参数资料
型号: PI49FCT3805HE
厂商: Pericom
文件页数: 6/9页
文件大小: 0K
描述: IC CLK BUFFER 1:5 50MHZ 20-SSOP
产品变化通告: Product Discontinuation Notice 22/Jan/2010
标准包装: 66
系列: 49FCT
类型: 扇出缓冲器(分配)
电路数: 2
比率 - 输入:输出: 1:5
差分 - 输入:输出: 无/无
输入: CMOS,TTL
输出: CMOS
频率 - 最大: 50MHz
电源电压: 3 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(0.209",5.30mm 宽)
供应商设备封装: 20-SSOP
包装: 管件
5
PI49FCT3805/PI49FCT3806
3.3V Fast CMOS Buffer/Clock Driver
www.pericom.com
PS7007J
02/16/10
Switching Characteristics (TA = –40°C to +85°C, VCC = 3.3V ±0.3V)
Parameter Description
Test
Condi-
tions(1)
3805
3806
3805A
3806A
3805B
3806B
3805C
3806C
U
ni
ts
Com.
Min. Max. Min. Max.
Min.
Max. Min.
Max.
tPLH
Propagation Delay
INA to OAN,
INB to OBN
CL = 50pF
RL = 500
1.5
6.5
1.5
5.8
1.5
5.0
1.5
4.5
ns
tPZH
tPZL
Output Enable Time
OEA to OAN, OEB to OBN
1.5
8.0
1.5
8.0
1.5
6.5
1.5
6.2
tPHL
tPLZ
Output Disable Time
OEA to OAN, OEB to OBN
1.5
7.0
1.5
7.0
1.5
6.0
1.5
5.0
tSK(o)(3)
Skew between two outputs of
same package (same transition)
0.7
0.5
tSK(P)(3)
Skew between opposite transi-
tions (tPHL - tPLH) of the same
output
1.0
0.7
0.5
tSK(t)(3)
Skew between two outputs of
different package at same tem-
perature (Same transition)
1.5
1.2
1.0
0.8
Note:
1. See test circuit and waveforms
2. Minimum limits are guaranteed but not tested on Propagation Delays.
3. Skew measured at worst cast temperature (max. temp).
Tests Circuits for All Outputs(1)
except for FIN >100 MHz
Switch Position
Test
Switch
Disable LOW
Enable LOW
6V
Disable HIGH
Enable HIGH
GND
All Other Inputs
Open
Definitions:
CL = Load capacitance: includes jig and probe capacitance.
RT =Termination resistance: should be equal to ZOUT of the Pulse
Generator.
Pulse
Generator
D.U.T.
VIN
RT
VOUT
CL
500
50pF
VCC
6.0V
10-0117
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