Rainbow-electronics W27L010 Uživatelský manuál

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Preliminary W27L010
128K × 8 ELECTRICALLY ERASABLE EPROM
Publication Release Date: February 1999
- 1 - Revision A1
GENERAL DESCRIPTION
The W27L010 is a high speed, low power consumption Electrically Erasable and Programmable Read
Only Memory organized as 131072 × 8 bits. It requires only one supply in the range of 3.0V to 3.6V in
normal read mode. The W27L010 provides an electrical chip erase function.
FEATURES
High speed access time:
90/120 nS (max.)
Read operating current: 10 mA (max.)
Erase/Programming operating current:
30 mA (max.)
Standby current: 20 µA (max.)
Low voltage power supply range, 3.0V to 3.6V
+14V erase/+12V programming voltage
Fully static operation
All inputs and outputs directly TTL/CMOS
compatible
Three-state outputs
Available packages: 32-pin 600 mil DIP, 450
mil SOP and PLCC
PIN CONFIGURATIONS
A6
A5
A4
A3
A2
A1
A0
Q0
5
6
7
8
9
10
11
12
13
Q
1
Q
2
Q
4
Q
5
Q
6
1
4
4 3 2 1
3
2
3
1
3
0
A14
A13
A8
A9
OE
A11
Q7
29
28
27
26
25
24
23
22
21
32-pin PLCC
G
N
D
1
5
1
6
1
7
1
8
1
9
2
0
N
C
V
c
c
CE
A10
Q5
OE
A10
Q7
Q6
A13
A8
A9
A11
PGM
NC
Q0
A0
A2
A3
A4
A5
A6
A7
A12
A15
A16
A14
A1
Vcc
Vpp
A
1
5
A
1
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
30
31
32
25
26
27
28
29
20
21
22
23
24
19
18
17
Q3
Q4
GND
Q2
CE
Q1
Q
3
A7
A
1
2
V
p
p
/
P
G
M
32-pin DIP
BLOCK DIAGRAM
CONTROL
OUTPUT
BUFFER
DECODER
CORE
ARRAY
Q0
Q7
.
.
CE
OE
A0
.
.
V
GND
CC
A16
PGM
V
PP
PIN DESCRIPTION
SYMBOL DESCRIPTION
A0A16
Address Inputs
Q0Q7
Data Inputs/Outputs
CE
Chip Enable
OE
Output Enable
PGM
Program Enable
VPP Program/Erase Supply Voltage
VCC Power Supply
GND Ground
NC No Connection
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Shrnutí obsahu

Strany 1 - Preliminary W27L010

Preliminary W27L010128K × 8 ELECTRICALLY ERASABLE EPROMPublication Release Date: February 1999- 1 - Revision A1GENERAL DESCRIPTIONThe W27L010 is a hi

Strany 2 - Preliminary W27L010

Preliminary W27L010- 10 -SMART PROGRAMMING ALGORITHMStartAddress = First LocationVcc = 5VVpp = 12VX = 0Increment XX = 25?VerifyOne ByteLastAddress?Vc

Strany 3

Preliminary W27L010Publication Release Date: February 1999- 11 - Revision A1SMART ERASE ALGORITHMStartVcc = 5VVpp = 14VIncrement XX = 0A9 = 14V; A0 =

Strany 4

Preliminary W27L010- 12 -ORDERING INFORMATIONPART NO. ACCESSTIME(nS)POWER SUPPLYCURRENT MAX.(mA)STANDBY VCCCURRENT MAX.(µA)PACKAGEW27L010-90 90 8 20

Strany 5

Preliminary W27L010Publication Release Date: February 1999- 13 - Revision A1Package Dimensions, Continued32-pin SO Wide Body1173216yeDSSeating Planeb

Strany 6

Preliminary W27L010- 14 -VERSION HISTORYVERSION DATE PAGE DESCRIPTIONA1 Feb. 1999 Initial IssuedHeadquartersNo. 4, Creation Rd. III,Science-Based Ind

Strany 7

Preliminary W27L010- 2 -FUNCTIONAL DESCRIPTIONRead ModeLike conventional UVEPROMs, the W27L010 has two control functions, both of which produce data a

Strany 8

Preliminary W27L010Publication Release Date: February 1999- 3 - Revision A1Standby ModeThe standby mode significantly reduces VCC current. This mode

Strany 9

Preliminary W27L010- 4 -DC CHARACTERISTICSAbsolute Maximum RatingsPARAMETER RATING UNITOperation Temperature 0 to +70°CStorage Temperature -65 to +12

Strany 10

Preliminary W27L010Publication Release Date: February 1999- 5 - Revision A1CAPACITANCE(VCC = 3.0V to 3.6V , TA = 25° C, f = 1 MHz)PARAMETER SYMBOL CO

Strany 11

Preliminary W27L010- 6 -READ OPERATION DC CHARACTERISTICS(VCC = 3.0V to 3.6V, TA = 0 to 70° C)PARAMETER SYM. CONDITIONS LIMITS UNITMIN. TYP. MAX.Inp

Strany 12

Preliminary W27L010Publication Release Date: February 1999- 7 - Revision A1DC PROGRAMMING CHARACTERISTICS(VCC = 5.0V ±10%, TA = 25° C ±5° C)PARAMETER

Strany 13

Preliminary W27L010- 8 -TIMING WAVEFORMSAC Read WaveformCEOutputsTHigh ZHigh ZValid OutputCETOETACCTOHTDFAddress Address Valid VILVIHVIHVILVIHVILOEEr

Strany 14

Preliminary W27L010Publication Release Date: February 1999- 9 - Revision A1Timing Waveforms, ContinuedProgramming WaveformAddressData12.0V5.0VCEAddre

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