CMX208S1 MX-COM, Inc., CMX208S1 Datasheet - Page 22

• Manufacturer Part Number: CMX208S1
• Description: ISDN dual telephony protocol engine
• Manufacturer: MX-COM, Inc.

ISDN Dual Telephony Protocol Engine
Note 1: Hold time includes the time during which V
C
6.1.3.2.2
Where:
6.2
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
L
= 50 pF and R
Packaging
ASTB cycle time
ASTB low-level width
ASTB high-level width
ASTB rise time
ASTB fall time
NMI low-level width
NMI high-level width
RST low-level width
RST high-level width
T = t
a = 1 (during address wait), otherwise, 0.
n = Number of wait states (n = 2)
Miscellaneous timing
Figure 6: 80-pin QFP Mechanical Outline: Order as part no. CMX208S1
CYK
Parameter
L
= 4.7 k .
(system clock cycle time)
t
t
t
t
t
t
t
t
t
CYCL
CLL
CLH
CLR
CLF
WNIL
WNIH
WRSL
WRSH
Symbol
V
V
V
V
DD
DD
DD
DD
= +5.0 V ± 10%
= +5.0 V ± 10%
= +5.0 V ± 10%
= +5.0 V ± 10%
OH1
Conditions
22
and V
OL1
are held under the load conditions of
nT
0.5 t
0.5 t
0.5 t
0.5 t
10
10
10
10
CYCL
CYCL
CYCL
CYCL
Min.
- 10
- 20
- 10
- 20
2000 Chiron Technology Limited
CMX208 Advance Information
Max.
10
20
10
20
Doc. # 20480214.001
2000 MX-COM, Inc.
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
µ s
µ s
µ s
µ s