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Pericom Semiconductor Corporation

PI74FCT377T Datasheet Preview

PI74FCT377T Datasheet

FAST CMOS OCTAL D FLIP-FLOP

No Preview Available !

PI74FCT377T
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PI74FCT377T
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Product Features:
• The PI74FCT377T is pin compatible with bipolar FAST™
Series at a higher speed and lower power
consumption
• TTL input and output levels
• Octal D flip-flops with Clock Enable
• Extremely low static power
• Hysteresis on all inputs
• Industrial operating temperature range: –40°C to +85°C
www.DataShePeta4cUk.acogmes available:
– 20-pin 173 mil wide plastic TSSOP (L)
– 20-pin 300 mil wide plastic DIP (P)
– 20-pin 150 mil wide plastic QSOP (Q)
– 20-pin 150 mil wide plastic TQSOP (R)
– 20-pin 300 mil wide plastic SOIC (S)
Fast CMOS Octal D Flip-Flop
with Clock Enable
Product Description:
Pericom Semiconductor’s PI74FCT series of logic circuits are pro-
ducedintheCompany’sadvanced 0.6/0.8micron CMOStechnology,
achieving industry leading speed grades.
The PI74FCT377T is an 8-bit wide octal designed with eight edge-
triggered D-type flip-flops with individual D inputs and O outputs.
When Clock Enable (CE) is LOW, the common buffered Clock
(CP) loads all flip-flops simultaneously. The register is fully edge-
triggered. D input state, one setup time before the LOW-to-HIGH
clock transition, is transferred to the corresponding flip-flop’s O
output. The CE input must be stable only one setup time prior to
the LOW-to-HIGH transition for predictable operation.
Logic Block Diagram
D0 D1 D2 D3 D4 D5 D6 D7
CE
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
CP CP CP CP CP CP CP CP
CP
O0 O1 O2 O3 O4 O5 O6 O7
Product Pin Configuration
CE
O0
D0
D1
O1
O2
D2
D3
O3
GND
1 20
2 19
3 20-PIN 18
4 L20 17
5 P20 16
6
Q20
R20
15
7 S20 14
8 13
9 12
10 11
Vcc
O7
D7
D6
O6
O5
D5
D4
O4
CP
Product Pin Description
Truth Table(1)
Pin Name Description
Inputs
Outputs
CE
CP
D0-D7
O0-O7
Clock Enable (Active LOW)
Clock Pulse Input
Data Inputs
Data Outputs
Mode
Load "1"
Load "0"
Hold
CP CE DN ON
l hH
l lL
h X NC
GND
Ground
(Do Nothing) H H X NC
VCC Power
1. H = HIGH Voltage Level
h = HIGH Voltage Level one setup time
prior to the LOW-to-HIGH Clock
Transition
L = LOW Voltage Level
l = LOW Voltage Level one setup time
prior to the LOW-to-HIGH Clock
Transition
X = Don't Care
NC = No Change
= LOW-to-HIGH Clock Transition
1 PS2017A 03/11/96




Pericom Semiconductor Corporation

PI74FCT377T Datasheet Preview

PI74FCT377T Datasheet

FAST CMOS OCTAL D FLIP-FLOP

No Preview Available !

PI74FCT377T
1234567890123456789012345678901212345678901234567890123456789012123456789012O34C56T789A01L234D567F89L01I2P12-3F45L67O89P012w34i5t6h789C01L23O45C678K901E21N23A45B678L90E12
Maximum Ratings
(Above which the useful life may be impaired. For user guidelines, not tested.)
Storage Temperature .................................................................... –65°Cto+150°C
Ambient Temperature with Power Applied .....................................-40°Cto+85°C
Supply Voltage to Ground Potential (Inputs & Vcc Only) .............. –0.5Vto+7.0V
Supply Voltage to Ground Potential (Outputs & D/O Only) ........... –0.5Vto+7.0V
DC Input Voltage ............................................................................ –0.5Vto+7.0V
DC Output Current ..................................................................................... 120mA
Power Dissipation ..........................................................................................0.5W
Note:
Stresses greater than those listed under
MAXIMUM RATINGS may cause permanent
damage to the device. This is a stress rating
only and functional operation of the device at
these or any other conditions above those
indicated in the operational sections of this
specification is not implied. Exposure to
absolute maximum rating conditions for
extended periods may affect reliability.
www.DataSheet4U.com
DC Electrical Characteristics (Over the Operating Range, TA = –40°C to +85°C, VCC = 5V ± 5%)
Parameters Description
Test Conditions(1)
Min. Typ(2)
VOH Output HIGH Voltage VCC = Min., VIN = VIH or VIL
IOH = –15.0 mA
2.4 3.0
VOL Output LOW Current VCC = Min., VIN = VIH or VIL
IOL = 64 mA
0.3
VIH Input HIGH Voltage Guaranteed Logic HIGH Level
2.0
VIL Input LOW Voltage Guaranteed Logic LOW Level
IIH Input HIGH Current VCC = Max.
VIN = VCC
IIL Input LOW Current VCC = Max.
VIN = GND
VIK Clamp Diode Voltage VCC = Min., IIN = –18 mA
–0.7
IOS Short Circuit Current VCC = Max.(3), VOUT = GND
–60 –120
IOFF Power Down Disable VCC = GND, VOUT = 4.5V
——
VH Input Hysteresis
200
Max.
0.55
0.8
1
–1
–1.2
100
Units
V
V
V
V
µA
µA
V
mA
µA
mV
Capacitance (TA = 25°C, f = 1 MHz)
Parameters(4) Description
CIN Input Capacitance
COUT
Output Capacitance
Test Conditions
VIN = 0V
VOUT = 0V
Typ
Max.
Units
6 10 pF
8 12 pF
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at Vcc = 5.0V, +25°C ambient and maximum loading.
3. Not more than one output should be shorted at one time. Duration of the test should not exceed one second.
4. This parameter is determined by device characterization but is not production tested.
2 PS2017A 03/11/96


Part Number PI74FCT377T
Description FAST CMOS OCTAL D FLIP-FLOP
Maker Pericom Semiconductor Corporation
Total Page 3 Pages
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