PI6C182BHE Pericom Semiconductor, PI6C182BHE Datasheet - Page 2

• Manufacturer Part Number: PI6C182BHE
• Description: IC 1:10 CLOCK BUFFER 28-SSOP
• Manufacturer: Pericom Semiconductor
• Type: Fanout Buffer (Distribution)r

Specifications of PI6C182BHE

• Number Of Circuits: 1
• Ratio - Input:output: 1:10
• Differential - Input:output: No/No
• Input: TTL
• Output: TTL
• Frequency - Max: 140MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP
• Frequency-max: 140MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Pin Description
OE Functionality
Notes:
1. Used for test purposes only
2. Buffers are non-inverting
I
2, 3, 6, 7
22, 23, 26, 27
11, 18
9
20
14
15
1, 5, 10, 19, 24,
28
4, 8, 12, 17, 21,
25
13
16
2
C Address Assignment
A6
1
Pin
OE
0
1
A5
1
A4
0
SDRAM[0-3]
SDRAM[4-7]
SDRAM[8-9]
BUF_IN
OE
SDATA
SCLOCK
VDD[0-5]
VSS[0-5]
VDDIIC
VSSIIC
Symbol
SDRAM[0-9]
A3
1
BUF_IN
Hi-Z
A2
0
Ground
Ground
Power
Power
Type
I/O
I/O
O
O
O
I
I
A1
0
Notes
A0
Qty
1
4
4
2
1
1
1
1
6
6
1
1
1
2
R/W
SDRAM Byte 0 clock output
SDRAM Byte 1 clock output
SDRAM Byte 2 clock output
Input for 1-20 buffer
Hi-Z states all outputs when held LOW. Has a >100kΩ internal pull-up
resistor.
Data pin for I
Clock pin I
3.3V power supply for SDRAM buffer
Ground for SDRAM buffers
3.3V power supply for I
Ground for I
0
2
Note:
1.
Serial Configuration Map
Byte0: SDRAM Active/Inactive Register
(1 = enable, 0 = disable)
2
Bit
C circuitry. Has a >100kΩ internal pull-up resistor.
2
7
6
5
4
3
2
1
0
Inactive means outputs are held LOW and are disabled from
switching
2
C circuitry
C curcuitry. Has a >100kΩ internal pull-up resistor.
Pin
7
6
3
2
2
C circuitry
NC (Initialize to 0)
NC (Initialize to 0)
NC (Initialize to 0)
NC (Initialize to 0)
SDRAM3 (Active/Inactive)
SDRAM2 (Active/Inactive)
SDRAM1 (Active/Inactive)
SDRAM0 (Active/Inactive)
Description
Precision 1-10 Clock Buffer
Description
PS8465C
PI6C182B
09/07/05