ICS9DB423BGLFT IDT, Integrated Device Technology Inc, ICS9DB423BGLFT Datasheet - Page 2

• Manufacturer Part Number: ICS9DB423BGLFT
• Description: IC PC CLOCK 3.3V 28-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Clock Bufferr

Specifications of ICS9DB423BGLFT

• Input: Clock
• Output: Clock
• Frequency - Max: 400MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-TSSOP
• Frequency-max: 400MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 9DB423BGLFT

Pin Configuration
Polarity Inversion Pin List Table
Power Groups
IDT
5,11,18, 24
9DB423B
Four Output Differential Buffer for PCIe for Gen 1, Gen 2 and QPI
Various
®
Pins
BYPASS#_133_100 12
Four Output Differential Buffer for PCIe Gen 1, Gen 2 and QPI
15
16
VDD
8
N/A
28
1
Pin Number
DIF_STOP#
SRC_IN# 3
SRC_IN 2
SDATA 14
OE_1
OE_x
DIF_1# 7
DIF_2# 10
PD#
DIF_1 6
DIF_2 9
SCLK 13
GND
OE_1 8
0
GND 4
27
27
VDD 1
VDD 5
VDD 11
4
4
OE_INV
Analog VDD & GND for PLL core
OE_INV = 0
DIF_STOP
OE1#
OEx#
PD#
1
SRC_IN/SRC_IN#
Description
DIF(1,2,5,6)
IREF
28 VDDA
27 GNDA
26 IREF
25 OE_INV
24 VDD
23 DIF_6
22 DIF_6#
21 OE_6
20 DIF_5
19 DIF_5#
18 VDD
17 HIGH_BW#
16 DIF_STOP#
15 PD#
28-pin SSOP & TSSOP
2
Frequency Selection
Note: Pin 15 is always active low. This is different
than 9DB403.
Bypass Readback Table
BYPASS#_133_100 12
BYPASS#_133_100
BYPASS#_133_100
SRC_IN# 3
SRC_IN 2
SDATA 14
High
High
DIF_1# 7
DIF_2# 10
Low
Low
Mid
Mid
DIF_1 6
DIF_2 9
SCLK 13
OE1# 8
GND 4
VDD 1
VDD 5
VDD 11
OE_INV = 1
1.2<Vin<1.8V QPI 133MHz
Byte0, bit 3
Vin > 2.0V
Voltage
<0.8V
0
1
0
1437 Rev C - 01/27/11
28 VDDA
27 GNDA
26 IREF
25 OE_INV
24 VDD
23 DIF_6
22 DIF_6#
21 OE6#
20 DIF_5
19 DIF_5#
18 VDD
17 HIGH_BW#
16 DIF_STOP
15
PD#
PCIe 100MHz
Byte 0 bit 1
Bypass
MODE
0
0
1