參數(shù)資料
型號: SN74LV244APWT
廠商: TEXAS INSTRUMENTS INC
元件分類: 總線收發(fā)器
英文描述: LV/LV-A/LVX/H SERIES, DUAL 4-BIT DRIVER, TRUE OUTPUT, PDSO20
封裝: GREEN, PLASTIC, TSSOP-20
文件頁數(shù): 17/22頁
文件大小: 771K
代理商: SN74LV244APWT
SN54LV244A, SN74LV244A
OCTAL BUFFERS/DRIVERS
WITH 3-STATE OUTPUTS
SCLS383L SEPTEMBER 1997 REVISED AUGUST 2010
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
POST OFFICE BOX 1443
HOUSTON, TEXAS 772511443
recommended operating conditions (see Note 5)
SN54LV244A
SN74LV244A
UNIT
MIN
MAX
MIN
MAX
UNIT
VCC
Supply voltage
2
5.5
2
5.5
V
VCC = 2 V
1.5
V
High level input voltage
VCC = 2.3 V to 2.7 V
VCC × 0.7
V
VIH
High-level input voltage
VCC = 3 V to 3.6 V
VCC × 0.7
V
VCC = 4.5 V to 5.5 V
VCC × 0.7
VCC = 2 V
0.5
V
Low level input voltage
VCC = 2.3 V to 2.7 V
VCC × 0.3
V
VIL
Low-level input voltage
VCC = 3 V to 3.6 V
VCC × 0.3
V
VCC = 4.5 V to 5.5 V
VCC × 0.3
VI
Input voltage
0
5.5
0
5.5
V
Output voltage
High or low state
0
VCC
0
VCC
V
VO
Output voltage
3-state
0
5.5
0
5.5
V
VCC = 2 V
50
μA
I
High level output current
VCC = 2.3 V to 2.7 V
2
IOH
High-level output current
VCC = 3 V to 3.6 V
8
mA
VCC = 4.5 V to 5.5 V
16
mA
VCC = 2 V
50
μA
I
Low level output current
VCC = 2.3 V to 2.7 V
2
IOL
Low-level output current
VCC = 3 V to 3.6 V
8
mA
VCC = 4.5 V to 5.5 V
16
mA
VCC = 2.3 V to 2.7 V
200
Δt/Δv Input transition rise or fall rate
VCC = 3 V to 3.6 V
100
ns/V
Δt/Δv Input transition rise or fall rate
VCC = 4.5 V to 5.5 V
20
ns/V
TA
Operating free-air temperature
55
125
40
85
°C
NOTE 5: All unused inputs of the device must be held at VCC or GND to ensure proper device operation. Refer to the TI application report,
Implications of Slow or Floating CMOS Inputs, literature number SCBA004.
PRODUCT PREVIEW information concerns products in the formative or
design phase of development. Characteristic data and other
specifications are design goals. Texas Instruments reserves the right to
change or discontinue these products without notice.
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