ICS950812CGLFT IDT, Integrated Device Technology Inc, ICS950812CGLFT Datasheet - Page 24

• Manufacturer Part Number: ICS950812CGLFT
• Description: IC FREQ GEN 200MHZ CLK 56-TSSOP
• Manufacturer: IDT, Integrated Device Technology Inc
• Type: Frequency Generatorr

Specifications of ICS950812CGLFT

• Input: Crystal
• Output: Clock
• Frequency - Max: 200MHz
• Voltage - Supply: 3.135 V ~ 3.465 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 56-TSSOP
• Frequency-max: 200MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 950812CGLFT

IDT
ICS950812
Frequency Generator with 200MHz Differential CPU Clocks
TM
3V66 to PCI
1
2
E _P C IC LK to P C IC LK
All 3V66 clocks are to be in pphase with each other. In the case where 3V66_1 is configured as 48MHz VCH clock, there is no
defined phase relationship between 3V66_1_VCH and other 3V66 clocks. The PCI group should lag 3V66 by the standard
skew described below as Tpci.
Frequency Generator with 200MHz Differential CPU Clocks
Group to Group Skews at Common Transition Edges: Unbuffered Mode
E _ P C IC L K to P C IC L K S k e w s
Guarenteed by design, not 100% tested in production.
500ps Tolerance
PCICLK_F (2:0) PCICLK (6:0)
GROUP
G R O U P
1,2
E_PCICLK (3,1)
3V66 (1:0)
3V66 (4:2)
3V66_5
1
T
T
T
T
SYMBOL
S Y M B O L
S
E _ P CI -P CI 0
E _ P CI -P CI 1
E _ P CI -P CI 2
E _ P CI -P CI 3
Un-Buffered Mode 3V66 & PCI Phase Relationship
3V66-PCI
Tepci
Tpci
3V66 (5:0) leads 33MHz PCI
E _P C ICLK 1 (pin 11)= 0
E _P C ICLK 3 (pin 13)= 0
E _P C ICLK 1 (pin 11)= 0
E _P C ICLK 3 (pin 13)= 1
E _P C ICLK 1 (pin 11)= 1
E _P C ICLK 3 (pin 13)= 0
E _P C ICLK 1 (pin 11)= 1
E _P C ICLK 3 (pin 13)= 1
C O N D IT IO N S
CONDITIONS
24
M IN
MIN
-0.2
0.3
0.8
1.3
1.5
T Y P
TYP
2.55
0.5
1.0
1.5
0
M A X
MAX
0.2
0.7
1.2
1.7
3.5
0542J—01/25/10
U N IT S
UNITS
ns
ns
ns
ns
ns