CMX228S1 MX-COM, Inc., CMX228S1 Datasheet - Page 28

• Manufacturer Part Number: CMX228S1
• Description: ISDN data and telephony protocol engine with x.25
• Manufacturer: MX-COM, Inc.

ISDN Data and Telephony Protocol Engine with x.25
6.1.3
For the following conditions unless otherwise specified:
Xtal Frequency = 32MHz
Notes:
1. Not including any current drawn by external circuitry.
2. Timing for an external input to the XTAL pin.
3. A fundamental cut crystal is recommended.
MX-COM, Inc
4800 Bethania Station Road, Winston-Salem, NC, 27105-1201, USA
www.mxcom.com tel: [phone] 744 5050 fax: [phone]
All trademarks and service marks are held by their respective companies
DC Parameters
Digital Interface
Xtal/Clock Input
I
I
I
Input logic "1" level
Input logic "0" level
Input leakage current (V
Output logic "1" level (l
Output logic "0" level (l
Input or Output leakage current (V
'High' pulse width (t
'Low' pulse width (t
Risetime (t
Falltime (t
Period (t
DD
DD
DD
(total, operational)
(total in HALT mode)
(total in IDLE mode)
Operating Characteristics
Details in this section represent design target values and are not currently guaranteed.
CYK
XF
XR
)
)
)
WXL
WXH
OH
OL
)
)
IN
100ppm, AV
= 360µA)
= 120µA)
= 0 to DV
OUT
DD
DD
)
= V
= DV
DD
)
DD0
= DV
28
Notes
2, 3
1
1
1
2
2
2
2
DD1
= 3.0V to 5.0V, T
V
31.2468
DD
-10.0
Min.
70%
10
10
-1.0
Typ.
25.0
13.0
AMB
2000 Chiron Technology Limited
= - 40°C to +85°C.
CMX228 Advance Information
31.2531
+10.0
Max.
30%
45.0
26.0
12.0
400
125
125
10
10
10
Doc. # 20480216.001
2000 MX-COM, Inc.
Units
V
V
mA
mA
mA
mV
µA
µA
ns
ns
ns
ns
ns
V
DD
DD