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參數(shù)資料
| 型號(hào)： | IDT74FCT2543ATSOG |
| 廠商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分類： | 總線收發(fā)器 |
| 英文描述： | FCT SERIES, 8-BIT REGISTERED TRANSCEIVER, TRUE OUTPUT, PDSO24 |
| 封裝： | SOIC-24 |
| 文件頁(yè)數(shù)： | 2/7頁(yè) |
| 文件大?。?/td> | 72K |
| 代理商： | IDT74FCT2543ATSOG |
INDUSTRIALTEMPERATURERANGE
2
IDT74FCT2543AT/CT
FASTCMOSOCTALLATCHEDTRANSCEIVER
PIN CONFIGURATION
Symbol
Description
Max
Unit
VTERM(2)
Terminal Voltage with Respect to GND
–0.5 to +7
V
VTERM(3)
Terminal Voltage with Respect to GND
–0.5 to VCC+0.5
V
TSTG
Storage Temperature
–65 to +150
° C
IOUT
DC Output Current
–60 to +120
mA
ABSOLUTE MAXIMUM RATINGS(1)
NOTES:
1. Stresses greater than those listed under ABSOLUTE 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. No terminal voltage may exceed
Vcc by +0.5V unless otherwise noted.
2. Inputs and Vcc terminals only.
3. Output and I/O terminals only.
Symbol
Parameter
(1)
Conditions
Typ.
Max.
Unit
CIN
Input Capacitance
VIN = 0V
6
10
pF
COUT
Output Capacitance
VOUT = 0V
8
12
pF
CAPACITANCE (TA = +25°C, F = 1.0MHz)
NOTE:
1. This parameter is measured at characterization but not tested.
SOIC/ QSOP
TOP VIEW
2
3
1
20
19
18
15
16
B6
B7
23
22
24
21
17
VCC
CEBA
B2
B0
B1
B3
B4
B5
13
14
LEAB
OEAB
9
10
A6
A7
5
6
7
4
8
A1
OEBA
A0
A2
A5
A3
A4
LEBA
11
12
CEAB
GND
PIN DESCRIPTION
Pin Names
Description
OEAB
A-to-B Output Enable Input (Active LOW)
OEBA
B-to-A Output Enable Input (Active LOW)
CEAB
A-to-B Enable Input (Active LOW)
CEBA
B-to-A Enable Input (Active LOW)
LEAB
A-to-B Latch Enable Input (Active LOW)
LEBA
B-to-A Latch Enable Input (Active LOW)
A0–A7
A-to-B Data Inputs or B-to-A 3-State Outputs
B0–B7
B-to-A Data Inputs or A-to-B 3-State Outputs
FUNCTION TABLE(1,2)
For A-to-B (Symmetric with B-to-A)
Latch
Output
Inputs
Status
Buffers
CEAB
LEAB
OEAB
A-to-B
B0–B7
H
X
Storing
High Z
X
H
X
Storing
X
H
X
High Z
L
Transparent
Current A Inputs
L
H
L
Storing
Previous* A Inputs
NOTES:
1. * Before
LEAB LOW-to-HIGH Transition
H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
2. A-to-B data flow shown; B-to-A flow control is the same, except using
CEBA, LEBA
and
OEBA.
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