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CDP1833 Datasheet Preview

CDP1833 Datasheet

CMOS 1024-Word x 8-Bit Static Read-Only Memory

No Preview Available !

Read-Only Memories (ROMs) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ __
CDP1833, CDP1833C, CDP1833BC
MA7
MA6
MAO
MA4
MA3
MA2
MAl
MAO
BUS 0
BUSt
BUS2
vSS
24
23
3 22
4 21
5 2C
6 19
7 18
8 17
9 16
10 15
" 14
12 13
TOP VIEW
vOO
TPA
cn
CSI
CS2
MRD
CEO
BUS7
BUS6
eUS5
BUS4
BUS3
92CS- 2S8S9R2
TERMINAL ASSIGNMENT
CMOS 1024-Word X 8-Bit Static
Read-Only Memory
Features:
• CDP1833BC is compatible with the CDP1802BC 5 MHz microprocessor
• On-chip address latch
• Interfaces with CDP1800-series microprocessors without additional
components
• Optional programmable location within 64K memory space
• Three-state outputs
The RCA-CDP1833, CDP1833C, and CDP1833BC are static
8192-bit mask-programmable CMOS read-only memories
organized as 1024-words x 8 bits and are completely static;
no clocks are required. They will directly interface with the
CDP1800-series microprocessors without additional
comoonents.
The CDP1833, CDP1833C, and CDP1833BC respond to a
16-bit address multiplexed on 8 address lines. Address
latches are provided on-chip to store the 8 most significant
bits of the 16-bit address. By mask option, this ROM can be
programmed to operate in any 1024-word block within 64K
memory space. The polarity of the high-address strobe
(TPA), CEI, CS1, and CS2 are user mask-programmable.
The Chip-Enable output signal (CEO) is "high" when the
device is selected. Terminals CEO and CEI can be
connected in a daisy chain to control selection of RAM
memory in a microprocessor system without additional
components.
The CDP1833C and CDP1833BC are functionally identical
to the CDP1833. The CDP1833 has a recommended
operating voltage range of4 to 10.5 volts, and the CDP1833C
and CDP1833BC have a recommended operating voltage
range of 4 to 6.5 vol~s. The CDP1833BC is designed to
interface with the CDP1802BC microprocessor.
The CDP1833, CDP1833C, and CDP1833BC are supplied
in 24-lead hermetic dual-in-line side-brazed ceramic
package (D suffix) and 24-lead dual-in-line plastic package
(E suffix). The CDP1833C IS also available In chip form (H
suffix).
"
" CD~9~3'3
~
lt2..
I
ADDR BUS
TPA
------
-----
RAM
MRD --
CEO
ADDR BUS
TPA
MRD
MWR
l~
NO-N2 MRD
TPB
r--- Q
CPU
CDPl800
SERIES
SCO SCI
INTERRUPT
DMA-IN O=T
EFI-EF4
II II
8-BIT BIDIRECTIONAL DATA BUS
Fig. 1 - Typical CDP1800 Seri6s microprocessor system.
i'r~
I/O
CONTROL
II
'2CM-2lI890RI
File Number 1135
734 __________________________________________________




GE

CDP1833 Datasheet Preview

CDP1833 Datasheet

CMOS 1024-Word x 8-Bit Static Read-Only Memory

No Preview Available !

Read-Only Memories (ROMs)
CDP1833, CDP1833C, CDP1833BC
MAXIMUM RATINGS, Absolute-Maximum Values:
DC SUPPLY-VOLTAGE RANGE, (VOO)
(Voltage referenced to Vss terminal)
CDP1833 ....................................................................................................... -0.5 to +11 V
CDP1833C. CDP1833BC ......................................................................................... -0.5 to +7 V
INPUT VOLTAGE RANGE. ALL INPUTS ...................................................................... -0.5 to voo +0.5 V
DC INPUT CURRENT, ANY ONE INPUT ............................................................................... ±10 mA
POWER DISSIPATION PER PACKAGE (Po).
ForTA = -40 to +60'C (PACKAGE TYPE E) ........................................................................... 500 mW
For TA = +60 to +85'C (PACKAGE TYPE E) ............................................. Derate Linearly at 12 mV/·C to 200 mW
ForTA = -55 to +100'C (PACKAGE TYPE D) ......................................................................... · 500 mW
ForTA =+100 to 125'C (PACKAGE TYPE D) ............................................ Derate Linearly at 12 mWI"C to 200 mW
DEVICE DISSIPATION PER OUTPUT TRANSISTOR
ForTA = FULL PACKAGE-TEMPERATURE RANGE (All Packages) ..................................................... 100 mW
OPERATING-TEMPERATURE RANGE (TA)'
PACKAGE TYPE D ........................................................................................... -55 to +125·C
PACKAGE TYPE E ......................................................................................... ···· .-40 to +85'C
STORAGE TEMPERATURE RANGE (Tstg) ........................................................................ -65 to +150·C
LEAD TEMPERATURE (DURING SOLDERING):
At distance 1/16 ± 1/32 in. (1 59 ± 0.79 mm) from case for 10 s max ................................................... +265·C
OPERATING CONDITIONS at TA = _40· to +85·C
For maximum reliability, operating conditions should be selected so that operation Is always within the following ranges:
CHARACTERISTIC
DC Operating Voltage Range
Input Voltage Range
LIMITS
CDP1833
CDP1833C, CDP1833BC
Min.
4
Vss
Max.
10.5
Voo
Min.
4
Vss
Max.
6.5
Voo
UNITS
V
II
A
o
I
I
8
u
2I
F
F
~
,
E
R
SIa
LI 0
~
I
E
C
CI
HI
0
0
E
R
BUS?
SUS6
BUS5
BUS4
BUS3
Voo =- 24
Vss" 12
92:CS-2:ee9IR4
Fig. 2 - Functional diagram.
_______________________________________________________________ 735


Part Number CDP1833
Description CMOS 1024-Word x 8-Bit Static Read-Only Memory
Maker GE
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CDP1833 Datasheet PDF






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