參數(shù)資料
型號: MAX9157EGJ
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: 通用總線功能
英文描述: Quad Bus LVDS Transceiver
中文描述: QUAD LINE TRANSCEIVER, CQCC32
封裝: 5 X 5 MM, 0.90 MM HEIGHT, QFN-32
文件頁數(shù): 5/16頁
文件大?。?/td> 357K
代理商: MAX9157EGJ
M
Quad Bus LVDS Transceiver
_______________________________________________________________________________________
5
AC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 3.0V to 3.6V, R
L
= 27
±1%, differential input voltage |V
ID
| = 0.2V to V
CC
, input frequency to LVDS inputs = 85MHz, input fre-
quency to LVCMOS/LVTTL inputs = 100MHz, LVCMOS/LVTTL inputs = 0 to 3V with 2ns (10% to 90%) transition times. Differential input
voltage transition time = 1ns (20% to 80%). Input common-mode voltage V
CM
= 1.2V to 1.8V, DE_ = high,
RE_
= low, T
A
= -40
°
C to
+85
°
C, unless otherwise noted. Typical values are at V
CC
= 3.3V, |V
ID
| = 0.2V, V
CM
= 1.2V, and T
A
= +25
°
C.) (Notes 3 and 5)
PARAMETER
SYMBOL
t
THL
CONDITIONS
MIN
0.7
TYP
1.2
6.74
6.82
6.49
6.79
4.67
4.57
5.43
4.71
MAX
1.8
8
8
8
8
7
7
7
7
UNITS
ns
Fall Time
DE_ = low, Figures 7, 8; C
L
= 15pF
DE_ = low, R
L
= 500
, C
L
= 15pF, Figures 9, 10
MAX9157EGJ
MAX9157EHJ
MAX9157EGJ
MAX9157EHJ
MAX9157EGJ
MAX9157EHJ
MAX9157EGJ
MAX9157EHJ
Disable Time High to Z
t
PHZ
ns
Disable Time Low to Z
t
PLZ
DE_ = low, R
L
= 500
, C
L
= 15pF, Figures 9, 10
ns
Enable Time Z to High
t
PZH
DE_ = low, R
L
= 500
, C
L
= 15pF, Figures 9, 10
ns
Enable Time Z to Low
t
PZL
DE_ = low, R
L
= 500
, C
L
= 15pF, Figures 9, 10
ns
Maximum Operating Frequency
(Note 10)
f
MAX
DE_ = low, C
L
= 15pF
85
MHz
Note 1:
Current into a pin is defined as positive. Current out of a pin is defined as negative. All voltages are referenced to ground
except V
TH
, V
TL
, V
ID
, V
HYST
, V
OD
, and
V
OD
.
Note 2:
Maximum and minimum limits over temperature are guaranteed by design and characterization. Devices are production
tested at T
A
= +25
°
C.
Note 3:
Guaranteed by design and characterization.
Note 4:
Short only one output at a time. Do not exceed the absolute maximum junction temperature specification.
Note 5:
C
L
includes scope probe and test jig capacitance.
Note 6:
t
SKD1
is the magnitude difference of differential propagation delays in a channel. t
SKD1
= | t
PHLD
- t
PLHD
|.
Note 7:
t
CCSK
is the magnitude difference of the t
PLHD
or t
PHLD
of one channel and the t
PLHD
or t
PHLD
of any other channel on the
same part.
Note 8:
t
SKD2
is the magnitude difference of any differential propagation delays between parts operating over rated conditions at
the same V
CC
and within 5
°
C of each other.
Note 9:
t
SKD3
is the magnitude difference of any differential propagation delays between parts operating over rated conditions.
Note 10:
Meets data sheet specifications while operating at minimum f
MAX
rating.
Typical Operating Characteristics
(V
CC
= 3.3V, R
L
= 27
, driver C
L
= 10pF, receiver C
L
= 15pF, |V
ID
| = 200mV, V
CM
= 1.2V, f
IN
= 20MHz, T
A
= +25
°
C, unless otherwise noted.)
75
85
80
95
90
100
105
0.01
1000
SUPPLY CURRENT vs. FREQUENCY
M
FREQUENCY (MHz)
S
1
0.1
10
100
FOUR CHANNELS
DRIVEN
V
CC
= 3.6V
V
CC
= 3.3V
V
CC
= 3.0V
0.400
0.401
0.403
0.402
0.404
0.405
3.0
3.2
SUPPLY VOLTAGE (V)
3.1
3.3
3.4
3.5
3.6
DIFFERENTIAL OUTPUT VOLTAGE
vs. SUPPLY VOLTAGE
M
D
0
0.6
0.4
0.2
0.8
1.0
1.2
1.4
1.6
1.8
2.0
15
45
75
105
135
DIFFERENTIAL OUTPUT VOLTAGE
vs. OUTPUT LOAD
M
OUTPUT LOAD (
)
D
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