参数资料
型号: MAX3634ETM+T
厂商: Maxim Integrated Products
文件页数: 4/8页
文件大小: 0K
描述: IC CLOCK PHASE ALIGNER 48-TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 时钟相位定位器
PLL:
主要目的: GPON 光纤线路终端(OLT)接收器
输入: LVPECL
输出: LVPECL
电路数: 1
比率 - 输入:输出: 1:1
差分 - 输入:输出: 是/是
频率 - 最大: 155.52MHz
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: 48-WFQFN 裸露焊盘
供应商设备封装: 48-TQFN-EP(7x7)
包装: 带卷 (TR)
MAX3634
622Mbps/1244Mbps Burst-Mode Clock
Phase Aligner for GPON OLT Applications
4
_______________________________________________________________________________________
PIN
NAME
FUNCTION
1, 2, 12, 25, 36, 37, 48
GND
Supply Ground
3, 6, 7, 10
VCCI
+3.3V Supply for Input Buffers
4
SDI+
Positive Serial Data Input, LVPECL
5
SDI-
Negative Serial Data Input, LVPECL
8
RST
+
Positive Reset Input, LVPECL. Reset (= RST
+ - RST-) is falling edge triggered.
9
RST-
Negative Reset Input, LVPECL
11, 38, 39, 44, 47
VCC
+3.3V Supply for Digital Circuitry
13–20, 22, 23
TEST
Production Test Pins, Reserved. Leave open for normal operation.
21, 24, 26, 29, 32, 35
VCCO
+3.3V Supply for Output Buffers
27
LOCK-
Negative Lock Status Output, LVPECL
28
LOCK+
Positive Lock Status Output, LVPECL. Lock (=
(LOCK+) - (LOCK-)) high indicates that the
MAX3634 has acquired the correct phase.
30
SDO-
Negative Serial Data Output, LVPECL
31
SDO+
Positive Serial Data Output, LVPECL
33
SCLK-
Negative Serial Clock Output, LVPECL
34
SCLK+
Positive Serial Clock Output, LVPECL
40
RATESEL
Rate Select Input, TTL. High selects 622.08Mbps operation.
41, 43
VCCV
+3.3V Supply for VCO
42
FILT
PLL Filter Capacitor. Connect a 0.1F X7R capacitor from pin 42 to VCCV.
45
REFCLK-
Negative Reference Clock Input, LVPECL (1/8th data rate)
46
REFCLK+
Positive Reference Clock Input, LVPECL
EP
Exposed Pad The exposed pad must be connected to the ground plane for proper thermal performance.
Pin Description
Typical Operating Characteristics (continued)
(VCC = +3.3V and TA = +25
°C, unless otherwise noted)
JITTER TOLERANCE vs. SDI-TO-REFCLK
PHASE (1.244Gbps)
MAX3634
toc04
SDI-TO-REFCLK PHASE (ps)
JITTER
TOLERANCE
(UI
P-P
)
600
400
200
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
800
LIMITED BY TEST EQUIPMENT
JITTER TOLERANCE vs. SDI-TO-REFCLK
PHASE (622Mbps)
MAX3634
toc05
SDI-TO-REFCLK PHASE (ps)
JITTER
TOLERANCE
(UI
P-P
)
600
400
200
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
0
0800
LIMITED BY TEST EQUIPMENT
SUPPLY CURRENT
vs. TEMPERATURE
MAX3634
toc06
AMBIENT TEMPERATURE (
°C)
SUPPLY
CURRENT
(mA)
50
0
220
240
260
280
300
320
340
200
-50
100
EXCLUDES PECL OUTPUT CURRENT
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