参数资料
型号: PI74FCT3244QEX
厂商: Pericom
文件页数: 4/7页
文件大小: 0K
描述: IC BUFF/DVR OCTAL N-INV 20QSOP
标准包装: 3,000
系列: 74FCT
逻辑类型: 缓冲器/线路驱动器,非反相
元件数: 2
每个元件的位元数: 4
输出电流高,低: 60mA,90mA
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 20-SSOP(0.154",3.90mm 宽)
供应商设备封装: 20-QSOP
包装: 带卷 (TR)
PI74FCT3244
3.3V 8-Bit Buffer/Line Driver
4
PS7067I
06/20/06
Power Supply Characteristics
Parameters
Description
Test Conditions(1)
Min.
Typ.(2)
Max.
Units
ICC
Quiescent Power
Supply Current
VCC = Max.
VIN = GND or VCC
0.1
10
Μ
A
ΔICC
Quiescent Power
Supply Current, TTL
Inputs HIGH
VCC = Max.
VIN = VCC – 0.6V(3)
500
A
ICCD
Dynamic Power
Supply(4)
VCC = Max.,
Outputs Open
OEX = GND
One Bit Toggling
50% Duty Cycle
VIN = VCC
VIN = GND
95
100
A/
MHz
IC
Total Power Supply
Current(6)
VCC = Max.,
Outputs Open
fI = 10 MHZ
50% Duty Cycle
OEX = GND
One Bit Toggling
VIN = VCC – 0.6V
VIN = GND
0.97
2.3
mA
VCC = Max.,
Outputs Open
fI = 2.5 MHZ
50% Duty Cycle
OEX = GND
8 Bits Toggling
VIN = VCC – 0.6V
VIN = GND
1.9
4.7(5)
Notes:
1. For Max. or Min. conditions, use appropriate value specified under Electrical Characteristics for the applicable device.
2. Typical values are at VCC = 3.3V, TA=+25°C.
3. Per TTL driven input; all other inputs at Vcc or GND.
4. This parameter is not directly testable, but is derived for use in Total Power Supply Calculations.
5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.
6. IC =IQUIECSENT + IINPUTS + IDYNAMIC
IC = ICC + ΔICC DHNT + ICCD (fCP/2 + fINI)
ICC = Quiescent Current (ICCL, ICCH and ICCZ)
ΔICC = Power Supply Current for a TTL High Input
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)
fCP = Clock Frequency for Register Devices (Zero for Non-Register Devices)
NCP = Number of Clock Inputs at fCP
fI = Input Frequency
NI = Number of Inputs at fI
06-0218
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