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Integrated Device Technology Electronic Components Datasheet

IDT39C821 Datasheet

High Performance CMOS Bus Interface Register

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FEATURES:
• Equivalent to AM D's Am29821-26 Bipolar Registers in
pinouVfunction, speeds and output drive over full
temperature and voltage supply extremes
• High-speed parallel registers with positive edge-triggered
D-type flip-flops
-Non-inverting Cp-y tpD ~ 7.5ns typo
-Inverting CP-Y tpD ~ 7.5ns typo
• Buffered common Clock Enable (EN) and asynchronous
Clear input (ClR)
• 48mA commerciallQL, 32mA military 10l
• 200mV (typ.) hysteresis on clock INPUT
• Clamp diodes on all inputs for ringing suppression
• ESD protection 5000V (typ.) - Mll-STD-883 Category B
• low inpuVoutput capacitance
-6pF inputs (typ.)
-8pF outputs (typ.)
• CMOS power levels (5iJ.W typo static)
• Both CMOS and TTL output compatible
• Substantially lower input current levels than AMD's Bipolar
Am29800 series (5iJ.A max.)
• 100% product assurance screening to Mll-STD-883, Class B
is available.
DESCRIPTION:
The IDT39C800 Series is built using advanced CEMOS··, a
dual metal CMOS technology.
The IDT39C820 Series bus interface registers are designed to
eliminate the extra packages required to buffer existing registers
and provide extra data width for wider address/data paths or
bu!!es carrying parity. The IDT39C821 and IDT39C822 are
buffered, 10-bit wide versions of the popular '374/'534 functions.
The IDT39C823 and IDT39C824 are 9-bit wide buffered registers
with Clock Enable (EN) and Clear (ClR) - ideal for parity bus
interfacing in high-performance microprogrammed systems.
The IDT39C825 and IDT39C826 are 8-bit buffered registers with
all the '823/4 controls plus multiple enables (OE" OE2, OE3 ) to
allow multiuser control of the interface, e.g., CS, DMA, and
RD/WR. They are ideal for use as an output port requiring high
10l/loH ·
cAli of the IDT39C800 high-performance interface family are
designed for high-capacitance load drive capability while provid-
ing low-capacitance bus loading at both inputs and outputs. All
inputs have clamp diodes, and all outputs are designed for low-
capacitance bus loading in the high impedance state.
FUNCTIONAL BLOCK DIAGRAM
CLOCK
ENABLE
CE
Do
05 ON-l
CLEAR
CDR~~----+---~--~+---~---+4---~---++---~--~+---~--~+---~
CLOCK
CP -('*----~------~--------~------_4~------~~------~
OUTPUT
ENABLE
OE _~~ _________~~______~-+______~-+______~~______~~______. .
Vo Vs
CEMOS is a trademark of Integrated Device Technology, Inc.
MILITARY AND COMMERCIAL TEMPERATURE RANGES
Cl19861ntegrated Device Technology, Inc.
5-1
Vn - l
Vn
SSD39C621-001
JULY 1986
Printed in the U.S.A.


Integrated Device Technology Electronic Components Datasheet

IDT39C821 Datasheet

High Performance CMOS Bus Interface Register

No Preview Available !

10T39C821-26 HIGH-PERFORMANCE CMOS BUS INTERFACE REGISTIi:RS
MILITARY AND COMMERCIAL TEMPERATURE RANGES
PIN COI'IIFIGURATIONS
IDT39C821/IDT39C82~ 10-BIT REGISTERS
LOGIC SYMBOL$
OE
do
01
02
03
04
Os
06
07
Oa
09
GNO
Vee
Vo
V1
V2
V3
V4
Vs
V6
Y7
Va
Vg
CP
DIP
TOP VIEW
SSD39C821-005
o8~~:!;u 1~>
02
LJ"
:J;
,LJ
3
tj!!~~J~~r_
L,J 25'"'-,
V2
03 24[: V3
04 V4
NC NC
Ps Vs
06 V6
07
19r--
,.,-..1 12 ,1.3, ,1.4, 1,.5, r16, 1,.7, ,1..8,1.,-
Y7
II II II II II II II
CD
Q
"
Q
'
CZ
UZ
l
LU
~.p
"
LCC
TQPVIEW
SSD39C82HX)6
IDT39C823/IDT39C824 9-BIT REGISTERS
O~O
CP
OE
CP
Q
I 10
I
V
I
SSD39C821·002
OE
Do
01
02
03
04
Os
06
07
Oa
CLR
GNO
Vee
Vo
V1
V2
V3
V4
Vs
Vs
Y7
Va
EN
CP
DIP
TOP VIEW
SS039C821-007
Q8~~:!;u1*,>
" , II IIII II II
LJ l.J LJ I I L .. LJ LJ
02
-, 4
-"5
3
2
I I 28
L,J
27
26... -
25""-
Y:!
03 :J6
24[: V3
04 :J7
23[: V4
NC :J8
22[: NC
05 :J9
21[: Vs
06 :JlO
20[: Vs
rr--07
12-,11
19,-
_..I 13 14 15 16 17
Y7
rlnr1r1r1rl
Sls~~tsli5 ~
U"
o +0
CP EN CLRQ
rCP
EN
CUi
OE
LCC
TOP VIEW
SS039C821·008
IDT39C82S/IDT39C826 8-BIT REGISTERS
9v
SSD39C821-003
OE1
OE2
DO
01
02
03
04
Os
06
07
CLR
GNO
Vee
OE3
Vo
V1
V2
Va
V4
Vs
V6
Y7
EN
Vo
DIP
TOP VIEW
SSD39C821-009
01
02 :]8
I II
LJ LJ
27 28r-
251.,-
24C:
V1
Y:!
03 :J7
~3[: Ya
NC :J8
22(.: NC
04 :J9
21[: V4
[Is :JlO
20[: Vs
De
:J~~
,.,
r13,
,1.4,
1,.5,
r16,
,1.7,
~:[:
r:'1
Vs
II II II II II II II
0ISu
Q~
U
Z
uILIwZ I:
08 0
CP
EN
CLR
0E1
OE2
0Ea
LCC
TOP VIEW
SSD39C821-010
5-2
Q
CLR
8
V
SSD39C821-004


Part Number IDT39C821
Description High Performance CMOS Bus Interface Register
Maker IDT
Total Page 6 Pages
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