参数资料
型号: SN74GTLP817PWRG4
厂商: TEXAS INSTRUMENTS INC
元件分类: 总线收发器
英文描述: GTLP SERIES, 1-BIT DRIVER, INVERTED OUTPUT, PDSO24
封装: GREEN, PLASTIC, TSSOP-24
文件页数: 14/18页
文件大小: 385K
代理商: SN74GTLP817PWRG4
www.ti.com
Recommended Operating Conditions
(1) (2) (3) (4)
SN74GTLP817
GTLP-TO-LVTTL 1-TO-6 FANOUT DRIVER
SCES285E – OCTOBER 1999 – REVISED APRIL 2005
MIN
NOM
MAX
UNIT
VCC
Supply voltage
3.15
3.3
3.45
V
GTL
1.14
1.2
1.26
VTT
Termination voltage
V
GTLP
1.35
1.5
1.65
GTL
0.74
0.8
0.87
VREF
Reference voltage
V
GTLP
0.87
1
1.1
BI
VTT
VI
Input voltage
V
AI, OE
VCC
5.5
BI
VREF + 0.05
VIH
High-level input voltage
ERC
VCC – 0.6
VCC
5.5
V
AI, OE
2
BI
VREF – 0.05
VIL
Low-level input voltage
ERC
GND
0.6
V
AI, OE
0.8
IIK
Input clamp current
–18
mA
IOH
High-level output current
AO port
–12
mA
AO port
12
IOL
Low-level output current
mA
BO port
50
t/v
Input transition rise or fall rate
Outputs enabled
10
ns/V
t/V
CC
Power-up ramp rate
20
s/V
TA
Operating free-air temperature
–40
85
°C
(1)
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.
(2)
Normal connection sequence is GND first and VCC = 3.3 V, I/O, control inputs, VTT, VREF (any order) last.
(3)
VTT and RTT can be adjusted to accommodate backplane impedances if the dc recommended IOL ratings are not exceeded.
(4)
VREF can be adjusted to optimize noise margins, but normally is two-thirds VTT.
5
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