National Semiconductor Corp 100325QC

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© 2000 Fairchild Semiconductor Corporation DS009879 www.fairchildsemi.com
July 1988
Revised August 2000
100325 Low Power Hex ECL-to-TTL Translator
100325
Low Power Hex ECL-to-TTL Translator
General Description
The 100325 is a hex translator for converting F100K logic
levels to TTL logic levels. Differential inputs allow each cir-
cuit to be used as an inverting, non-inverting or differential
receiver. An internal reference voltage generator provides
V
BB
for single-ended operation, or for use in Schmitt trigger
applications. All inputs have 50k
pull-down resistors.
When the inputs are either unconnected or at the same
potential the outputs will go LOW.
When used in single-ended operation the apparent input
threshold of the true inputs is 20mV to 40mV higher (posi-
tive) than the threshold of the complementary inputs. The
V
EE
and V
TTL
power may be applied in either order.
Features
Pin/function compatible with 100125
Meets 100125 AC specifications
50% power reduction of the 100125
Differential inputs with built in offset
Standard FAST
outputs
2000V ESD protection
4.2V to 5.7V operating range
Available to industrial grade temperature range
Ordering Code:
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Connection Diagrams
24-Pin DIP/SOIC 28-Pin PLCC
Pin Descriptions
FAST is a registered trademark of Fairchild Semiconductor Corporation.
Order Number Package Number Package Description
100325SC M24B 24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
100325PC N24E 24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-010, 0.400 Wide
100325QI V28A 28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
100325QC V28A 28-Lead Plastic Lead Chip Carrier (PLCC), JEDEC MO-047, 0.450 Square
Industrial Temperature Range (
40°C to +85°C)
Pin Names Description
D
0
D
5
Data Inputs
D
0
D
5
Inverting Data Inputs
Q
0
Q
5
Data Outputs
www.fairchildsemi.com 2
100325
Truth Table
H = HIGH Voltage Level
L = LOW Voltage Level
Logic Diagram
Inputs Outputs
D
n
D
n
Q
n
LHL
HLH
LLL
HHL
OPEN OPEN L
V
EE
V
EE
L
LV
BB
L
HV
BB
H
V
BB
LH
V
BB
HL
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100325
Absolute Maximum Ratings(Note 1) Recommended Operating
Conditions
Note 1: The Absolute Maximum Ratings are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum rating.
The Recommended Operating Conditions table will define the conditions
for actual device operation.
Note 2: ESD testing conforms to MIL-STD-883, Method 3015.
Commercial Version
DC Electrical Characteristics
V
EE
= 4.2V to 5.7V, V
CC
= GND, V
TTL
= +4.5V to 5.5V, T
C
= 0°C to +85°C (Note 3)
Note 3: The specified limits represent the worst case value for the parameter. Since these values normally occur at the temperature extremes, additional
noise immunity and guardbanding can be achieved by decreasing the allowable system operating ranges. Conditions for testing shown in the tables are cho-
sen to guarantee operation under worst case conditions.
Note 4: Test one output at a time.
DIP AC Electrical Characteristics
V
EE
= 4.2V to 5.7V, V
CC
= GND, V
TTL
= +4.5V to +5.5V
Storage Temperature (T
STG
) 65°C to +150°C
Maximum Junction Temperature (T
J
) +150°C
V
EE
Pin Potential to Ground Pin 7.0V to +0.5V
V
TTL
Pin Potential to Ground Pin 0.5V to +6.0V
Input Voltage (DC) V
EE
to +0.5V
Voltage Applied to Output
in HIGH State (with V
CC
= 0V) 0.5V to V
CC
Current Applied to Output
in LOW State (Max) twice the rated I
OL
(mA)
ESD (Note 2)
2000V
Case Temperature (T
C
)
Commercial 0
°C to +85°C
Industrial
40°C to +85°C
Supply Voltage (V
EE
) 5.7V to 4.2V
Symbol Parameter Min Typ Max Units Conditions
V
BB
Output Reference Voltage 1380 1320 1260 mV I
VBB
= 2.1 mA
V
IH
Single-Ended Input
1165 870 mV
Guaranteed HIGH Signal for All Inputs
HIGH Voltage (with One Input Tied to V
BB
)
V
IL
Single-Ended Input
1830 1475 mV
Guaranteed LOW Signal for All Inputs
LOW Voltage (with One Input Tied to V
BB
)
V
OH
Output HIGH Voltage 2.5 V I
OH
= 2.0 mA V
IN
= V
IH (Max)
V
OL
Output LOW Voltage 0.5 V I
OL
= 20 mA or V
IL (Min)
V
DIFF
Input Voltage Differential 150 mV Required for Full Output Swing
V
CM
Common Mode Voltage V
CC
2.0 V
CC
0.5 V
I
IH
Input HIGH Current 350 µAV
IN
= V
IH (Max)
, D
0
D
5
= V
BB
,
D
0
D
5
= V
IL (Min)
I
IL
Input LOW Current 0.5 µAV
IN
= V
IL (Min)
, D
0
D
5
= V
BB
I
OS
Output Short-Circuit Current 150 60 mA V
OUT
= GND (Note 4)
I
EE
V
EE
Power Supply Current 37 27 17 mA D
0
D
5
= V
BB
I
TTL
V
TTL
Power Supply Current 45 65 mA D
0
D
5
= V
BB
Symbol Parameter
T
C
= 0°CT
C
= +25°CT
C
= +85°C
Units Conditions
Min Max Min Max Min Max
t
PLH
Propagation Delay
0.80 3.50 0.90 3.70 1.00 4.00 ns
C
L
= 15 pF
t
PHL
Data to Output Figures 1, 2
t
PLH
Propagation Delay
1.60 4.30 1.70 4.50 1.80 4.80 ns
C
L
= 50 pF
t
PHL
Data to Output Figures 1, 3
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