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參數(shù)資料
| 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)： | 8/30頁 |
| 文件大?。?/td> | 568K |
| 代理商： | VMEH22501A |
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SCES620 – DECEMBER 2004
8
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range for A and B
ports (unless otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VCC = 3.45 V, IO = 0,
VI = VCC or GND
Outputs high
30
ICC
Outputs low
30
mA
Outputs disabled
30
ICCD
VCC = 3.45 V, IO = 0,
VI
One data input switching at
one-half clock frequency,
50% duty cycle
VCC = 3.15 V to 3.45 V, One input at VCC 0.6 V,
Other inputs at VCC or GND
Outputs enabled
76
μ
A/
clock
MHz/
input
CC
Outputs disabled
19
ICC
750
μ
A
Ci
1A and 2A inputs
VI = 3.15 V or 0
2.8
pF
Control inputs
2.6
Co
1Y or 2Y outputs
VO = 3.15 V or 0
5.6
pF
Cio
3A port
Any B port
VCC = 3.3 V,
VO = 3.3 V or 0
7.9
11
pF
12.5
All typical values are at VCC = 3.3 V, TA = 25
°
C.
This is the increase in supply current for each input that is at the specified TTL voltage level, rather than VCC or GND.
live-insertion specifications over recommended operating free-air temperature range for B port
PARAMETER
TEST CONDITIONS
BIAS VCC = 3.15 V to 3.45 V,
BIAS VCC = 3.15 V to 3.45 V,
BIAS VCC = 3.15 V to 3.45 V
VO = 0,
VO = 3 V,
MIN
TYP
MAX
UNIT
mA
μ
A
V
ICC (BIAS VCC)
VCC = 0 to 3.15 V,
VCC = 3.15 V to 3.45 V,
VCC = 0,
IO(DC) = 0
IO(DC) = 0
5
10
VO
1.3
1.5
1.7
IO
VCC = 0
BIAS VCC = 3.15 V
BIAS VCC = 3.15 V
20
100
20
100
μ
A
All typical values are at VCC = 3.3 V, TA = 25
°
C.
VCC 0.5 V < BIAS VCC
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