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參數(shù)資料
| 型號(hào)： | 935238700118 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | LVC/LCX/Z SERIES, 16 1-BIT DRIVER, TRUE OUTPUT, PDSO48 |
| 封裝： | PLASTIC, SOT-370, SSOP-48 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 132K |
| 代理商： | 935238700118 |
Philips Semiconductors
Product specification
74LVC162244A/
74LVCH162244A
16-bit buffer/line driver; with 30
series termination
resistors; 5V input/output tolerant (3-State)
1998 Feb 17
6
AC CHARACTERISTICS
GND = 0V; tR = tF = 2.5ns; CL = 50pF; RL = 500; Tamb = –40°C to +85°C.
LIMITS
SYMBOL
PARAMETER
WAVEFORM
VCC = 3.3V ±0.3V
VCC = 2.7V
UNIT
MIN
TYP1
MAX
MIN
MAX
tPHL
tPLH
Propagation delay
1An to 1Yn;
2An to 2Yn
1
1.5
2.9
6.3
1.5
7.3
ns
tPZH
tPZL
3-State output enable time
1OE to 1Yn;
2OE to 2Yn
2, 3
1.5
3.4
7.1
1.5
8.1
ns
tPHZ
tPLZ
3-State output disable time
1OE to 1Yn;
2OE to 2Yn
2, 3
1.5
2.8
5.0
1.5
6.0
ns
NOTE:
1. All typical values are at VCC = 3.3V and Tamb = 25°C.
AC WAVEFORMS
VM = 1.5V at VCC w 2.7V; VM = 0.5 VCC at VCC t 2.7V.
VOL and VOH are the typical output voltage drop that occur with the output load.
VX = VOL + 0.3V at VCC w 2.7V; VX = VOL + 0.1 VCC at VCC t 2.7V
VY = VOH –0.3V at VCC w 2.7V; VY = VOH – 0.1 VCC at VCC t 2.7V
SW00057
An INPUT
VM
tPHL
tPLH
VOL
VI
VM
GND
VOH
Yn OUTPUT
Waveform 1. Input (An) to output (Yn) propagation delay times
tPLZ
tPZL
VI
nOE INPUT
GND
VCC
OUTPUT
LOW-to-OFF
OFF-to-LOW
VOL
VOH
OUTPUT
HIGH-to-OFF
OFF-to-HIGH
GND
outputs
enabled
outputs
enabled
outputs
disabled
tPHZ
VM
tPZH
VX
VY
SW00058
Waveform 2. 3-State enable and disable times
TEST CIRCUIT
PULSE
GENERATOR
RT
VIN
D.U.T.
VOUT
CL
VCC
RL=500
SWITCH POSITION
TEST
SWITCH
tPLH/tPHL
Open
tPLZ/tPZL
2
<VCC
tPHZ/tPZH
GND
Test Circuit for 3-State Outputs
Open
GND
S1
2
<VCC
DEFINITIONS
VCC
t 2.7V
2.7 – 3.6V
VIN
VCC
2.7V
RL = Load resistor
CL = Load capacitance includes jig and probe capacitance
RT = Termination resistance should be equal to ZOUT
of pulse generators.
SW00047
RL=500
Waveform 3. Load circuitry for switching times
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