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參數(shù)資料
| 型號： | SN65ELT21DGK |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 時鐘及定時 |
| 英文描述： | 65ELT SERIES, LOW SKEW CLOCK DRIVER, 1 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PDSO8 |
| 封裝： | GREEN, PLASTIC, MSOP-8 |
| 文件頁數(shù)： | 6/12頁 |
| 文件大?。?/td> | 447K |
| 代理商： | SN65ELT21DGK |
PECL DC CHARACTERISTICS
TTL DC CHARACTERISTICS
AC CHARACTERISTICS
www.ti.com....................................................................................................................................................................................................... SLLS923 – JUNE 2009
At VCC = 5.0 V, GND = 0.0 V (unless otherwise noted)
(1) (2)
TA = –40°C
TA = 25°C
TA = 85°C
PARAMETER
TEST CONDITIONS
UNIT
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
VIH
High-level input voltage,
3835
4120
3835
4120
3835
4120
mV
single-ended
VIL
Low-leveI input voltage,
3190
3525
3190
3525
3190
3525
mV
single-ended
VBB
Output reference voltage
3.62
3.69
3.74
3.62
3.69
3.74
3.62
3.69
3.74
V
VIHCMR
High-level input voltage,
See (3)
2.2
5.0
2.2
5.0
2.2
5.0
V
common-mode range,
differential
IIH
High-level input current
150
A
IIL
Low-level input current
0.5
A
(1)
The device will meet the specifications after thermal balance has been established when mounted in a socket or printed circuit board
with maintained transverse airflow greater than 500 lfpm. Electrical parameters are assured only over the declared operating
temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit values are
applied individually under normal operating conditions and not valid simultaneously.
(2)
Input parameters vary 1:1 with VCC. VCC can vary +0.7 V / –0.8 V.
(3)
VIHCMR(min) varies 1:1 with GND, VIHCMR(max) varies 1:1 with VCC.
At VCC = 4.2 V to 5.7 V, TA = –40°C to 85°C (unless otherwise noted)
(1)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ICCH
Power supply current
20
mA
ICCL
Power supply current
20
mA
VOH
High-level output voltage
IOH = –3.0 mA
2.4
See (2)
V
VOL
Low-level output voltage
IOL = 24 mA
0.5
V
IOS
Output short circuit current
–150
–60
mA
(1)
The device will meet the specifications after thermal balance has been established when mounted in a socket or printed circuit board
with maintained transverse airflow greater than 500 lfpm. Electrical parameters are assured only over the declared operating
temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit values are
applied individually under normal operating conditions and not valid simultaneously.
(2)
VOH(max) level is VCC – 0.7.
At VCC = 4.2 V to 5.7 V, GND = 0.0 V (unless otherwise noted)
(1) (2)
TA = –40°C
TA = 25°C
TA = 85°C
TEST
PARAMETER
UNIT
CONDITIONS
MIN
TYP MAX
MIN
TYP MAX
MIN
TYP MAX
fMAX
Maximum switching
At Vol < 0.5V
200
MHz
frequency
(See Figure 4)
tPLH/tPHL
Propagation delay times
At 1.5 V
2
4.5
2
4.5
2
4.5
ns
tJITTER
Random clock jitter (RMS)
5
20
5
20
5
20
ps
VPP
Input swing
See (3)
200
1000
200
1000
200
1000
mV
tr/tf
Output rise/fall times
Q (10%–90%)
750
780
910
ps
(1)
The device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are assured only over the declared operating
temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit values are
applied individually under normal operating conditions and not valid simultaneously.
(2)
(3)
VPP(min) is minimum input swing for which ac parameters are assured.
Copyright 2009, Texas Instruments Incorporated
3
Product Folder Link(s): SN65ELT21
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