Purchase HD74CDC857, In-stock HD74CDC857 From SeekIC.
Part Number: HD74CDC857
Description: The HD74CDC857 is a high-performance, low-skew, low-jitter, phase locked loop clock driver. It is specifically de...
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HD74CDC857
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DataSheet
General Description
HD74CDC857 General Description
The HD74CDC857 is a high-performance, low-skew, low-jitter, phase locked loop clock driver. It is specifically designed for use with DDR (Double Data Rate) synchronous DRAMs.
HD74CDC857 Maximum Ratings
|
Item |
Symbol |
Ratings |
Unit |
Test Conditions |
|
Supply voltage |
VCC |
0.5 to 4.6 |
V |
|
|
|
VI |
0.5 to 4.6 |
V |
|
|
|
VO |
0.5 to V + 0.50.5 to 4.6 |
V |
|
|
Input clamp current |
IIK |
50 |
mA |
VI < 0 |
|
Output clamp current |
IOK |
-50 |
mA |
VO < 0 |
|
Continuous output current |
IO |
50 |
mA |
VO = 0 to VDDQ |
|
Continuous current through |
ICC or IGND |
100 |
mA |
|
|
Maximum power dissipation |
PT |
0.7 |
mW |
|
|
Storage temperature |
Tstg |
65 to 150 |
C |
|
HD74CDC857 Features
* Supports 100 MHz to 150 MHz operation range *1
* Distributes one differential clock input pair to ten differential clock outputs pairs
* SSTL_2 (Stub Series Terminated Logic) differential inputs and LVCMOS reset (G) input
* Supports spread spectrum clock
* External feedback pins (FBIN, FBIN) are used to synchronize the outputs to the clock input
* Supports both 3.3 V/2.5V analog supply voltage (AVCC), and 2.5 V VDDQ
* No external RC network required
* Sleep mode detection
* 48pin TSSOP (Thin Shrink Small Outline Package)
Note: 1. 200 MHz (Max) ver. will be available by 4Q/'99
* Distributes one differential clock input pair to ten differential clock outputs pairs
* SSTL_2 (Stub Series Terminated Logic) differential inputs and LVCMOS reset (G) input
* Supports spread spectrum clock
* External feedback pins (FBIN, FBIN) are used to synchronize the outputs to the clock input
* Supports both 3.3 V/2.5V analog supply voltage (AVCC), and 2.5 V VDDQ
* No external RC network required
* Sleep mode detection
* 48pin TSSOP (Thin Shrink Small Outline Package)
Note: 1. 200 MHz (Max) ver. will be available by 4Q/'99
HD74CDC857 Connection Diagram
HD74CDC857
PDF/DataSheet Download
- Datasheet: HD74CDC857
- File Size: 55584 KB
- Manufacturer: HITACHI [Hitachi Semiconductor]
- Click here to Download
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