REVISION E 6/21/16
8521 DATA SHEET
13 Low Skew, 1-to-9, Differential-to-
HSTL Fanout Buffer
PACKAGE OUTLINE - Y SUFFIX FOR 32 LEAD LQFP
TABLE 6. PACKAGE DIMENSIONS
JEDEC VARIATION
ALL DIMENSIONS IN MILLIMETERS
SYMBOL
BBA
MINIMUM NOMINAL MAXIMUM
N
32
A
-- -- 1.60
A1
0.05 -- 0.15
A2
1.35 1.40 1.45
b
0.30 0.37 0.45
c
0.09 -- 0.20
D
9.00 BASIC
D1
7.00 BASIC
D2
5.60 Ref.
E
9.00 BASIC
E1
7.00 BASIC
E2
5.60 Ref.
e
0.80 BASIC
L
0.45 0.60 0.75
θ
0°
--
7°
ccc
-- -- 0.10
Reference Document: JEDEC Publication 95, MS-026
Low Skew, 1-to-9, Differential-to-
HSTL Fanout Buffer
8521 DATA SHEET
14 REVISION E 6/21/16
TABLE 7. ORDERING INFORMATION
Part/Order Num-
ber
Marking Package Shipping Packaging Temperature
8521BYLF ICS8521BYLF 32 Lead, Lead-Free LQFP Tray 0°C to 70°C
8521BYLFT ICS8521BYLF 32 Lead, Lead-Free LQFP Tape and Reel 0°C to 70°C
8521BYLN ICS8521BYLN 32 Lead Lead-Free/Annealed Tray 0°C to 70°C
8521BYLNT ICS8521BYLN 32 Lead Lead-Free/Annealed Tape and Reel 0°C to 70°C
REVISION E 6/21/16
8521 DATA SHEET
15 Low Skew, 1-to-9, Differential-to-
HSTL Fanout Buffer
REVISION HISTORY SHEET
Rev Table Page Description of Change Date
B 3 Updated Figure 1 - CLK_EN Timing Diagram. 10/16/01
B 3 Updated Figure 1 - CLK_EN Timing Diagram. 11/1/01
C T4E 5 LVHSTL table - changed V
OH
maximum from 1.2V to 1.4V. 01/02/03
D
T2
T4B
2
4
8
9
Changed LVHSTL to HSTL throughout data sheet to conform with JEDEC termi-
nology.
Pin Characteristics table - changed CIN 4pF max. to 4pF typical.
LVCMOS table - changed VIH from 3.765V max. to VDD + 0.3V max.
Added Differential Input Interface section.
Added LVPECL Input Interface section.
7/16/03
DT7
4
9
14
Absolute Maximum Ratings - updated Output rating.
Updated LVPECL Clock Input Interface section.
Ordering Information - added “Lead-Free/Annealed” part number.
7/7/04
ET7 14
16
Updated datasheet’s header/footer with IDT from ICS.
Removed ICS prefi x from Part/Order Number column.
Added Contact Page.
7/25/10
E
T7 14 Ordering Information Table - deleted non-lead free marking, added lead-free
marking.
Updated datasheet’s header/footer.
8/24/12
E
Updated datasheet format.
6/12/15
E
Product Discontinuaton Notice - Last time buy expires May 6, 2017.
PDN CQ-16-01
6/21/16

8521BYLFT

Mfr. #:
Manufacturer:
IDT
Description:
Clock Drivers & Distribution 9 HSTL OUT BUFFER
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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