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参数资料
| 型号： | SN74GTLPH1645GQLR |
| 厂商： | Texas Instruments, Inc. |
| 元件分类： | 总线收发器 |
| 英文描述： | 16-BIT LVTTL-TO-GTLP ADJUSTABLE-EDGE-RATE BUS TRANSCEIVER |
| 中文描述： | 16位LVTTL至GTLP可调的EDGE速率总线收发器 |
| 文件页数： | 16/17页 |
| 文件大小： | 259K |
| 代理商： | SN74GTLPH1645GQLR |
www.ti.com
Electrical Characteristics
Hot-Insertion Specifications for A Port
SN74GTLPH1645
16-BIT LVTTL-TO-GTLP ADJUSTABLE-EDGE-RATE BUS TRANSCEIVER
SCES290D – OCTOBER 1999 – REVISED JUNE 2005
over recommended operating free-air temperature range for GTLP (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN TYP(1)
MAX
UNIT
VIK
VCC = 3.15 V,
II = –18 mA
–1.2
V
VCC = 3.15 V to 3.45 V,
IOH = –100 A
VCC – 0.2
VOH
A port
IOH = –12 mA
2.4
V
VCC = 3.15 V
IOH = –24 mA
2
VCC = 3.15 V to 3.45 V,
IOL = 100 A
0.2
A port
IOL = 12 mA
0.4
VCC = 3.15 V
IOL = 24 mA
0.5
VOL
V
IOL = 10 mA
0.2
B port
VCC = 3.15 V
IOL = 64 mA
0.4
IOL = 100 mA
0.55
II
Control inputs
VCC = 3.45 V,
VI = 0 or 5.5 V
±10
A
A port
VO = VCC
10
IOZH(2)
VCC = 3.45 V
A
B port
VO = 1.5 V
10
IOZL(2)
A and B ports
VCC = 3.45 V,
VO = GND
–10
A
IBHL(3)
A port
VCC = 3.15 V,
VI = 0.8 V
75
A
IBHH(4)
A port
VCC = 3.15 V,
VI = 2 V
–75
A
IBHLO(5)
A port
VCC = 3.45 V,
VI = 0 to VCC
500
A
IBHHO(6)
A port
VCC = 3.45 V,
VI = 0 to VCC
–500
A
Outputs high
40
VCC = 3.45 V, IO = 0,
ICC
A or B port
VI (A-port or control inputs) = VCC or GND,
Outputs low
40
mA
VI (B port) = VTT or GND
Outputs disabled
40
VCC = 3.45 V, One A-port or control input at VCC – 0.6 V,
I
CC
(7)
1.5
mA
Other A-port or control inputs at VCC or GND
Ci
Control inputs
VI = 3.15 V or 0
4
5
pF
A port
VO = 3.15 V or 0
6.5
7.5
Cio
pF
B port
VO = 1.5 V or 0
9.5
11
(1)
All typical values are at VCC = 3.3 V, TA = 25°C.
(2)
For I/O ports, the parameters IOZH and IOZL include the input leakage current.
(3)
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.
(4)
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.
(5)
An external driver must source at least IBHLO to switch this node from low to high.
(6)
An external driver must sink at least IBHHO to switch this node from high to low.
(7)
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
over recommended operating free-air temperature range
PARAMETER
TEST CONDITIONS
MIN
MAX
UNIT
Ioff
VCC = 0,
BIAS VCC = 0,
VI or VO = 0 to 5.5 V
10
A
IOZPU
VCC = 0 to 1.5 V,
VO = 0.5 V to 3 V,
OE = 0
±30
A
IOZPD
VCC = 1.5 V to 0,
VO = 0.5 V to 3 V,
OE = 0
±30
A
8
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