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IDT49FCT805CTSO

Part # IDT49FCT805CTSO
Description IC CLOCK BUFFER 1:5 20SOIC
Category IC
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES OCTOBER 1995
1996 Integrated Device Technology, Inc. 9.2 DSC-2920/5
1
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
IDT49FCT805BT/CT
IDT49FCT806BT/CT
IDT49FCT805T IDT49FCT806T
FEATURES:
0.5 MICRON CMOS Technology
Guaranteed low skew < 500ps (max.)
Very low duty cycle distortion < 600ps (max.)
Low CMOS power levels
TTL compatible inputs and outputs
TTL level output voltage swings
High drive: -32mA I
OH, 48mA IOL
Two independent output banks with 3-state control
1:5 fanout per bank
‘Heartbeat’ monitor output
ESD > 2000V per MIL-STD-883, Method 3015;
> 200V using machine model (C = 200pF, R = 0)
Available in DIP, SOIC, SSOP, QSOP, Cerpack and
LCC packages
OE
A
5
5
IN
A
IN
B
OE
B
OA
1
-OA
5
OB
1
-OB
5
MON
2920 drw 01
FAST CMOS
BUFFER/CLOCK DRIVER
Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The IDT49FCT805BT/CT and IDT49FCT806BT/CT are
clock drivers built using advanced dual metal CMOS technol-
ogy. The IDT49FCT805BT/CT is a non-inverting clock driver
and the IDT49FCT806BT/CT is an inverting clock driver. Each
device consists of two banks of drivers. Each bank drives five
output buffers from a standard TTL compatible input. The
805BT/CT and 806BT/CT have extremely low output skew,
pulse skew, and package skew. The devices has a "heart-
beat" monitor for diagnostics and PLL driving. The MON
output is identical to all other outputs and complies with the
output specifications in this document. The 805BT/CT and
806BT/CT offer low capacitance inputs with hysteresis.
FUNCTIONAL BLOCK DIAGRAMS
OEA
5
5
INA
INB
OEB
OA1-OA5
OB1-OB5
2920 drw 02
MON
IDT49FCT805BT/CT, 806BT/CT
FAST CMOS BUFFER/CLOCK DRIVER MILITARY AND COMMERCIAL TEMPERATURE RANGES
9.2 2
PIN CONFIGURATIONS
IDT49FCT805T
IDT49FCT806T
INDEX
LCC
TOP VIEW
3 2 20 19
1
4
5
6
7
8
18
17
16
15
14
910111213
L20-2
OA
3
GND
OA
4
OA
5
GND
OB
2
OB
3
GND
OB
4
OB
5
2920 drw 04
OE
A
IN
A
IN
B
OE
B
MON
OA
2
OA
1
V
CC
V
CC
OB
1
PIN DESCRIPTION
2920 tbl 01
FUNCTION TABLE
(1)
OB1
OA1
OA3
GND
OA
4
OA5
OA2
OEA
INA
OB2
OB3
GND
OB
4
MON
IN
B
OB5
OEB
VCC
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
DIP/SOIC/SSOP/QSOP/CERPACK
TOP VIEW
P20-1
D20-1
SO20-2
SO20-7
SO20-8
&
E20-1
V
CC
2920 drw 03
GND
OB1
GND
GND
IN
A
OB2
OB3
GND
OB
4
MON
IN
B
OB5
OEB
VCC
1
2
3
4
5
6
7
8
9
10 11
12
13
14
15
16
17
18
19
20
DIP/SOIC/SSOP/QSOP/CERPACK
TOP VIEW
P20-1
D20-1
SO20-2
SO20-7
SO20-8
&
E20-1
VCC
2920 drw 05
OA1
OA3
OA2
OA4
OA5
OEA
OB
2
OB
3
GND
OB
4
OB
5
INDEX
LCC
TOP VIEW
3 2 20 19
1
4
5
6
7
8
18
17
16
15
14
9 10111213
L20-2
GND
GND
2920 drw 06
OA
3
OA
4
OA
5
OE
A
IN
A
IN
B
OE
B
MON
OA
2
OA
1
V
CC
V
CC
OB
1
Pin Names Description
A, B 3-State Output Enable Inputs (Active LOW)
INA, INB Clock Inputs
OAn, OBn Clock Outputs (FCT805T)
n, n Clock Outputs (FCT806T)
MON Monitor Output (FCT805T)
Monitor Output (FCT806T)
Outputs
Inputs
49FCT805T 49FCT806T
A, B INA, INB OAn, OBn MON n, n
LLLLHH
LHHHLL
HLZLZH
HHZHZL
NOTE: 2920 tbl 02
1. H = HIGH, L = LOW, Z = High Impedance
IDT49FCT805BT/CT, 806BT/CT
FAST CMOS BUFFER/CLOCK DRIVER MILITARY AND COMMERCIAL TEMPERATURE RANGES
9.2 3
ABSOLUTE MAXIMUM RATINGS
(1)
CAPACITANCE (TA = +25°C, f = 1.0MHz)
NOTE:
