
Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
MAY 1992
1992 Integrated Device Technology, Inc.
7.2
DSC-4608/2
1
FEATURES:
Equivalent to AMD’s Am29520 bipolar Multilevel Pipeline
Register in pinout/function, speed and output drive over
full temperature and voltage supply extremes
Four 8-bit high-speed registers
Dual two-level or single four-level push-only stack
operation
All registers available at multiplexed output
Hold, transfer and load instructions
Provides temporary address or data storage
I
OL
= 48mA (commercial), 32mA (military)
CMOS power levels (1mW typ. static)
Substantially lower input current levels than AMD’s
bipolar (5
μ
A typ.)
TTL input and output level compatible
CMOS output level compatible
Manufactured using advanced CMOS processing
Available in 300 mil plastic and hermetic DIP, as well as
LCC, SOIC and CERPACK
Product available in Radiation Tolerant and Radiation
Enhanced versions
Military product compliant to MIL-STD-883, Class B
DESCRIPTION:
The IDT29FCT520A/B/C contains four 8-bit positive edge-
triggered registers. These may be operated as a dual 2-level
or as a single 4-level pipeline. A single 8-bit input is provided
and any of the four registers is available at the 8-bit, 3-state
output.
In the IDT29FCT520A/B/C when data is entered into the
first level (I = 2 or I = 1), the existing data in the first level is
moved to the second level. Transfer of data to the second
level is achieved using the 4-level shift instruction (I = 0). This
transfer also causes the first level to change.
FUNCTIONAL BLOCK DIAGRAMS
2620 drw 01
REGISTER
CONTROL
2
1
I ,I
1
0
CLK
OCTAL REG. A1
OCTAL REG. A2
OCTAL REG. B1
OCTAL REG. B2
MUX
MUX
2
S ,S
1
0
8
Y -Y
7
0
OE
8
D -D
7
0
The IDT logo is a registered trademark of Integrated Device Technology, Inc.
IDT29FCT520A
IDT29FCT520B
IDT29FCT520C
MULTILEVEL
PIPELINE REGISTER