FS6054 AMI, FS6054 Datasheet - Page 2

• Manufacturer Part Number: FS6054
• Description: (FS6050 - FS6054) LOW-SKEW CLOCK FANOUT BUFFER ICs
• Manufacturer: AMI

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20, 29, 33, 37,
22, 27, 30, 34,
Table 1: Pin Descriptions
Key: AI = Analog Input; AO = Analog Output; DI = Digital Input; DI
DO = Digital Output; P = Power/Ground; # = Active Low pin
Figure 4: Pin Configuration (FS6053)
PIN (FS6050)
6, 10, 15, 19,
3, 7, 12, 16,
1, 2, 47, 48
42, 46
39, 43
11
25
24
13
14
17
18
31
32
35
36
40
41
44
45
21
28
38
23
26
4
5
8
9
PIN (FS6051)
1, 5, 10, 19,
4, 8, 12, 17,
24, 28
21, 25
15
14
22
23
26
27
11
18
20
13
16
9
2
3
6
7
-
-
-
-
-
-
-
-
-
FS6053
PIN (FS6053)
1, 5, 20, 24,
4, 8, 17, 21,
15
14
10
11
18
19
22
23
26
27
12
28
13
25
16
9
2
3
6
7
-
-
-
-
-
-
-
PIN (FS6054)
U
1, 5, 24, 28
4, 8, 21, 25
= Input with Internal Pull-Up; DI
15
14
10
11
18
19
22
23
26
27
12
17
20
13
16
9
2
3
6
7
-
-
-
-
-
TYPE
DI
DI
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DO
DI
DI
P
P
P
P
-
U
U
O
U
2
Figure 5: Pin Configuration (FS6054)
D
= Input with Internal Pull-Down; DIO = Digital Input/Output; DI-3 = Three-Level Digital Input,
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
VSS
SCL
OE
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
FS6054
DESCRIPTION
April 1999
4.5.99