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MX23L3254 Schematic ( PDF Datasheet ) - Macronix International

Teilenummer MX23L3254
Beschreibung 32M-BIT Low Voltage - Serial Mask ROM Memory with 50MHz SPI Bus Interface
Hersteller Macronix International
Logo Macronix International Logo 




Gesamt 18 Seiten
MX23L3254 Datasheet, Funktion
FEATURES
• 32Mbit of Mask ROM
• 2.7 to 3.6V Single Supply Voltage
• SPI Bus Compatible Serial Interface
• 50MHz Clock Rate (maximum)
MX23L3254www.DataSheet4U.com
32M-BIT Low Voltage, Serial Mask ROM Memory with
50MHz SPI Bus Interface
DESCRIPTION
The MX23L3254 is a 32Mbit (4M x 8) Serial Mask ROM
accessed by a high speed SPI-compatible bus.
PIN CONFIGURATIONS
16-PIN SOP (300 mil)
HOLD#
VCC
NC
NC
NC
NC
S#
Q
1
2
3
4
5
6
7
8
16 C
15 D
14 NC
13 NC
12 NC
11 NC
10 VSS
9 NC
PIN DESCRIPTION
SYMBOL
C
D
Q
S#
HOLD#
VCC
VSS
DESCRIPTION
Serial Clock
Serial Data Input
Serial Data Output
Chip Select
Hold
Supply Voltage
Ground
Note:
1. NC=No Connection
2. See page 16 (onwards) for package dimensions, and
how to identify pin-1.
ORDER INFORMATION
Part No.
MX23L3254MC-20
MX23L3254MC-20G
MX23L3254MI-20G
Speed
20ns
20ns
20ns
Note:
* Industrial grade operating temperature: -25 ~ 85 ° C
Commercial grade operating temperature: 0 ~ 70 ° C
Package
16-SOP
16-SOP
16-SOP
Remark
Pb-free
Pb-free (Industrial Grade)
P/N: PM1167
REV. 1.2, JUN. 08, 2005
1






MX23L3254 Datasheet, Funktion
MX23L3254www.DataSheet4U.com
INSTRUCTIONS
All instructions, addresses and data are shifted in and out
of the device, most significant bit first.
Serial Data Input (D) is sampled on the first rising edge of
Serial Clock (C) after Chip Select (S#) is driven Low. Then,
the one-byte instruction code must be shifted in to the
device, most significant bit first, on Serial Data Input (D),
each bit being latched on the rising edges of Serial Clock
(C).
The instruction set is listed in Table 1.
Every instruction sequence starts with a one-byte instruc-
tion code. Depending on the instruction, this might be
followed by address bytes, or by data bytes, or by both or
none.
In the case of a Read Data Bytes (READ), Read Data
Bytes at Higher Speed (Fast_Read), the shifted-in instruc-
tion sequence is followed by a data-out sequence. Chip
Select (S#) can be driven High after any bit of the data-out
sequence is being shifted out.
Table 1. Instruction Set
Instruction
Description
One-byte Instruction Code
Address
Bytes
Dummy
Bytes
READ
Read Data Bytes
0000 0011
03h 3
0
FAST_READ Read Data Bytes at Higher Speed
0000 1011
0Bh 3
1
Data
Bytes
1 to
1 to
P/N: PM1167
REV. 1.2, JUN. 08, 2005
6

6 Page









MX23L3254 pdf, datenblatt
Table 7. DC Characteristics
Symbol
Parameter
ILI Input Leakage Current
ILO Output Leakage Current
ICC1 Standby Current
ICC2 Operating Current (READ)
VIL Input Low Voltage
VIH Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
MX23L3254www.DataSheet4U.com
Test Condition
(in addition to those in Table 8)
S # = VCC, VIN = VSS or VCC
C = 0.1VCC / 0.9.VCC at 50MHz,
Q = open
C = 0.1VCC / 0.9.VCC at 20MHz,
Q = open
IOL = 1.6mA
IOH = -100 uA
Min.
Max. Unit
± 2 uA
± 2 uA
50 uA
8 mA
4 mA
- 0.5
0.7VCC
0.3VCC
VCC+0.4
0.4
VCC- 0.2
V
V
V
V
P/N: PM1167
REV. 1.2, JUN. 08, 2005
12

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