ICS9179BF-01 IDT, Integrated Device Technology Inc, ICS9179BF-01 Datasheet - Page 2

• Manufacturer Part Number: ICS9179BF-01
• Description: IC CLOCK BUFFER SDRAM 48-SSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Fanout Buffer (Distribution)r

Specifications of ICS9179BF-01

• Number Of Circuits: 1
• Ratio - Input:output: 1:18
• Differential - Input:output: No/No
• Input: Clock
• Output: Clock
• Frequency - Max: 150MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 48-SSOP
• Frequency-max: 150MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 9179BF-01

ICS9179B-01
Notes:
1.
2.
3.
Ground Groups
GND = Ground for SDRAM buffer
GNDS = Ground for I
Pin Descriptions
Power Groups
VDD = Power supply for SDRAM buffer
VDDS = Power supply for I
PIN NUMBER
20, 29, 33, 37,
22, 27, 30, 34,
13, 14, 17, 18
31, 32, 35, 36
40, 41, 44, 45 SDRAM (12:15)
6, 10, 15, 19,
3, 7, 12, 16,
1, 2, 47, 48
4, 5, 8, 9
21, 28
42, 46
39, 43
38
24
25
23
26
11
At power up all eighteen SDRAM outputs are enabled and active.
OE has a 100K Ohm internal pull-up resistor to keep all outputs active.
The SDATA and SCLK inputs both also have internal pull-up resistors with values above 100K Ohms as well
for complete platform flexibility.
SDRAM (16:17)
SDRAM (8:11)
SDRAM (0:3)
SDRAM (4:7)
PIN NAME
2
BUF_IN
C circuitry
SDATA
GNDS
VDDS
SCLK
GND
VDD
N/C
OE
2
C circuitry
TYPE DESCRIPTION
PWR 3.3V Power supply for SDRAM buffer
PWR Ground for SDRAM buffer
PWR 3.3V Power supply for I
PWR Ground for I
OUT SDRAM Byte 0 clock outputs
OUT SDRAM Byte 1 clock outputs
OUT SDRAM Byte 2 clock outputs
OUT SDRAM Byte 3 clock outputs
OUT SDRAM clock outputs useable for feedback.
I/O
I/O
IN
IN
-
Input for buffers
pull-up.
Data pin for I
Clock pin for I
Pins are not internally connected
Tri-states all outputs when held LOW. Has internal
2
2
2
C circuitry
2
C circuitry
2
C circuitry
2
3
C circuitry
3
1
1
1
1
1