参数资料
型号: EL4584CSZ-T13
厂商: Intersil
文件页数: 10/15页
文件大小: 0K
描述: IC GENLOCK HORZ 4FSC 16-SOIC
标准包装: 2,500
类型: 锁相环路(PLL)
PLL:
输入: CMOS,TTL
输出: CMOS,TTL
电路数: 1
比率 - 输入:输出: 3:1
差分 - 输入:输出: 无/无
频率 - 最大: 36MHz
除法器/乘法器: 是/无
电源电压: 5V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SOIC(0.154",3.90mm 宽)
供应商设备封装: 16-SOIC
包装: 带卷 (TR)
4
FN7174.3
May 9, 2008
Pin Descriptions
PIN NUMBER
PIN NAME
FUNCTION
1, 2, 16
PROG B,
PROG C, PROG A
Digital inputs to select ÷ N value for internal counter. See Table 2 for values.
3
OSC/VCO OUT
Output of internal inverter/oscillator. Connect to external crystal or LC tank VCO circuit.
4
VDD (A)
Analog positive supply for oscillator, PLL circuits.
5
OSC/VCO IN
Input from external VCO.
6
VSS (A)
Analog ground for oscillator, PLL circuits.
7
CHARGE PUMP
OUT
Connect to loop filter. If the HSYNC phase is leading or HSYNC frequency > CLK ÷ N, current is pumped
into the filter capacitor to increase VCO frequency. If HSYNC phase is lagging or frequency < CLK ÷ N,
current is pumped out of the filter capacitor to decrease VCO frequency. During coast mode or when
locked, charge pump goes to a high impedance state.
8
DIV SELECT
Divide select input. When high, the internal divider is enabled and EXT DIV becomes a test pin, outputting
CLK ÷ N. When low, the internal divider is disabled and EXT DIV is an input from an external ÷ N.
9
COAST
Tri-state logic input. Low (<1/3*VCC) = normal mode, Hi Z (or 1/3 to 2/3*VCC) = fast lock mode,
High (>2/3*VCC) = coast mode.
10
HSYNC IN
Horizontal sync pulse (CMOS level) input.
11
VDD (D)
Positive supply for digital, I/O circuits.
12
LOCK DETECT
Lock Detect output. Low level when PLL is locked. Pulses high when out of lock.
13
EXT DIVIDER
External Divide input when DIV SEL is low, internal ÷N output when DIV SEL is high.
14
VSS (D)
Ground for digital, I/O circuits.
15
CLK OUT
Buffered output of the VCO.
TABLE 2. VCO DIVISORS
PROG A (PIN 16)
PROG B (PIN 1)
PROG C (PIN 2)
DIV VALUE (N)
000
851
001
864
010
944
011
1135
100
682
101
858
110
780
111
910
EL4584
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