参数资料
型号: IDT82V3155PVG
厂商: IDT, Integrated Device Technology Inc
文件页数: 22/34页
文件大小: 0K
描述: IC PLL WAN T1/E1/OC3 DUAL 56SSOP
标准包装: 26
类型: 时钟/频率发生器,多路复用器
PLL:
主要目的: 以太网,SONET/SDH,Stratum,T1/E1/OC3
输入: 时钟
输出: CMOS,LVDS,TTL
电路数: 1
比率 - 输入:输出: 2:12
差分 - 输入:输出: 无/是
频率 - 最大: 32.768MHz
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: 56-BSSOP(0.295",7.50mm 宽)
供应商设备封装: 56-SSOP
包装: 管件
其它名称: 82V3155PVG
Timing Characteristics
29
February 20, 2009
IDT82V3155
ENHANCED T1/E1/OC3 WAN PLL WITH DUAL REFERENCE INPUTS
8
TIMING CHARACTERISTICS
8.1
TIMING PARAMETER MEASUREMENT VOLTAGE LEVELS
Figure - 11 Timing Parameter Measurement Voltage Levels
Notes:
1. Voltages are with respect to ground (VSS) unless otherwise stated.
2. Supply voltage and operating temperature are as per Recommended Operating Conditions.
3. Timing for input and output signals is based on the worst case result of the CMOS thresholds.
8.2
INPUT/OUTPUT TIMING
Parameter
Description
CMOS
Units
VT
Threshold Voltage
0.5VDDD
V
VHM
Rise and Fall Threshold Voltage High
0.7VDDD
V
VLM
Rise and Fall Threshold Voltage Low
0.3VDDD
V
Parameter
Description
Min.
Typ.
Max.
Units
Test Conditions
tRW
Reference input pulse width high or low
51
ns
8 kHz, 1.544 MHz or 2.048 MHz
reference input
5
ns
19.44 MHz reference input
tIRF
Reference input rise or fall time
10
ns
tR8D
8 kHz reference input to F8o delay
8
ns
tR15D
1.544 MHz reference input to F8o delay
332
ns
tR2D
2.048 MHz reference input to F8o delay
253
ns
tR19D
19.44 MHz reference input to F8o delay
8
ns
tF0D
F8o to F0o delay
118
121
124
ns
tF16S
F16o setup to C16o falling
25
40
ns
tF16H
F16o hold to C16o falling
25
40
ns
tF19S
F19o setup to C19o falling
20
35
ns
tF19H
F19o hold to C19o falling
20
35
ns
tC15D
F8o to C1.5o delay
-3
0
+3
ns
tC3D
F8o to C3o delay
-3
1.6
+3
ns
tC6D
F8o to C6o delay
-3
1.6
+3
ns
tC2D
F8o to C2o
-2
0
+2
ns
tC4D
F8o to C4o
-2
0
+2
ns
Timing Reference Points
t
IRF,tORF
t
IRF,tORF
V
HM
V
T
V
LM
All Siganls
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