參數(shù)資料
型號： SN74GTLPH16945VR
廠商： Texas Instruments, Inc.
英文描述： 16-BIT LVTTL-TO-GTLP BUS TRANSCEIVER
中文描述： 16位LVTTL至GTLP總線收發(fā)器
文件頁數(shù)： 6/13頁
文件大?。?/td> 212K
代理商： SN74GTLPH16945VR
SN74GTLPH16945
16-BIT LVTTL-TO-GTLP BUS TRANSCEIVER
SCES292D
–
OCTOBER 1999
–
REVISED NOVEMBER 2001
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range for GTLP
(unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 3.15 V,
VCC = 3.15 V to 3.45 V,
II =
–
18 mA
IOH =
–
100
μ
A
IOH =
–
12 mA
IOH =
–
24 mA
IOL = 100
μ
A
IOL = 12 mA
IOL = 24 mA
IOL = 100
μ
A
IOL = 10 mA
IOL = 40 mA
IOL = 50 mA
VI = 0 or 5.5 V
VO = VCC
VO = 1.5 V
VO = GND
VI = 0.8 V
VI = 2 V
VI = 0 to VCC
VI = 0 to VCC
Outputs high
–
1.2
V
VCC
–
0.2
2.4
VOH
A port
VCC= 3 15 V
VCC = 3.15 V
V
2
VCC = 3.15 V to 3.45 V,
0.2
A port
VCC= 3 15 V
VCC = 3.15 V
0.4
0.5
VOL
VCC = 3.15 V to 3.45 V,
0.2
V
B port
0.2
VCC = 3.15 V
0.4
0.55
II
Control inputs
VCC = 3.45 V,
±
10
μ
A
IOZH
A port
VCC= 3 45 V
VCC = 3.45 V
10
μ
A
B port
10
IOZL
IBHL
§
IBHH
IBHLO#
IBHHO||
A and B ports
A port
VCC = 3.45 V,
VCC = 3.15 V,
VCC = 3.15 V,
VCC = 3.45 V,
VCC = 3.45 V,
–
10
μ
A
μ
A
μ
A
μ
A
μ
A
75
A port
–
75
A port
500
A port
–
500
VCC= 3.45 V, IO= 0,
VCC = 3.45 V, IO = 0,
VI (A-port or control input) = VCC or GND,
VI (B port) = VTT or GND
50
ICC
A or B port
Outputs low
50
mA
Outputs disabled
50
ICC
VCC = 3.45 V, One A-port or control input at VCC
–
0.6 V,
Other A-port or control inputs at VCC or GND
VI = 3.15 V or 0
VO = 3.15 V or 0
VO = 1.5 V or 0
1.5
mA
Ci
Control inputs
4.5
5
pF
Cio
A port
7.5
9
pF
B port
7.5
9
All typical values are at VCC = 3.3 V, TA = 25
°
C.
For I/O ports, the parameters IOZH and IOZL include the input leakage current.
§
The bus-hold circuit can sink at least the minimum low sustaining current at VILmax. IBHL should be measured after lowering VIN to GND and
then raising it to VILmax.
The bus-hold circuit can source at least the minimum high sustaining current at VIHmin. IBHH should be measured after raising VIN to VCC and
then lowering it to VIHmin.
#An external driver must source at least IBHLO to switch this node from low to high.
||An external driver must sink at least IBHHO to switch this node from high to low.
This is the increase in supply current for each input that is at the specified TTL voltage level rather than VCC or GND.
hot-insertion specifications for A port over recommended operating free-air temperature range
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
μ
A
μ
A
μ
A
Ioff
IOZPU
IOZPD
VCC = 0,
VCC = 0 to 1.5 V,
VCC = 1.5 V to 0,
BIAS VCC = 0,
VO = 0.5 V to 3 V,
VO = 0.5 V to 3 V,
VI or VO = 0 to 5.5 V
OE = 0
10
±
30
±
30
OE = 0
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