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參數(shù)資料
| 型號(hào)： | LB176Q |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | DIFFERENTIAL BUS TRANSCEIVERS |
| 中文描述： | 差分總線收發(fā)器 |
| 文件頁數(shù)： | 6/22頁 |
| 文件大?。?/td> | 440K |
| 代理商： | LB176Q |
SLLS067G AUGUST 1990 REVISED APRIL 2006
6
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
switching characteristics over recommended ranges of supply voltage and operating free-air
temperature
PARAMETER
TEST CONDITIONS
SN55LBC176
SN65LBC176Q
SN65LBC176
SN75LBC176
TYP
8
UNIT
MIN
TYP
MAX
MIN
MAX
td(OD)
tt(OD)
tsk(p)
tPZH
tPZL
tPHZ
tPLZ
All typical values are at VCC = 5 V, TA = 25
°
C.
Differential output delay time
RL = 54
,
See Figure 3
CL = 50 pF,
8
31
25
ns
Differential output transition time
12
12
ns
Pulse skew (| td(ODH) td(ODL)|)
Output enable time to high level
6
0
6
ns
RL = 110
,
RL = 110
,
RL = 110
,
RL = 110
,
See Figure 4
65
35
ns
Output enable time to low level
See Figure 5
65
35
ns
Output disable time from high level
See Figure 4
105
60
ns
Output disable time from low level
See Figure 5
105
35
ns
SYMBOL EQUIVALENTS
DATA SHEET PARAMETER
RS-485
VO
Voa, Vob
Vo
Vt (RL = 54
)
Vt (test termination
measurement 2)
| VOD1 |
| VOD2 |
| VOD3 |
| VOD |
VOC
| VOC |
IOS
IO
|| Vt | | Vt ||
| Vos |
| Vos Vos |
None
Iia, Iib
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