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参数资料
| 型号： | IDT74FCT388915TEJG8 |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | FCT SERIES, PLL BASED CLOCK DRIVER, 7 TRUE OUTPUT(S), 1 INVERTED OUTPUT(S), PQCC28 |
| 封装： | PLASTIC, LCC-28 |
| 文件页数： | 5/10页 |
| 文件大小： | 119K |
| 代理商： | IDT74FCT388915TEJG8 |
COMMERCIALTEMPERATURERANGE
4
IDT74FCT388915T
3.3V LOW SKEW PLL-BASED CMOS CLOCK DRIVER (3-STATE)
POWER SUPPLY CHARACTERISTICS
Symbol
Parameter
Test Conditions(1)
Min.
Typ.(2)
Max.
Unit
ΔICC
Quiescent Power Supply Current
VCC = Max.
VIN = VCC –0.6V(3)
—2
30
A
TTL Inputs HIGH
VIN = VCC –2.1V(3)
ICCD
Dynamic Power Supply Current(4)
VCC = Max.
VIN = VCC
—
0.2
0.3
mA/
All Outputs Open
VIN = GND
MHz
CPD
Power Dissipation Capacitance
50% Duty Cycle
—
15
25
pF
IC
Total Power Supply Current(6)
VCC = Max.
—
30
60
mA
PLL_EN = 1, LOCK = 1, FEEDBACK = Q4
SYNC frequency = 50MHz. All bits loaded with 15pF
VCC = Max.
—
90
120
mA
PLL_EN = 1, LOCK = 1, FEEDBACK = Q4
SYNC frequency = 50MHz. All bits loaded with 50
Ω Thevenin
terminationand20pF
NOTES:
1. For conditions shown as Max. or Min., use appropriate value specified under Electrical Characteristics for the applicable device type.
2. Typical values are at VCC = 3.3V, +25°C ambient.
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. It is derived with Q frequency as the reference.
5. Values for these conditions are examples of the ICC formula. These limits are guaranteed but not tested.
6. IC = IQUIESCENT + IINPUTS + IDYNAMIC
IC = ICC + DICC DHNT + ICCD (f) + ILOAD
ICC = Quiescent Current (ICCL
, ICCH and ICCZ)
ΔICC = Power Supply Current for a TTL High Input (VIN = 3.4V)
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)
f = 2Q Frequency
ILOAD = Dynamic Current due to load.
OUTPUT FREQUENCY SPECIFICATIONS
Max. (2)
Symbol
Parameter
Min.
70
100
133(3)
150(3)
Unit
f2Q
Operating frequency 2Q Output
40
70
100
133
150
MHz
fQ
Operating frequency Q0-Q4,
Q5Outputs
20
35
50
66.7
75
MHz
fQ/2
Operating frequency Q/2 Output
10
17.5
25
33.3
37.5
MHz
SYNCH INPUT TIMING REQUIRMENTS
Symbol
Parameter
Min.
Max.
Unit
TRISE/FALL
Rise/Fall Times, SYNC inputs
—
3
ns
(0.8V to 2V)
Frequency
Input Frequency, SYNC Inputs
10(1)
2Q fmax
MHz
Duty Cycle Input Duty Cycle, SYNC Inputs
25%
75%
—
NOTES:
1. Note 7 in "General AC Specification Notes" and Figure 3 describes this specification and its actual limits depending on the feedback connection.
2. Maximum operating frequency is guaranteed with the part in a phase locked condition and all outputs loaded.
3. At this frequency, 2Q cannot be used as feedback.
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| IDT74FCT521ATPYG | 功能描述:IC COMPARATOR IDENTITY 8B 20SSOP RoHS:是 类别:集成电路 (IC) >> 逻辑 - 比较器 系列:74FCT 标准包装:1 系列:4000B 类型:幅值比较器 位数:4 输出:高有效 输出功能:A<B，A=B，A>B 电源电压:3 V ~ 18 V 输出电流高，低:4.2mA，4.2mA 额定电压和最大 CL 时的最大传播延迟:350ns @ 15V，50pF 电流 - 静态:100µA 工作温度:-55°C ~ 125°C 封装/外壳:16-SOIC（0.209"，5.30mm 宽） 安装类型:表面贴装 包装:剪切带 (CT) 其它名称:296-14121-1 |
| IDT74FCT521ATPYG8 | 功能描述:IC COMPARATOR IDENTITY 8B 20SSOP RoHS:是 类别:集成电路 (IC) >> 逻辑 - 比较器 系列:74FCT 标准包装:1 系列:4000B 类型:幅值比较器 位数:4 输出:高有效 输出功能:A<B，A=B，A>B 电源电压:3 V ~ 18 V 输出电流高，低:4.2mA，4.2mA 额定电压和最大 CL 时的最大传播延迟:350ns @ 15V，50pF 电流 - 静态:100µA 工作温度:-55°C ~ 125°C 封装/外壳:16-SOIC（0.209"，5.30mm 宽） 安装类型:表面贴装 包装:剪切带 (CT) 其它名称:296-14121-1 |
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