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  NEC Electronic Components Datasheet  

UPD2332A Datasheet

FULLY DECODED 32K-BIT MASK PROGRAMMABLE READ ONLY MEMORY

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NEe Microcomputers, Inc.
NEe
J.LPD2332A
fL PD2332A-1
J.L PD2332B
J.L PD2332B-1
FULLY DECODED 32,768 BIT MASK
PROGRAMMABLE READ ONLY MEMORY
DESCR IPTION
The NEC IlPD2332A/B is a Fully Decoded 32,768 Bit Mask Programmable Read-Only
Memory organized as 4,096 Words by 8 Bits. The }.lPD2332A/B has two chip select
inputs and the combination of "High"/"Low" levels of these inputs is mask-
programmable.
The }.lPD2332A/B is fabricated with sophisticated N-channel MaS technology and
features high speed and TTL compatibility for simple interface with bipolar circuits.
FEATURES
4096 Words x 8 Bits Organization
• Directly TTL Compatible - All Inputs and Outputs
• Fully Static (No Clock or Refresh Required)
• Single +5V Power Supply
• High Speed - Access Times: }.lPD2332A/B - 450 ns
}.lPD2332A/B-1 - 350 ns
• Three-State Output - aRTie Capability
• Two Programmable Chip Select Inputs for Easy Memory Expansion
• Available in Either JEDEC Pinout: IlPD2332A or }.lPD2332B
• N-Channel MaS Technology
• Available in 24 Pin Plastic or Ceramic Dual-in-Line Package
II
PIN CONFIGURATIONS
A7
A6
AS
A4
A3
A2
Al
AO
00
01
02
GNO
2
3
4
5
6
7
8
9
24 Vee
23 A8
22 A9
21 eS2
j.lPD
2332A
20
19
18
eS1
A10
All
17 07
16 Os
lS Os
14 04
13 03
A7
A6
AS
A4
A3
A2
Al
AO
00
01
02
GNO
2
3
4
s
6
8
9
24 Vee
23 A8
22 A9
21 A11'
j.lPD
23326
20
19
18
eS1
A10
eS2
17 07
16 06
1S Os
14 04
13 03
- PIN NAMES
AO - All Address Inputs
00- 0 7 Data Outputs
eS 1 - eS 2 Programmable Chip Select Inputs
Rev12
When ordering the IlP02332A/B, specify a chip
select combination of CS, and CS 2 from the
following.
eS2 eS1
00
01
10
11
121


  NEC Electronic Components Datasheet  

UPD2332A Datasheet

FULLY DECODED 32K-BIT MASK PROGRAMMABLE READ ONLY MEMORY

No Preview Available !

fL PD2332A/B
BLOCK DIAGRAM
A,
~A2 '"
.,A3 ::>
A4
I-
~
A5
~
~
AS a:
0
0
A7 '"
AS
Ag
AlO
Operat ing Tem peratu re
Storage Temperature ..
Supply Voltage On Any Pin
-lo°C to +70°C
. -65°Cto+125°C
-0.5 to +7.0 VoltsCD
Note: CD With Respect to Ground
COMMENT: Stress above those listed under" Absolute Maximum Ratings" may cause permanent
damage to the device. This is a stress rating only and functiona-l operation of the device at these or
any other conditions above those indicated in the operational sections of this specification is not
implied. Exposure to absolute maximum rating conditions for extended periods may affect device
reliability.
ABSOLUTE MAXIMUM
RATINGS*
Ta = -10oe to +70°C' Vee = +5V ±il0%- unless otherwise specified
LIMITS
PARAMETER
SYMBOL MIN. TYP.<Il MAX.
UNIT
TEST CONDITIONS
Input Load Current
(All Input Pins)
III
10
Output Leakage Current
Output Leakage Current
Power Supply Current
Input "Low" Voltage
Input "High" Voltage
Output "Low" Voltage
Output "High" Voltage
ILOH
ILOL
ICC
VIL
V IH
VOL
VOH
+10
-10
SO 90
-0.5
0.8
2.0 VCC +1.0V
0.40
2.4
Note: <D Typical Values for Ta = 25°C and nominal supply voltages.
)lA
)lA
)lA
rnA
V
V
V
V
VIN "'0 to +5.5V
CS = 2.2V (Deselected) VOUT = VCC
CS = 2.2V (Deselected) VOUT = OV
All inputs 5.25V Data Out Open
3.2mA
-200 IJA
DC CHARACTERISTICS
PARAMETER
SYMBOL
LIMITS
MIN. TYP. MAX. UNIT
TEST CONDITIONS
CAPACITANCE
Input Capacitance
Output Capacitance
C IN
COUT
10 pF All Pins Except Pin Under
Test Tied to AC Ground
15 pF All Pins Except Pin Under
Test Tied to AC Ground
Ta '" _10°C to +70Q e Vec "" +5V + 10%'unless otherwise specified
122
LIMITS
IJP02332A/B J.LP02332A/B-1
PARAMETER
SYMBOL MIN. MAX. MIN.
Address to Output [relay Time
Chip Select to Output Enable Delay-Time
Chip Deselect to Output Data Float Delay Time
Output Hold Time
tAce
tco
tDF
tOH
450
150
0 '50
20 20
MAX.
350
150
100
UNIT
n,
n,
"'
"
TEST CONDITIONS
tT '" tr "" tf = 20 ns
CL = l00pF
Load = ITTL gate
VIN '" 0.8 to 2V
Vref Input'" 1.5V
Vref Output = O.45/2.2V
AC CHARACTERISTICS


Part Number UPD2332A
Description FULLY DECODED 32K-BIT MASK PROGRAMMABLE READ ONLY MEMORY
Maker NEC
Total Page 3 Pages
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