CALIFORNIA MICRO DEVICES
CM8870/70C
OSC1 OSC2
OSC3
30pF
OSC1 of other CM887X’s
Clock input of other devices
Figure 7. CM8870C Crystal Connection
(PLCC Package Only)
Pin Assignments
OSC1 OSC2 OSC1 OSC2 OSC1 OSC2
3.58 Mhz 30pF
30pF
Figure 8. CM8870/70C Crystal Connection
IN+ 1
IN- 2
GS 3
VREF
4
INH 5
IC* 6
OSC1 7
OSC2 8
VSS
9
18
VDD
IN+ 1
17 St/GT
IN- 2
16 ESt
GS 3
15 StD
14 Q4
VREF
4
IC* 5
13 Q3
IC* 6
12 Q2
OSC1 7
11 Q1
OSC2 8
10 TOE
VSS
9
18
VDD
17 St/GT
16 ESt
15 StD
GS 4
14 Q4
13 Q3
VREF 5
IC* 6
12 Q2
IC* 7
11 Q1
OSC1 8
10 TOE
CM8870
18 ESt
17 StD
16 NC
15 Q4
14 Q3
VREF 4
INH 5
PD 6
OSC3 7
OSC1 8
CM8870C
18 Est
17 StD
16 NC
15 Q4
14 Q3
P — Plastic DIP (18)
F — Plastic SOP
EIAJ (18)
S — SOIC (18)
P — Plastic DIP (18)
F — Plastic SOP
EIAJ (18)
S — SOIC (18)
PE — PLCC (20)
* — Connect To VSS
PE — PLCC (20)
Ordering Information
Product Identification Number
Package
P—
F—
PE —
S—
Plastic DIP (18)
Plastic SOP EIAJ (18)
PLCC (20)
SOIC (18)
Example:
Temperature/Processing
None —
0OC to +70OC, ±5% P.S. Tol.
I
—
-40OC to +85OC, ±5% P.S. Tol.
CM8870
CM8870C
P
I
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8
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Tel: (408) 263-3214
Fax: (408) 263-7846
www.calmicro.com 9/28/2000