Document
�ENESAS
ICSSSTVF16857 Advance Information
DDR 14-Bit Registered Buffer
Recommended Applications: • DDR Memory Modules • Provides complete DDR DIMM logic solution with
ICS93V857 or ICS95V857
• SSTL_2 compatible data registers
Product Features: • Differential clock signal • Meets SSTL_2 signal data • Supports SSTL_2 class I & II specifications • Low-voltage operation
- Voo = 2.3V to2.7V • 48 pin TSS OP and TVS OP package
Truth Table1
Inputs
RESET# CLK
CLK#
L
Xor Xor Floating Floating
H t J,
H t J,
H LorH LorH
D Xor Floating H
L
X
Q Outputs Q
L
H L
QlZ>
Pin Configuration
Q1 1
48 D1
Q2 2
47 D2
GND 3
46 GND
VDDQ
4
45 VDD
QJ 5
44 DJ
Q4 6
43 D4
Q5 7
42 D5
->cc:ooGND
VDDQ
8 9
t--
It)
41 D6 40 D7
Q6 10
39 CU<#
Q7 VDDQ
11 12
LL.
38 37
vCoU(o
GND 13
36 GND
!::?Q8
Q9 VOOQ
GNO
14 15 16 17
eeeInn-n
35 VREF 34 RESET# 33 08 32 09
Q10 18
31 010
Q11 19
30 D11
Q12 20
29 D12
VOOQ
21
28 VOO
GND 22
27 GND
Q13 23
26 013
Q14 24
25 014
48-Pin TSSOP & TVSOP
6.10 mm. Body, 0.50 mm. pitch= TSSOP 4.40 mm. Body, 0.40 mm. pitch= TSSOP (TVSOP)
Notes:
1. H = High Signal Level L= Low Signal Level
t = Transition LOW-to-HIGH
.J,, = Transition HIGH -to LOW X = Irrelevant
2. Output level before the indicated steady state input conditions were established.
Block Diagram
CU< CL.K#
RESET#
R
CU<
D1
VREF-+-..u.�
�----+----+------1�D-1 --'
Q1
To 13 Other Channels
0746-10/28/02
ADVANCE INFORMATION documents contain infonnation on products in the fonnative or design phase development Characteristic data and other specifications are design goals. JCS reserves the right to change or discontinue these products without notice. Third party brands and names are the property of their respective owners.
© 2019 Renesas Electronics Corporation
×ÝÍÍÍÌÊÚïêèëé
ß¼ª¿²½» ײº±®³¿¬·±²
Ù»²»®¿´ Ü»-½®·°¬·±²
̸» ïìó¾·¬ ×ÝÍÍÍÌÊÚïêèëé ·- ¿ «²·ª»®-¿´ ¾«- ¼®·ª»® ¼»-·¹²»¼ º±® îòíÊ ¬± îòéÊ ÊÜÜ ±°»®¿¬·±² ¿²¼ ÍÍÌÔÁî ×ñÑ ´»ª»´-ô »¨½»°¬ º±® ¬¸» ÔÊÝÓÑÍ ÎÛÍÛÌý ·²°«¬ò
Ü¿¬¿ º´±© º®±³ Ü ¬± Ï ·- ½±²¬®±´´»¼ ¾§ ¬¸» ¼·ºº»®»²¬·¿´ ½´±½µ øÝÔÕñÝÔÕý÷ ¿²¼ ¿ ½±²¬®±´ -·¹²¿´ øÎÛÍÛÌý÷ò ̸» °±-·¬·ª» »¼¹» ±º ÝÔÕ ·- «-»¼ ¬± ¬®·¹¹»® ¬¸» ¼¿¬¿ º´±© ¿²¼ ÝÔÕý ·- «-»¼ ¬± ³¿·²¬¿·² -«ºº·½·»²¬ ²±·-» ³¿®¹·²- ©¸»®» ¿- ÎÛÍÛÌýô ¿² ÔÊÝÓÑÍ ¿-§²½¸®±²±«- -·¹²¿´ô ·- ·²¬»²¼»¼ º±® «-» ¿¬ ¬¸» ¬·³» ±º °±©»®ó«° ±²´§ò ×ÝÍÍÍÌÊÚïêèëé -«°°±®¬- ´±©ó°±©»® -¬¿²¼¾§ ±°»®¿¬·±²ò ß ´±¹·½ ´»ª»´ •Ô±©Œ¿¬ ÎÛÍÛÌý ¿--«®»- ¬¸¿¬ ¿´´ ·²¬»®²¿´ ®»¹·-¬»®- ¿²¼ ±«¬°«¬- øÏ÷ ¿®» ®»-»¬ ¬± ¬¸» ´±¹·½ •Ô±©Œ-¬¿¬»ô ¿²¼ ¿´´·²°«¬ ®»½»·ª»®-ô ¼¿¬¿ øÜ÷ ¿²¼ ½´±½µ øÝÔÕñÝÔÕý÷ ¿®» -©·¬½¸»¼ ±ººòд»¿-» ²±¬» ¬¸¿¬ ÎÛÍÛÌý ³«-¬ ¿´©¿§¾» -«°°±®¬»¼ ©·¬¸ ÔÊÝÓÑÍ ´»ª»´- ¿¬ ¿ ª¿´·¼ ´±¹·½ -¬¿¬» ¾»½¿«-» ÊÎÛÚ ³¿§ ²±¬ ¾» -¬¿¾´» ¼«®·²¹ °±©»®ó«°ò
̱ »²-«®» ¬¸¿¬ ±«¬°«¬- ¿®» ¿¬ ¿ ¼»º·²»¼ ´±¹·½ -¬¿¬» ¾»º±®» ¿ -¬¿¾´» ½´±½µ ¸¿- ¾»»² -«°°´·»¼ô ÎÛÍÛÌý ³«-¬ ¾» ¸»´¼ ¿¬ ¿ ´±¹·½ •Ô±©Œ´»ª»´ ¼«®·²¹ °±©»® «°ò
ײ ¬¸» ÜÜÎ Ü×ÓÓ ¿°°´·½¿¬·±²ô ÎÛÍÛÌý ·- -°»½·º·»¼ ¬± ¾» ½±³°´»¬»´§ ¿-§²½¸®±²±«- ©·¬¸ ®»-°»½¬ ¬± ÝÔÕ ¿²¼ ÝÔÕýò ̸»®»º±®»ô ²± ¬·³·²¹ ®»´¿¬·±²-¸·° ½¿² ¾» ¹«¿®¿²¬»»¼.