參數(shù)資料
型號(hào): SN75LBC776DW
廠商: Texas Instruments, Inc.
英文描述: SINGLE-CHIP GeoPortE TRANSCEIVER
中文描述: 單芯片GeoPortE收發(fā)器
文件頁(yè)數(shù): 5/14頁(yè)
文件大?。?/td> 208K
代理商: SN75LBC776DW
SN75LBC776
SINGLE-CHIP GeoPort
TRANSCEIVER
SLLS221A – NOVEMBER 1995 – REVISED JANUARY 1996
5
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
driver switching characteristics over operating free-air temperature range (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
42
MAX
UNIT
ns
tPHL
tPLH
tPZL
tPZH
tPLZ
tPHZ
tr
tf
tPHL
tPLH
Propagation delay time, high-to-low level output
75
Propagation delay time, low-to-high level output
41
75
ns
μ
s
μ
s
ns
Driver output enable time to low-level output
25
100
Driver output enable time to high-level output
SHDN
Single ended,
See Figure 4
25
100
Driver output disable time from low-level output
28
100
Driver output disable time from high-level output
37
100
ns
Rise time
10
25
75
ns
Fall time
10
23
75
ns
Propagation delay time, high-to-low level output
40
75
ns
Propagation delay time, low-to-high level output
42
75
ns
μ
s
ns
μ
s
ns
tPZL
Driver output enable time to low level output
Driver output enable time to low-level output
SHDN
25
100
DEN
29
150
tPZH
Driver output enable time to high level output
Driver output enable time to high-level output
SHDN
25
100
DEN
Differential,
See Figure 5
35
150
tPLZ
Driver output disable time from low level output
Driver output disable time from low-level output
SHDN
28
100
ns
DEN
34
100
ns
tPHZ
Driver output disable time from high level output
Driver output disable time from high-level output
SHDN
37
100
ns
DEN
34
100
ns
tr
tf
tSK(p)
Rise time
10
27
75
ns
Fall time
10
26
75
ns
Pulse skew, |tPLH – tPHL|
22
ns
receiver electrical characteristics over operating free-air temperature range (unless otherwise
noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
200
UNIT
VIT+
VIT–
Vhys
VOH
VOL
Positive-going input threshold voltage
mV
Negative-going input threshold voltage
See Figure 6
–200
Differential input voltage hysteresis (VIT+ – VIT–)
High-level output voltage (see Note 4)
50
mV
VIC = 0,
VIC = 0,
VO = 0
VO = VCC
VCC = 0 or 5.25 V,
VI = –12 V to 12 V
IOH = –2 mA,
IOL = 2 mA,
See Figure 6
2
4.9
V
Low-level output voltage
See Figure 6
0.2
0.8
V
IOS
Short circuit output current
Short-circuit output current
–85
–45
mA
47
+85
RI
Input resistance
6
30
k
NOTE 4: When the inputs are left unconnected, receivers one and two interpret these as high-level inputs and receiver three interprets these
as low-level inputs so that all outputs are at a high level.
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