参数资料
型号: CY74FCT827ATSOCT
厂商: Texas Instruments
文件页数: 6/11页
文件大小: 0K
描述: IC BUFFER TRI-ST 10BIT 24SOICW
标准包装: 2,000
系列: 74FCT
逻辑类型: 缓冲器/线路驱动器,非反相
元件数: 1
每个元件的位元数: 10
输出电流高,低: 32mA,64mA
电源电压: 4.75 V ~ 5.25 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 24-SOIC(0.295",7.50mm 宽)
供应商设备封装: 24-SOIC
包装: 带卷 (TR)
CY54FCT827T, CY74FCT827T
10-BIT BUFFERS
WITH 3-STATE OUTPUTS
SCCS034A – SEPTEMBER 1994 – REVISED OCTOBER 2001
4
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
electrical characteristics over recommended operating free-air temperature range (unless
otherwise noted) (continued)
PARAMETER
TEST CONDITIONS
CY54FCT827T
CY74FCT827T
UNIT
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
UNIT
ICCD
VCC = 5.5 V, One input switching at 50% duty cycle,
Outputs open, OE1 or OE2 = GND,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
0.06
0.12
mA/
ICCD
VCC = 5.25 V, One input switching at 50% duty cycle,
Outputs open, OE1 or OE2 = GND,
VIN ≤ 0.2 V or VIN ≥ VCC – 0.2 V
0.06
0.12
MHz
#
One bit switching
at f1 = 10 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
0.7
1.4
#
VCC = 5.5 V,
Outputs open
1
at 50% duty cycle VIN = 3.4 V or GND
1
2.4
#
Outputs open,
OE1 or OE2 = GND 10 bits switching
at f1 = 2.5 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
1.6
3.2||
IC#
1
at 50% duty cycle VIN = 3.4 V or GND
4.1
13.2||
mA
IC#
One bit switching
at f1 = 10 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
0.7
1.4
mA
VCC = 5.25 V,
Outputs open
1
at 50% duty cycle VIN = 3.4 V or GND
1
2.4
Outputs open,
OE1 or OE2 = GND 10 bits switching
at f1 = 2.5 MHz
VIN ≤ 0.2 V or
VIN ≥ VCC – 0.2 V
1.6
3.2||
1
at 50% duty cycle VIN = 3.4 V or GND
4.1
13.2||
Ci
5
10
5
10
pF
Co
9
12
9
12
pF
This parameter is derived for use in total power-supply calculations.
# IC
= ICC + ICC × DH × NT + ICCD (f0/2 + f1 × N1)
Where:
IC
= Total supply current
ICC
= Power-supply current with CMOS input levels
ICC = Power-supply current for a TTL high input (VIN = 3.4 V)
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)
f0
= Clock frequency for registered devices, otherwise zero
f1
= Input signal frequency
N1
= Number of inputs changing at f1
All currents are in milliamperes and all frequencies are in megahertz.
|| Values for these conditions are examples of the ICC formula.
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