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參數(shù)資料
| 型號(hào)： | SN55LVDS31FK |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | HIGH-SPEED DIFFERENTIAL LINE DRIVERS |
| 中文描述： | 高速差分線路驅(qū)動(dòng)器 |
| 文件頁數(shù)： | 7/19頁 |
| 文件大?。?/td> | 277K |
| 代理商： | SN55LVDS31FK |
SN55LVDS31, SN65LVDS31, SN65LVDS3487, SN65LVDS9638
HIGH-SPEED DIFFERENTIAL LINE DRIVERS
SLLS261F – JULY 1997 – REVISED MARCH 2000
7
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
SN55LVDS31 electrical characteristics over recommended operating conditions (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN55LVDS31
MIN
TYP
247
UNIT
MAX
454
340
mV
VOD
Change in differential output voltage magnitude
between logic states
RL = 100
,
See Figure 2
–50
50
mV
VOC(SS)
Steady-state common-mode output voltage
1.125
1.2
1.375
V
VOC(SS)
Change in steady-state common-mode output voltage
between logic states
See Figure 3
–50
50
mV
VOC(PP)
Peak-to-peak common-mode output voltage
50
150
mV
VI = 0.8 V or 2 V,
No load
Enabled,
9
20
mA
ICC
Supply current
VI = 0.8 or 2 V,
Enabled
RL = 100
,
25
35
mA
VI = 0 or VCC,
VIH = 2
VIL = 0.8 V
VO(Y) or VO(Z) = 0
VOD = 0
VO = 0 or 2.4 V
VCC = 0,
Disabled
0.25
1
mA
μ
A
μ
A
mA
IIH
IIL
High-level input current
4
20
Low-level input current
0.1
10
IOS
Short circuit output current
Short-circuit output current
–4
–24
±
12
±
1
±
4
mA
μ
A
μ
A
IOZ
IO(OFF)
CI
All typical values are at TA = 25
°
C and with VCC = 3.3 V.
High-impedance output current
Power-off output current
VO = 2.4 V
Input capacitance
3
pF
SN55LVDS31 switching characteristics over recommended operating conditions (unless
otherwise noted)
PARAMETER
TEST CONDITIONS
SN55LVDS31
MIN
TYP
0.5
UNIT
MAX
tpLH
tpHL
tr
tf
tsk(p)
tsk(o)
tpZH
tpZL
tpHZ
tpLZ
All typical values are at TA = 25
°
C and with VCC = 3.3 V.
tsk(o) is the maximum delay time difference between drivers on the same device.
Propagation delay time, low-to-high-level output
1.4
4
ns
Propagation delay time, high-to-low-level output
1
1.7
4.5
ns
Differential output signal rise time (20% to 80%)
RL = 100
, CL
See Figure 2
0.4
0.5
1
ns
Differential output signal fall time (80% to 20%)
,
0.4
0.5
1
ns
Pulse skew (|tPHL – tPLH|)
Channel-to-channel output skew
0.3
0.6
ns
0.3
0.6
ns
Propagation delay time, high-impedance-to-high-level output
5.4
15
ns
Propagation delay time, high-impedance-to-low-level output
See Figure 4
2.5
15
ns
Propagation delay time, high-level-to-high-impedance output
Propagation delay time, low-level-to-high-impedance output
8.1
7.3
17
15
ns
ns
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