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PDF PI74FCT373T Data sheet ( Hoja de datos )
| Número de pieza | PI74FCT373T | |
| Descripción | (PI74FCT573T / PI74FCT373T) Octal Transparent Latches | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI74FCT373T
PI74FCT573T
OctalTransparent Latches
Features:
• PI74FCT373/573T are pin compatible with bipolar FAST™
Series at a higher speed and lower power consumption
• TTL input and output levels
• Low ground bounce outputs
• Extremely low static power
• Hysteresis on all inputs
www.DataS•heIent4dUu.sctormial operating temperature range: –40°C to +85°C
• Device models available upon request
• Packaging:
PI74FCT373T (Pb-free & Green available)
– 20-pin TSSOP (L)
– 20-pin QSOP (Q)
– 20-pin SOIC (S)
PI74FCT573T (Pb-free & Green available)
– 20-pin QSOP (Q)
– 20-pin SOIC (S)
Description:
Pericom Semiconductor’s PI74FCT373T and PI74FCT 573T are
8-bit wide octal transparent latches designed with 3-state outputs
and are intended for bus oriented applications. When Latch Enable
(LE) is HIGH, the flip-flops appear transparent to the data. The data
that meets the set-up time when LE is LOW is latched. When OE is
HIGH, the bus output is in the high impedance state.
Block Diagram
D0 D1 D2 D3 D4 D5 D6 D7
D
O
G
D
O
G
D
O
G
D
O
G
D
O
G
D
O
G
D
O
G
D
O
G
LE
OE
O0 O1 O2 O3 O4 O5 O6 O7
06-0218
1
PS2015E
04/12/07
1 page  
PI74FCT373T
PI74FCT573T
OCTAL TRANSPARENT LATCHES
PI74FCT373T Switching Characteristics over Operating Range
Parameters Description
Conditions
373T
Com.
Min Max
tPLH
tPHL
tPLH
tPHL
tPZH
www.DataSheett4PUZL.com
tPHZ
tPLZ
tSU
tH
tW
PropagationDelay(1)
DN to ON
PropagationDelay(1)
LE to ON
OutputEnableTime
OE to ON
Output Disable Time(2)
OE to ON
SetupTimeHIGHor
LOW, DN to LE
HoldTimeHIGHor
LOW, DN to LE
LE Pulse Width(2)
HIGH
CL = 50 pF
RL = 500Ω
1.5 8.0
2.0 13.0
1.5 12.0
1.5 7.5
2.0
1.5
6.0
Notes:
1. Minimum limits are guaranteed but not tested on Propagation Delays.
2. This parameter guaranteed but not production tested.
373AT
Com.
Min Max
1.5 5.2
2.0 8.5
1.5 6.5
1.5 5.5
2.0
1.5
5.0
373CT
Com.
Min Max
1.5 4.2
2.0 5.5
1.5 5.5
1.5 5.0
2.0
1.5
5.0
373DT
Com.
Min Max
1.5 3.8
Unit
ns
1.5 4.9 ns
1.5 5.5 ns
1.5 5.0 ns
2.0 ns
1.5 ns
4.0 ns
PI74FCT573T Switching Characteristics over Operating Range
Parameters Description
Conditions
573T
Com.
Min Max
tPLH PropagationDelay(1)
tPHL DN to ON
tPLH PropagationDelay(1)
tPHL LE to ON
tPZH OutputEnableTime
tPZL OE to ON
tPHZ OutputDisableTime(2)
tPLZ OE to ON
tSU SetupTimeHIGHor
LOW, DN to LE
tH HoldTimeHIGHor
LOW, DN to LE
tW LEPulseWidth(2)
HIGH
CL = 50 pF
RL = 500Ω
1.5 8.0
2.0 12.0
1.5 9.5
1.5 6.5
2.0
1.5
6.0
Notes:
1. Minimum limits are guaranteed but not tested on Propagation Delays.
2. This parameter guaranteed but not production tested.
573AT
Com.
Min Max
1.5 5.2
2.0 8.5
1.5 6.5
1.5 5.5
2.0
1.5
5.0
573CT
Com.
Min Max
1.5 4.2
2.0 5.5
1.5 5.5
1.5 5.0
2.0
1.5
5.0
573DT
Com.
Min Max
1.5 3.8
Unit
ns
2.0 4.9 ns
1.5 5.5 ns
1.5 5.0 ns
1.5 ns
1.0 ns
3.0 ns
06-0218
5
PS2015E 04/12/07
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet PI74FCT373T.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| PI74FCT373T | (PI74FCT573T / PI74FCT373T) Octal Transparent Latches | Pericom Semiconductor Corporation |
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