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PDF PI74FCT374T Data sheet ( Hoja de datos )
| Número de pieza | PI74FCT374T | |
| Descripción | (PI74FCT574T / PI74FCT374T) Fast CMOS Octal D Registers | |
| Fabricantes | Pericom Semiconductor Corporation | |
| Logotipo |  |
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PI74FCT374T
PI74FCT574T111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222333444555666777888999000111222333444555666777888999000111222111222333444555666777888999000111222
Fast CMOS Octal D Registers (3-State)
Features:
• 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
• Packaging (Pb-free & Green available):
– 20-pin 173-mil wide plastic TSSOP (L)
– 20-pin 150-mil wide plastic QSOP (Q)
– 20-pin 150-mil wide plastic TQSOP (R)
– 20-pin 209-mil wide plastic SSOP (H)
– 20-pin 300-mil wide plastic SOIC (S)
Description:
Pericom Semiconductor’s PI74FCT374T/574T are 8-bit wide octal
registers designed with eight D-type flip-flops with a buffered
common clock and buffered 3-state outputs. When output enable
(OE) is LOW, the outputs are enabled. When OE is HIGH, the outputs
are in the high impedance state. Input data meeting the setup and
hold time requirements of the D inputs is transferred to the O outputs
on the LOW-to-HIGH transition of the clock input. Device models
available upon request.
Block Diagram
CP
D0 D1 D2 D3 D4 D5 D6 D7
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
CP D
Q
OE
O0 O1
PI74FCT374 Pin Configuration
OE
O0
D0
D1
O1
O2
D2
D3
O3
GND
1 20
2 19
3 20-PIN 18
4 L20 17
5 H20 16
6 Q20 15
7 S20 14
8 13
9 12
10 11
Vcc
O7
D7
D6
O6
O5
D5
D4
O4
CP
O2 O3 O4 O5 O6 O7
PI74FCT574 Pin Configuration
OE
D0
D1
D2
D3
D4
D5
D6
D7
GND
1 20
2 19
3 20-PIN 18
4
5
6
L20
Q20
S20
17
16
15
7 14
8 13
9 12
10 11
Vcc
O0
O1
O2
O3
O4
O5
O6
O7
CP
1 PS2016C 10/01/04
1 page  
PI74FCT374T
PI74FCT574T
1122334455667788990011223344556677889900112233445566778899001122112233445566778899001122334455667788990011223344556677889900112211223344556677889900112233445566778899001122334455667788990011221122334455667788O9900c1122t33a44l5566D778899R0011e2233g44i55s66t77e8899r00s1122(1132233-44S5566t77a88t99e0011)22
PI74FCT374T Switching Characteristics over Operating Range
Parameters Description
Conditions(1)
374TT
Com.
Min
Max
374AT
Com.
Min
Max
tPLH
tPHL
tPZH
tPZL
tPHZ
www.DataSheett4PULZ.com
tSU
tH
tW
Propagation Delay
CP to ON
Output Enable Time
OE to ON
Output Disable Time(3)
OE to ON
Setup Time HIGH or
LOW, DN to CP
Hold Time HIGH or
LOW, DN to CP
CP Pulse Width(3)
HIGH or LOW
CL = 50pF
RL = 500Ω
2.0 10.0 2.0
1.5 12.5 1.5
1.5 8.0 1.5
2.0 — 2.0
1.5 — 1.5
7.0 — 5.0
6.5
6.5
5.5
—
—
—
374CT
Com.
Min
Max
2.0 5.2
1.5 5.5
1.5 5.0
2.0 —
1.5 —
5.0 —
374DT
Com.
Min
Max Units
2.0 4.5 ns
1.5 5.5 ns
1.5 5.0 ns
2.0 — ns
1.0 — ns
3.0 — ns
PI74FCT574T Switching Characteristics over Operating Range
Parameters
tPLH
tPHL
tPZH
tPZL
tPHZ
tPLZ
tSU
tH
tW
Description
Propagation Delay
CP to ON
Output Enable Time
OE to ON
Output Disable Time(3)
OE to ON
Setup Time HIGH or
LOW, DN to CP
Hold Time HIGH or
LOW, DN to CP
CP Pulse Width(3)
HIGH or LOW
Conditions(1)
CL = 50 pF
RL = 500Ω
574T
Com.
Min Max
2.0 8.5
1.5 10.0
1.5 6.5
2.0 —
1.5 —
7.0 —
574AT
Com.
Min Max
2.0 6.5
1.5 6.5
1.5 5.5
2.0 —
1.5 —
5.0 —
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.
574T
Com.
Min Max
2.0 5.2
1.5 5.5
1.5 5.0
2.0 —
1.5 —
5.0 —
574DT
Com.
Min Max
Unit
2.0 4.5 ns
1.5 5.5 ns
1.5 5.0 ns
2.0 — ns
1.0 — ns
3.0 — ns
5 PS2016C 10/01/04
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet PI74FCT374T.PDF ] | |
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