11257-801 AMI Semiconductor, Inc., 11257-801 Datasheet - Page 2

• Manufacturer Part Number: 11257-801
• Description: Low-Skew Clock Fanout Buffer ICs
• Manufacturer: AMI Semiconductor, Inc.

6, 10, 15, 19,
Table 1: Pin Descriptions
Key: AI = Analog Input; AO = Analog Output; DI = Digital Input; DI
DO = Digital Output; P = Power/Ground; # = Active Low pin
3.0
Table 2: Clock Enable Configuration
3, 7, 12, 16,
1, 2, 47, 48
20, 29, 33,
22, 27, 30,
37, 42, 46
34, 39, 43
(FS6050)
PIN
11
25
24
13
14
17
18
31
32
35
36
40
41
44
45
21
28
38
23
26
4
5
8
9
CONTROL INPUTS
Programming Information
OE
1, 5, 10, 19,
4, 8, 12, 17,
0
1
(FS6051)
24, 28
21, 25
PIN
15
14
22
23
26
27
11
18
20
13
16
9
2
3
6
7
-
-
-
-
-
-
-
-
-
1, 5, 20, 24,
4, 8, 17, 21,
(FS6053)
PIN
15
14
10
11
18
19
22
23
26
27
12
28
13
25
16
9
2
3
6
7
-
-
-
-
-
-
-
SDRAM_0:3
CLK_IN
tristate
1, 5, 24, 28
4, 8, 21, 25
(FS6054)
PIN
15
14
10
11
18
19
22
23
26
27
12
17
20
13
16
9
2
3
6
7
-
-
-
-
-
U
= Input with Internal Pull-Up; DI
1, 5, 24, 28,
4, 8, 19, 25,
(FS6057)
PIN
17
16
10
11
12
13
20
21
22
23
26
27
30
31
14
32
15
29
18
9
2
3
6
7
-
-
-
SDRAM_4:7
CLK_IN
tristate
TYPE
DI
DI
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DI
DI
2
P
P
P
P
U
-
U
O
U
D
= Input with Internal Pull-Down; DIO = Digital Input/Output; DI-3 = Three-Level Digital Input,
CLOCK OUTPUTS (MHz)
SDRAM_10
SDRAM_11
SDRAM_12
SDRAM_13
SDRAM_14
SDRAM_15
SDRAM_16
SDRAM_17
SDRAM_0
SDRAM_1
SDRAM_2
SDRAM_3
SDRAM_4
SDRAM_5
SDRAM_6
SDRAM_7
SDRAM_8
SDRAM_9
(reserved)
VDD_I
VSS_I
CLK_IN
NAME
SDA
VDD
SCL
VSS
SDRAM_8:11
OE
CLK_IN
tristate
2
2
C
C
Clock input for SDRAM clock outputs
Serial clock input
Serial data input/output
SDRAM clock outputs (Byte 0)
SDRAM clock outputs (Byte 1)
SDRAM feedback clock outputs (Byte 2)
Output enable tristates all clock outputs when low
3.3V ± 5% power supply for SDRAM clock buffers
3.3V ± 5% power supply for serial communications
Ground for SDRAM clock buffers
Ground for serial communications
Reserved
SDRAM_12:15
CLK_IN
tristate
DESCRIPTION
SDRAM_16:17
January 1999
CLK_IN
tristate
1.13.99