC x 2
tPLH/tPHL
open
DEFINITIONS
3.0V or VCC
whichever
is less
≤10MHz
500ns
≤2.5ns ≤2.5ns
RL = Load resistor; see AC CHARACTERISTICS for value.
CL = Load capacitance includes jig and probe capacitance;
see AC CHARACTERISTICS for value.
RT = Termination resistance should be equal to ZOUT of
pulse generators.
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