1. This parameter is measured at characterization but not tested.
2920 lnk 04
Symbol Parameter
(1)
Conditions Typ. Max. Unit
CIN Input
Capacitance
VIN = 0V 4.5 6.0 pF
COUT Output
Capacitance
VOUT = 0V 5.5 8.0 pF
Symbol Rating Commercial Military Unit
VTERM
(2)
Terminal Voltage
with Respect to
GND
–0.5 to +7.0 –0.5 to +7.0 V
VTERM
(3)
Terminal Voltage
with Respect to
GND
–0.5 to V
CC
+0.5
–0.5 to V
CC
+0.5
V
TA Operating
Temperature
0 to +70 –55 to +125 °C
TBIAS Temperature
Under Bias
–55 to +125 –65 to +135 °C
TSTG Storage
Temperature
–55 to +125 –65 to +150 °C
IOUT DC Output
Current
–60 to +120 –60 to +120 mA
2920 lnk 03
NOTES:
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RAT-
INGS may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other condi-
tions above those indicated in the operational sections of this specifica-
tion is not
implied. Exposure to absolute maximum rating conditions for
extended periods may affect reliability. No terminal voltage may exceed
V
CC by +0.5V unless otherwise noted.
2. Input and V
CC terminals.
3. Output and I/O terminals.
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, +25°C ambient.
3. Not more than one output should be tested at one time. Duration of the test should not exceed one second.
4. Duration of the condition can not exceed one second.
5. The test limit for this parameter is ± 5µA at T
A = –55°C.
2920 lnk 05
Symbol Parameter Test Conditions
(1)
Min. Typ.
(2)
Max. Unit
V
IH
Input HIGH Level Guaranteed Logic HIGH Level 2.0 V
V
IL
Input LOW Level Guaranteed Logic LOW Level 0.8 V
I
I H
Input HIGH Current
(5)
V
CC
= Max. V
I
= 2.7V
±
1
µ
A
I
I L
Input LOW Current
(5)
V
CC
= Max. V
I
= 0.5V
±
1
µ
A
I
OZH
High Impedance Output Current V
CC
= Max. V
O
= 2.7V
±
1
µ
A
I
OZL
(3-State Output pins)
(5)
V
O
= 0.5V
±
1
µ
A
I
I
Input HIGH Current
(5)
V
CC
= Max., V
I
= V
CC
(Max.)
±
1
µ
A
V
IK
Clamp Diode Voltage V
CC
= Min., I
IN
= –18mA –0.7 –1.2 V
I
OS
Short Circuit Current V
CC
= Max.
(3)
, V
O
= GND –60 –120 –225 mA
V
OH
Output HIGH Voltage V
CC
= Min.
V
IN
= V
IH
or V
IL
I
OH
= –12mA MIL.
I
OH
= –15mA COM'L.
2.4 3.3 V
I
OH
= –24mA MIL.
I
OH
= –32mA COM'L.
(4)
2.0 3.0
V
OL
Output LOW Voltage V
CC
= Min.
V
IN
= V
IH
or V
IL
I
OL
= 32mA MIL.
I
OL
= 48mA COM'L.
0.3 0.55 V
I
OFF
Input/Output Power Off Leakage
(5)
V
CC
= 0V, V
IN
or V
O
4.5V
±
1
µ
A
V
H
Input Hysteresis for all inputs 150 mV
I
CCL
I
CCH
I
CCZ
Quiescent Power Supply Current V
CC
= Max., V
IN
= GND or V
CC
5 500
µ
A
DC ELECTRICAL CHARACTERISTICS OVER OPERATING RANGE
Following Conditions Apply Unless Otherwise Specified
Commercial: T
A = 0°C to +70°C, VCC = 5.0V ± 5%; Military: TA = –55°C to +125°C, VCC
= 5.0V ± 10%
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