SY100ELT24ZC [MICREL]
TTL-to-DIFFERENTIAL ECL TRANSLATOR; TTL至差分ECL译者
| 型号： | SY100ELT24ZC |
| 厂家： | 
MICREL SEMICONDUCTOR |
| 描述： | TTL-to-DIFFERENTIAL ECL TRANSLATOR |
| 文件： | 总4页 (文件大小：63K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
TTL-to-DIFFERENTIAL
ECL TRANSLATOR
SY100ELT24
FEATURES
DESCRIPTION
■ 500ps typical propagation delay
■ Differential ECL output
The SY100ELT24 is a TTL-to-differential ECL
translator. Because ECL levels are used, a +5V, –5.2V
(or –4.5V) and ground are required. The small outline 8-
lead SOIC package and the single gate of the ELT24
makes it ideal for those applications where performance,
space and low power are at a premium.
■ PNP TTL input for minimal loading
■ Flow-through pinouts
■ Available in 8-pin SOIC package
PIN CONFIGURATION/BLOCK DIAGRAM
PIN NAMES
Pin
Function
Differential ECL Output
TTL Input
Q, Q
D
V
EE
8
7
VCC
1
2
3
4
D
Q
VCC
VEE
GND
Positive Supply
Negative Supply
Ground
TTL
ECL
6
5
Q
NC
NC
GND
SOIC
TOP VIEW
Rev.: A
Amendment:/0
Issue Date: November 1999
1
Micrel
SY100ELT24
(1)
ABSOLUTE MAXIMUM RATINGS
TRUTH TABLE
D
H
Q
H
L
Q
L
Symbol
VCC
VI
Paramter
Power Supply Voltage
TTL Input Voltage
TTL Input Current
Value
Unit
V
–0.5 to +7.0
–0.5 to VCC
–30 to +5.0
L
H
L
V
Open
H
II
mA
mA
IOUT
ECL Output Current
— Continuous
— Surge
50
100
Tstore
TA
Storage Temperature
Operating Temperature
–65 to +150
–40 to +85
°C
°C
NOTE:
1. PermanentdevicedamagemayoccurifABSOLUTEMAXIMUMRATINGS
are exceeded. This is a stress rating only and functional operation is not
implied at conditions other than those detailed in the operational sections
ofthisdatasheet. ExposuretoABSOLUTEMAXIMUMRATlNGconditions
for extended periods may affect device reliability.
DC ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V; VEE = –4.2V to –5.5V
TA = –40°C
TA = 0°C TA = +25°C TA = +85°C
Symbol
ICC
Parameter
Power Supply Current
Power Supply Current
Min. Max. Min. Max. Min. Max. Min. Max. Unit
Condition
—
—
10
20
—
—
10
20
—
—
10
20
—
—
10
20
mA
mA
—
IEE
No output load
AC ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V; VEE = –4.2V to –5.5V
TA = –40°C
TA = 0°C
TA = +25°C
TA = +85°C
Symbol
Parameter
Min. Max. Min. Max. Min. Typ. Max. Min. Max. Unit
Condition
tPLH
tPHL
Propagation Delay
300
900
700
—
300
200
200
900
700
—
300
200
200
500
300
—
900
700
—
300
200
200
900
700
—
ps
50Ω to –2.0V
tr
tf
Output Rise/Fall Time
20% to 80%
200
ps
50Ω to –2.0V
fMAX
Maximum Input Frequency 200
MHz
2
Micrel
SY100ELT24
TTL DC ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V; VEE = –4.2V to –5.5V
TA = –40°C
Min. Max.
2.0
TA = 0°C
TA = +25°C
TA = +85°C
Symbol
VIH
Parameter
Input HIGH Voltage
Input LOW Voltage
Input HIGH Current
Min.
Max.
—
Min.
2.0
—
Max.
—
Min.
2.0
—
Max. Unit
Condition
—
2.0
—
V
V
—
—
VIL
—
0.8
—
0.8
0.8
0.8
IIH
—
—
20
100
—
—
20
100
—
—
20
100
—
—
20
100
µA
VIN = 2.7V
VIN = VCC
IIL
Input LOW Current
Input Clamp Voltage
—
—
–0.6
–1.2
—
—
–0.6
–1.2
—
—
–0.6
–1.2
—
—
–0.6
–1.2
mA
V
VIN = 0.5V
VIK
IIN = –18mA
ECL DC ELECTRICAL CHARACTERISTICS
VCC = 4.5V to 5.5V; VEE = –4.2V to –5.5V
TA = –40°C
TA = 0°C
Min. Max.
–880 –1025 –880 –1025
TA = +25°C
Min. Max.
–880 –1025
TA = +85°C
Min. Max. Unit
–880 mV 50Ω to –2.0V
Symbol
VOH
Parameter
Min.
Max.
Condition
Output HIGH Voltage
Output LOW Voltage
–1085
VOL
–1830 –1555 –1810 –1620 –1810 –1620 –1810 –1620 mV 50Ω to –2.0V
PRODUCT ORDERING CODE
Ordering
Code
Package
Type
Operating
Range
SY100ELT24ZC
Z8-1
Z8-1
Commercial
Commercial
SY100ELT24ZCTR
3
Micrel
SY100ELT24
8 LEAD SOIC .150" WIDE (Z8-1)
Rev. 03
MICREL-SYNERGY 3250 SCOTT BOULEVARD SANTA CLARA CA 95054 USA
TEL + 1 (408) 980-9191 FAX + 1 (408) 914-7878 WEB http://www.micrel.com
This information is believed to be accurate and reliable, however no responsibility is assumed by Micrel for its use nor for any infringement of patents or
other rights of third parties resulting from its use. No license is granted by implication or otherwise under any patent or patent right of Micrel Inc.
© 2000 Micrel Incorporated
4
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