PI74FCT623TR 데이터 시트보기 (PDF) - Pericom Semiconductor
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PI74FCT623TR Datasheet PDF : 3 Pages
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PI74FCT623T
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Power Supply Characteristics
Parameters Description
Test Conditions(1)
Min. Typ(2) Max. Units
ICC
Quiescent Power
Supply Current
VCC = Max.
VIN = GND
or Vcc
0.1 500 µA
∆ICC
Supply Current per
Input @ TTL HIGH
VCC = Max.,
VIN = 3.4V(3)
0.5 2.0 mA
ICCD
Supply Current per
Input per MHz(4)
VCC = Max., Outputs Open
VIN = VCC
GBA = GAB = GND,
VIN = GND
One Input Toggling, 50% Duty Cycle
0.15 0.25
IC
Total Power Supply
Current(6)
VCC = Max., Outputs Open
fCP = 10 MHZ, 50% Duty Cycle
GBA = GAB = GND, 50% Duty Cycle
One Bit toggling at fI = 5 MHZ
VCC = Max., Outputs Open
fCP = 10 MHZ, 50% Duty Cycle
GBA = GAB = GND, 50% Duty Cycle
Eight Bits toggling at fI = 2.5 MHZ
50% Duty Cycle
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
VIN = VCC
VIN = GND
VIN = 3.4V
VIN = GND
1.5 3.5(5)
1.8 4.5(5)
3.0 6.0(5)
5.0 14.0(5)
Notes:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at Vcc = 5.0V, +25°C ambient.
3. Per TTL driven input (VIN = 3.4V); all other inputs at Vcc or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the Icc formula. These limits are guaranteed but not tested.
6. IC =IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + ∆ICC DHNT + ICCD (fCP/2 + fINI)
ICC = Quiescent Current
∆ICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
DH = Duty Cycle for TTL Inputs High
NT = Number of TTL Inputs at DH
ICCD = Dynamic Current Caused by an Input Transition Pair (HLH or LHL)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
fI = Input Frequency
NI = Number of Inputs at fI
All currents are in milliamps and all frequencies are in megahertz.
mA/
MHz
mA
Switching Characteristics over Operating Range
623T
Com.
Parameters Description
Conditions(1)
Min
Max
tPLH
Propagation Delay
tPHL
AN to BN
tPLH
Propagation Delay
tPHL
BN to AN
tPZH
Output Enable Time
tPZL
GBA to AN
tPZH
Output Disable Time(3)
tPZL
GBA to AN
tPZH
Output Enable Time
tPZL
GAB to BN
tPZH
Output Disable Time(3)
CL = 50 pF
RL = 500Ω
1.5
7.5
1.5
7.5
1.5
9.0
1.5
8.0
1.5
9.0
1.5
8.0
tPZL
GAB to BN
Notes:
1. See test circuit and wave forms.
2 Minimum limits are guaranteed but not tested on Propagation Delays.
3. This parameter is guaranteed but not production tested.
623AT
Com.
Min
Max
1.5
5.5
1.5
5.5
1.5
7.0
1.5
6.5
1.5
7.0
1.5
6.5
623CT
Com.
Min
Max
Units
1.5
4.8
ns
1.5
4.8
ns
1.5
6.1
ns
1.5
5.6
ns
1.5
6.1
ns
1.5
5.6
ns
3
PS2021B
06/20/01
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