27C1000 MX27C1000 Datasheet

27C1000 Datasheet PDF, Equivalent


Part Number

27C1000

Description

MX27C1000

Manufacture

Macronix

Total Page 18 Pages
Datasheet
Download 27C1000 Datasheet


27C1000
FEATURES
128K x 8 organization
Single +5V power supply
+12.5V programming voltage
Fast access time: 45/55/70/90/100/120/150 ns
Totally static operation
Completely TTL compatible
GENERAL DESCRIPTION
The MX27C1000 is a 5V only, 1M-bit, One Time
Programmable Read Only Memory. It is organized as
128K words by 8 bits per word, operates from a single +
5 volt supply, has a static standby mode, and features
fast single address location programming. All program-
ming signals are TTL levels, requiring a single pulse. For
programming outside from the system, existing EPROM
MX27C1000
1M-BIT [128K x 8] CMOS EPROM
Operating current: 30mA
Standby current: 100uA
Package type:
- 32 pin plastic DIP
- 32 pin SOP
- 32 pin PLCC
- 32 pin TSOP
programmers may be used. The MX27C1000 supports
an intelligent fast programming algorithm which can
result in programming time of less than thirty seconds.
This EPROM is packaged in industry standard 32 pin
dual-in-line packages, 32 lead PLCC , 32 lead SOP , and
32 lead TSOP packages.
PIN CONFIGURATIONS
PDIP/SOP
VPP
A16
A15
A12
A7
A6
A5
A4
www.DataSheet4U.com A3
A2
A1
A0
Q0
Q1
Q2
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
32 VCC
31 PGM
30 NC
29 A14
28 A13
27 A8
26 A9
25 A11
24 OE
23 A10
22 CE
21 Q7
20 Q6
19 Q5
18 Q4
17 Q3
PLCC
4
A7 5
1 32
30
29 A14
A6 A13
A5 A8
A4 A9
A3 9
MX27C1000 25 A11
A2 OE
A1 A10
A0 CE
Q0 13
14
21 Q7
17 20
TSOP
A11
A9
A8
A13
A14
NC
PGM
VCC
VPP
A16
A15
A12
A7
A6
A5
A4
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
MX27C1000
32 OE
31 A10
30 CE
29 Q7
28 Q6
27 Q5
26 Q4
25 Q3
24 GND
23 Q2
22 Q1
21 Q0
20 A0
19 A1
18 A2
17 A3
P/N: PM0234
1 REV. 5.9, NOV. 19, 2002

27C1000
BLOCK DIAGRAM
CE
PGM
OE
CONTROL
LOGIC
OUTPUT
BUFFERS
A0~A16
ADDRESS
INPUTS
.
.
.
.
.
.
.
.
VCC
GND
Y-DECODER
X-DECODER
VPP
.
.
.
.
.
.
.
.
Y-SELECT
1M BIT
CELL
MAXTRIX
MX27C1000
Q0~Q17
PIN DESCRIPTION
SYMBOL
PIN NAME
A0~A16
Address Input
Q0~Q7
Data Input/Output
CE Chip Enable Input
OE Output Enable Input
PGM
Programmable Enable Input
VPP
Program Supply Voltage
NC No Internal Connection
VCC
Power Supply Pin (+5V)
GND
Ground Pin
FUNCTIONAL DESCRIPTION
THE PROGRAMMING OF THE MX27C1000
When the MX27C1000 is delivered, or it is erased,
the chip has all 1M bits in the "ONE" or HIGH state.
"ZEROs" are loaded into the MX27C1000 through the
procedure of programming.
For programming, the data to be programmed is applied
with 8 bits in parallel to the data pins.
Vcc must be applied simultaneously or before Vpp, and
www.DarteaSmhoeevte4Ud.cosmimultaneously or after Vpp. When
programming an MXIC EPROM, a 01.uF capacitor is
required across Vpp and ground to suppress spurious
voltage transients which may damage the device.
FAST PROGRAMMING
The device is set up in the fast programming mode when
the programming voltage VPP = 12.75V is applied, with
VCC = 6.25 V and PGM = VIL(or OE = VIH) (Algorithm
is shown in Figure 1). The programming is achieved
by applying a single TTL low level 100us pulse to the
PGM input after addresses and data line are stable. If
the data is not verified, an additional pulse is applied
for a maximum of 25 pulses. This process is repeated
while sequencing through each address of the device.
When the programming mode is completed, the data in
all address is verified at VCC = VPP = 5V ± 10%.
PROGRAM INHIBIT MODE
Programming of multiple MX27C1000s in parallel with
different data is also easily accomplished by using the
Program Inhibit Mode. Except for CE and OE, all like
inputs of the parallel MX27C1000 may be common. A
TTL low-level program pulse applied to an MX27C1000
CE input with VPP = 12.5 ± 0.5 V and PGM LOW will
program that MX27C1000. A high-level CE input inhibits
the other MX27C1000s from being programmed.
PROGRAM VERIFY MODE
Verification should be performed on the programmed bits
to determine that they were correctly programmed. The
verification should be performed with OE and CE at VIL,
PGM at VIH, and VPP at its programming voltage.
AUTO IDENTIFY MODE
The auto identify mode allows the reading out of a binary
code from an EPROM that will identify its manufacturer
and device type. This mode is intended for use by
programming equipment for the purpose of automatically
matching the device to be programmed with its
corresponding programming algorithm. This mode is
functional in the 25°C ± 5°C ambient temperature range
that is required when programming the MX27C1000.
P/N: PM0234
REV. 5.9, NOV. 19, 2002
2


Features MX27C1000 1M-BIT [128K x 8] CMOS EPROM F EATURES • • • • • • 128K x 8 organization Single +5V power suppl y +12.5V programming voltage Fast acces s time: 45/55/70/90/100/120/150 ns Tota lly static operation Completely TTL com patible • Operating current: 30mA Standby current: 100uA • Package ty pe: 32 pin plastic DIP 32 pin SOP 32 pi n PLCC 32 pin TSOP GENERAL DESCRIPTION The MX27C1000 is a 5V only, 1M-bit, On e Time Programmable Read Only Memory. I t is organized as 128K words by 8 bits per word, operates from a single + 5 vo lt supply, has a static standby mode, a nd features fast single address locatio n programming. All programming signals are TTL levels, requiring a single puls e. For programming outside from the sys tem, existing EPROM programmers may be used. The MX27C1000 supports an intelli gent fast programming algorithm which c an result in programming time of less t han thirty seconds. This EPROM is packa ged in industry standard 32 pin dual-in-line packages, 32 lead PLCC , 32 lead SOP.
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