SN74SSTVF16859 Datasheet, PDF (1/11 Pages) Texas Instruments – 13-BIT TO 26-BIT REGISTERED BUFFER WITH SSTL 2 INPUTS AND OUTPUTS

D Member of the Texas Instruments
Widebus Family
D Operates at 2.3 V to 2.7 V for PC1600,
PC2100, and PC2700
D Operates at 2.5 V to 2.7 V for PC3200 (QFN
Package)
D Pinout and Functionality Compatible With
JEDEC Standard SSTV16859
D 600 ps Faster (Simultaneous Switching)
Than the JEDEC Standard SSTV16859 in
PC2700 DIMM Applications
D 1-to-2 Outputs to Support Stacked DDR
DIMMs
D Output Edge-Control Circuitry Minimizes
Switching Noise in an Unterminated Line
D Outputs Meet SSTL_2 Class I
Specifications
D Supports SSTL_2 Data Inputs
D Differential Clock (CLK and CLK) Inputs
D Supports LVCMOS Switching Levels on the
RESET Input
D RESET Input Disables Differential Input
Receivers, Resets All Registers, and
Forces All Outputs Low
D Pinout Optimizes DIMM PCB Layout
D Latch-Up Performance Exceeds 100 mA Per
JESD 78, Class II
D ESD Protection Exceeds JESD 22
− 2000-V Human-Body Model (A114-A)
− 200-V Machine Model (A115-A)
− 1000-V Charged-Device Model (C101)
description/ordering information
SN74SSTVF16859
13ĆBIT TO 26ĆBIT REGISTERED BUFFER
WITH SSTL_2 INPUTS AND OUTPUTS
SCES429B − MARCH 2003 − REVISED FEBRUARY 2004
DGG PACKAGE
(TOP VIEW)
Q13A 1
Q12A 2
Q11A 3
Q10A 4
Q9A 5
V_DDQ 6
GND 7
Q8A 8
Q7A 9
Q6A 10
Q5A 11
Q4A 12
Q3A 13
Q2A 14
GND 15
Q1A 16
Q13B 17
V_DDQ 18
Q12B 19
Q11B 20
Q10B 21
Q9B 22
Q8B 23
Q7B 24
Q6B 25
GND 26
V_DDQ 27
Q5B 28
Q4B 29
Q3B 30
Q2B 31
Q1B 32
64 V_DDQ
63 GND
62 D13
61 D12
60 V_CC
59 V_DDQ
58 GND
57 D11
56 D10
55 D9
54 GND
53 D8
52 D7
51 RESET
50 GND
49 CLK
48 CLK
47 V_DDQ
46 V_CC
45 V_REF
44 D6
43 GND
42 D5
41 D4
40 D3
39 GND
38 V_DDQ
37 V_CC
36 D2
35 D1
34 GND
33 V_DDQ
This 13-bit to 26-bit registered buffer is designed for 2.3-V to 2.7-V V_CC operation.
ORDERING INFORMATION
TA
PACKAGE†
ORDERABLE
PART NUMBER
TOP-SIDE
MARKING
0°C to 70°C
QFN − RGQ
(Tin-Pb Finish)
QFN − RGQ
(Matte-Tin Finish)
Tape and reel
SN74SSTVF16859SR
SN74SSTVF16859S8
SSF859
TSSOP − DGG
Tape and reel SN74SSTVF16859GR
SSTVF16859
† _{Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines}
are available at www.ti.com/sc/package.
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Widebus is a trademark of Texas Instruments.
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright  2004, Texas Instruments Incorporated
• POST OFFICE BOX 655303 DALLAS, TEXAS 75265
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