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| 型號： | VMEH22501A |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 8-BIT UNIVERSAL BUS TRANSCEIVER AND TWO 1-BIT BUS TRANSCEIVERS WITH SPLIT LVTTL PORT, FEEDBACK PATH, AND 3-STATE OUTPUTS |
| 中文描述： | 8位通用總線收發(fā)器和兩個1位總線收發(fā)器與劈開LVTTL港口，反饋路徑，以及三態(tài)輸出 |
| 文件頁數(shù)： | 7/30頁 |
| 文件大?。?/td> | 568K |
| 代理商： | VMEH22501A |
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SCES620 – DECEMBER 2004
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range for A and B
ports (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIK
VCC = 3.15 V,
II = 18 mA
1.2
V
3A port, any B ports,
and Y outputs
VCC = 3.15 V to 3.45 V,
IOH = 100
μ
A
VCC0.2
VOH
3A port and Y outputs
VCC = 3.15 V
IOH = 6 mA
IOH = 12 mA
IOH = 24 mA
IOH = 48 mA
2.4
V
2
Any B port
VCC = 3.15 V
2.4
2
3A port, any B ports,
and Y outputs
VCC = 3.15 V to 3.45 V,
IOL = 100
μ
A
0.2
3A port and Y outputs
VCC = 3.15 V
IOL = 6 mA
IOL = 12 mA
IOL = 24 mA
IOL = 48 mA
IOL = 64 mA
VI = VCC or GND
VI = 5.5 V
0.55
VOL
0.8
V
0.4
Any B port
VCC = 3.15 V
0.55
0.6
±
1
II
Control inputs,
1A and 2A
VCC = 3.45 V,
VCC = 0 or 3.45 V,
5
μ
A
IOZH
3A port, any B port,
and Y outputs
VCC = 3.45 V,
VO = VCC or 5.5 V
5
μ
A
3A port and Y outputs
VCC = 3.45 V,
VO = GND
5
IOZL
Any B port
20
μ
A
Ioff
IBHL§
IBHH
IBHLO#
IBHHO||
VCC = 0, BIAS VCC = 0,
VCC = 3.15 V,
VCC = 3.15 V,
VCC = 3.45 V,
VCC = 3.45 V,
VCC
≤
1.3 V, VO = 0.5 V to VCC,
VI = GND or VCC, OE = don’t care
VI or VO = 0 to
5.5 V
VI = 0.8 V
VI = 2 V
VI = 0 to VCC
VI = 0 to VCC
±
10
μ
A
μ
A
μ
A
μ
A
μ
A
3A port
75
3A port
75
3A port
500
3A port
500
IOZ(PU/PD)
±
10
μ
A
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 VIL max. IBHL should be measured after lowering VIN to GND, then
raising it to VIL max.
The bus-hold circuit can source at least the minimum high sustaining current at VIH min. IBHH should be measured after raising VIN to VCC, then
lowering it to VIH min.
#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.
High-impedance state during power up or power down
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