ICS8531-01 查看數據表（PDF） - Integrated Circuit Systems
零件编号
产品描述 (功能)
生产厂家
ICS8531-01 Datasheet PDF : 13 Pages
| |||
Integrated
Circuit
Systems, Inc.
ICS8531-01
LOW SKEW, 1-TO-9
DIFFERENTIAL-TO-3.3V LVPECL FANOUT BUFFER
TABLE 1. PIN DESCRIPTIONS
Number
Name
Type
Description
1
VCC
Power
Positive supply pin. Connect to 3.3V.
2
CLK
Input
Pulldown Non-inverting differential clock input.
3
nCLK
Input
Pullup Inverting differential clock input.
Clock Select input. When HIGH, selects PCLK, nPCLK inputs.
4
CLK_SEL
Input
Pulldown When LOW, selects CLK, nCLK.
LVTTL / LVCMOS interface levels.
5
PCLK
Input
Pulldown Non-inverting differential LVPECL clock input.
6
nPCLK
Input
Pullup Inverting differential LVPECL clock input.
7
8
9, 16, 17,
24, 25, 32
10, 11
VEE
CLK_EN
VCCO
nQ8, Q8
Power
Input
Power
Output
Pullup
Negative supply pin. Connect to ground.
Synchronizing clock enable. When HIGH, clock outputs follow
clock input. When LOW, Q outputs are forced low, nQ outputs
are forced high. LVTTL / LVCMOS interface levels.
Output supply pins. Connect to 3.3V.
Differential output pair. LVPECL interface level.
12, 13
nQ7, Q7
Output
Differential output pair. LVPECL interface level.
14, 15
nQ6, Q6
Output
Differential output pair. LVPECL interface level.
18, 19
nQ5, Q5
Output
Differential output pair. LVPECL interface level.
20, 21
nQ4, Q4
Output
Differential output pair. LVPECL interface level.
22, 23
nQ3 Q3
Output
Differential output pair. LVPECL interface level.
26, 27
nQ2, Q2
Output
Differential output pair. LVPECL interface level.
28, 29
nQ1, Q1
Output
Differential output pair. LVPECL interface level.
30, 31
nQ0, Q0
Output
Differential output pair. LVPECL interface level.
NOTE: Pullup and Pulldown refers to internal input resistors. See Table 2, Pin Characteristics, for typical values.
TABLE 2. PIN CHARACTERISTICS
Symbol
CIN
R
PULLUP
RPULLDOWN
Parameter
Input Capacitance
CLK, nCLK,
PCLK, nPLCK
CLK_EN, CLK_SEL
Input Pullup Resistor
Input Pulldown Resistor
Test Conditions
Minimum Typical Maximum Units
4
pF
4
pF
51
KΩ
51
KΩ
8531AY-01
www.icst.com/products/hiperclocks.html
2
REV. B AUGUST 9, 2001
Share Link: 