ICS9158-04 Datasheet, PDF (2/4 Pages) Integrated Circuit Systems – Frequency Generator and Integrated Buffer

ICS9158-04
Pin Configuration
24-Pin SOIC
Pin Description
PIN NUMBER
1
2
PIN NAME
CLK1A
X2
TYPE
OUT
OUT
3
X1
IN
4
VDD
PWR
5
GND
PWR
6
CLK1B
OUT
7
CLK1C
OUT
8
CLK1D
OUT
9
AGND
PWR
10
OE
IN
11
CLK2E
OUT
12
GND
PWR
13
CLK12
OUT
14
CLK1E
OUT
15
FS2
OUT
16
AVDD
PWR
17
CLK2D
OUT
18
CLK2C
OUT
19
GND
PWR
20
VDD
PWR
21
CLK2B
OUT
22
CLK2A
OUT
23
FS1
IN
24
FS0
IN
* Input pin has internal pull-up to VDD.
DESCRIPTION
CPU clock output.
Crystal connection output, which includes output crystal load capacitance.
Crystal connection input, which includes crystal load capacitance and
feedback bias for a nominal 14.31818 MHz parallel-resonance 12pF crystal.
Digital POWER SUPPLY.
Digital GROUND.
CPU clock output.
CPU clock output.
CPU clock output.
ANALOG GROUND.
OUTPUT ENABLE. Tristates all outputs when low.*
2X CPU clock output.
Digital GROUND.
CPU clock output.
CPU clock output.
CPU clock frequency select 2.*
ANALOG power supply.
2X CPU clock output.
2X CPU clock output.
Digital GROUND.
Digital POWER SUPPLY.
2X CPU clock output.
2X CPU clock output.
CPU clock frequency select #1.*
CPU clock frequency select #0.*
2