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参数资料
| 型号： | MPC948FAR2 |
| 厂商： | MOTOROLA INC |
| 元件分类： | 时钟及定时 |
| 英文描述： | LVPECL/LVCMOS/LVTTL SERIES, LOW SKEW CLOCK DRIVER, 12 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封装： | 7 X 7 MM, 0.80 MM PITCH, PLASTIC, LQFP-32 |
| 文件页数： | 2/4页 |
| 文件大小： | 90K |
| 代理商： | MPC948FAR2 |
6
MPC948
MOTOROLA ADVANCED CLOCK DRIVERS DEVICE DATA
616
Figure 1. Logic Diagram
Figure 2. 32–Lead Pinout (Top View)
FUNCTION TABLES
TTL_CLK_Sel
Input
0
1
PECL_CLK
TTL_CLK
Sync_OE
Outputs
0
1
Disabled
Enabled
Tristate
Outputs
0
1
Tristate
Enabled
TTL_CLK
Sync_OE
Q
Figure 3. Sync_OE Timing Diagram
TTL_CLK
Q0-Q11
PECL_CLK
0
1
TTL_CLK_Sel
Sync_OE
Tristate
12
PECL_CLK
Q3
VCCO
Q2
GND
Q1
VCCO
Q0
GND
Q8
VCCO
Q9
GND
Q10
VCCO
Q11
GND
Q4
VCCO
Q5
GND
Q6
VCCO
Q7
TTL_CLK_Sel
TTL_CLK
PECL_CLK
Sync_OE
Tristate
VCCI
GND
25
26
27
28
29
30
31
32
15
14
13
12
11
10
9
12345
678
24
23
22
21
20
19
18
17
16
MPC948
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