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PDF ICS95V857 Data sheet ( Hoja de datos )

Número de pieza ICS95V857
Descripción 2.5V Wide Range Frequency Clock Driver
Fabricantes Integrated Circuit Systems 
Logotipo Integrated Circuit Systems Logotipo



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No Preview Available ! ICS95V857 Hoja de datos, Descripción, Manual

Integrated
Circuit
Systems, Inc.
ICS95V8 5 7
2.5V Wide Range Frequency Clock Driver (45MHz - 233MHz)
Recommended Application:
• DDR Memory Modules / Zero Delay Board Fan Out
• Provides complete DDR registered DIMM solution
with ICSSSTVF16857, ICSSSTVF16859 or
ICSSSTV32852
Product Description/Features:
• Low skew, low jitter PLL clock driver
• 1 to 10 differential clock distribution (SSTL_2)
• Feedback pins for input to output synchronization
• PD# for power management
• Spread Spectrum-tolerant inputs
• Auto PD when input signal removed
Specifications:
• Meets PC3200 Class A+ specification for DDR-I 400
support
• Covers all DDRI speed grades
Switching Characteristics:
• CYCLE - CYCLE jitter: <50ps
• OUTPUT - OUTPUT skew: <40ps
• Period jitter: ±30ps
Pin Configuration
GND
CLKC0
CLKT0
VDD
CLKT1
CLKC1
GND
GND
CLKC2
CLKT2
VDD
VDD
CLK_INT
CLK_INC
VDD
AVDD
AGND
GND
CLKC3
CLKT3
VDD
CLKT4
CLKC4
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
48 GND
47 CLKC5
46 CLKT5
45 VDD
44 CLKT6
43 CLKC6
42 GND
41 GND
40 CLKC7
39 CLKT7
38 VDD
37 PD#
36 FB_INT
35 FB_INC
34 VDD
33 FB_OUTC
32 FB_OUTT
31 GND
30 CLKC8
29 CLKT8
28 VDD
27 CLKT9
26 CLKC9
25 GND
48-Pin TSSOP/TVSOP
6.10 mm Body, 0.50 mm Pitch = TSSOP
4.40 mm Body, 0.40 mm Pitch = TVSOP
Block Diagram
Functionality
INPUTS
OUTPUTS
PLL State
AVDD PD# CLK_INT CLK_INC CLKT CLKC FB_OUTT FB_OUTC
GND H
L
H LH L
H Bypassed/off
GND
2.5V
(nom)
2.5V
(nom)
2.5V
(nom)
2.5V
(nom)
2.5V
(nom)
H
L
L
H
H
X
HL
LH
HL
LH
HL
<20MHz)(1)
HL
ZZ
ZZ
LH
HL
ZZ
H
Z
Z
L
H
Z
L Bypassed/off
Z off
Z off
H on
L on
Z off
PD#
FB_INT
FB_INC
CLK_INC
CLK_INT
Control
Logic
PLL
0674U01/27/09
FB_OUTT
FB_OUTC
CLKT0
CLKC0
CLKT1
CLKC1
CLKT2
CLKC2
CLKT3
CLKC3
CLKT4
CLKC4
CLKT5
CLKC5
CLKT6
CLKC6
CLKT7
CLKC7
CLKT8
CLKC8
CLKT9
CLKC9
Free Datasheet http://www.nDatasheet.com

1 page




ICS95V857 pdf
ICS95V8 5 7
Recommended Operating Condition (see note1)
TA = 0 - 85°C; Supply Voltage AVDD, VDD = 2.5 V +/- 0.2V (unless otherwise stated)
PARAMETER
SYMBOL
CONDITIONS
MIN TYP
Supply Voltage
Low level input voltage
VDD, AVDD
VIL
CLKT, CLKC, FB_INC
PD#
2.3 2.5
0.4
-0.3
High level input voltage
CLKT, CLKC, FB_INC
VIH PD#
VDD/2 + 0.18 2.1
1.7
DC input signal voltage
(note 2)
VIN
-0.3
Differential input signal
voltage (note 3)
DC - CLKT, FB_INT
VID AC - CLKT, FB_INT
0.36
0.7
Output differential cross-
voltage (note 4)
VOX
VDD/2 - 0.15
Input differential cross-
voltage (note 4)
VIX
VDD/2 - 0.2 VDD/2
High level output
current
IOH
MAX
2.7
VDD/2 - 0.18
0.7
VDD + 0.6
UNITS
V
V
V
V
V
VDD + 0.3
V
VDD + 0.6
VDD + 0.6
V
V
VDD/2 + 0.15 V
VDD/2 + 0.2
V
-6.4 mA
Low level output current
IOL
5.5 mA
Operating free-air
temperature
TA
0 85 °C
Notes:
1. Unused inputs must be held high or low to prevent them from floating.
2. DC input signal voltage specifies the allowable DC execution of differential input.
3. Differential inputs signal voltages specifies the differential voltage [VTR-VCP]
required for switching, where VT is the true input level and VCP is the
complementary input level.
4. Differential cross-point voltage is expected to track variations of VDD and is the
voltage at which the differential signal must be crossing.
0674U01/27/09
5
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5 Page





ICS95V857 arduino
ICS95V8 5 7
N
INDEX
AREA
12
D
c
E1 E
L
α
A2 A
A1
-C-
e
b
SEATING
PLANE
aaa C
4.40 mm. Body, 0.40 mm. pitch TSSOP
(173 mil)
(16 mil)
In Millimeters
In Inches
SYMBOL COMMON DIMENSIONS COMMON DIMENSIONS
MIN MAX
MIN MAX
A -- 1.20
-- .047
A1 0.05
0.15
.002
.006
A2 0.80
1.05
.032
.041
b
0.13
0.23
.005
.009
c
0.09
0.20
.0035
.008
D
SEE VARIATIONS
SEE VARIATIONS
E 6.40 BASIC
0.252 BASIC
E1 4.30
4.50
.169
.177
e 0.40 BASIC
0.016 BASIC
L
0.45
0.75
.018
.030
N
SEE VARIATIONS
SEE VARIATIONS
a 0°
0° 8°
aaa --
0.08
-- .003
VARIATIONS
N D mm.
MIN MAX
48 9.60
9.80
Reference Do c.: JEDEC P ublicatio n 95, M O-153
10-0037
D (inch)
MIN MAX
.378
.386
Ordering Information
XXXX y L (LF) T
Designation for tape and reel packaging
Lead Free (Optional)
Package Type
L = TSSOP (TVSOP)
Revision Designator (will not correlate with datasheet revision)
Device Type
Example:
95V857ALLFT
0674U01/27/09
11
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