参数资料
型号: IDT74FCT257DTQG
厂商: IDT, Integrated Device Technology Inc
文件页数: 2/6页
文件大小: 0K
描述: IC MUX QUAD 2INPUT 3ST 16-QSOP
标准包装: 97
系列: 74FCT
类型: 多路复用器
电路: 1 x 4:1
独立电路: 1
输出电流高,低: 15mA,48mA
电压电源: 单电源
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-QSOP
包装: 管件
其它名称: 74FCT257DTQG
INDUSTRIALTEMPERATURERANGE
2
IDT74FCT257AT/CT/DT
FASTCMOSQUAD2-INPUTMULTIPLEXER
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
PIN DESCRIPTION
Pin Names
Description
I0A–I0D
Source 0 Data Inputs
I1A–I1D
Source 1 Data Inputs
OE
Output Enable (Active LOW)
S
Select Input
ZA–ZD
Outputs
FUNCTION TABLE(1)
Inputs
OE
SI0
I1
Output Zx
HX
X
Z
LH
X
L
LH
X
H
LL
L
X
L
LL
H
X
H
NOTE:
1. H = HIGH Voltage Level
L = LOW Voltage Level
X = Don’t Care
Z = High-Impedance
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
S
I0A
GND
ZB
I0B
I1B
I1A
OE
I0C
I1C
ZC
I0D
I1D
ZD
VCC
ZA
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