25LC640A-M/SN Microchip Technology, 25LC640A-M/SN Datasheet - Page 3

• Manufacturer Part Number: 25LC640A-M/SN
• Description: 64K, 8K X 8, 2.5V SER EE, MIL 8 SOIC 3.90mm (.150") TUBE
• Manufacturer: Microchip Technology

Specifications of 25LC640A-M/SN

• Format - Memory: EEPROMs - Serial
• Memory Type: EEPROM
• Memory Size: 64K (8K x 8)
• Speed: 10MHz
• Interface: SPI, 3-Wire Serial
• Voltage - Supply: 2.5 V ~ 5.5 V
• Operating Temperature: -55°C ~ 125°C
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

TABLE 1-2:
© 2009 Microchip Technology Inc.
AC CHARACTERISTICS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
Param.
No.
Note 1: This parameter is periodically sampled and not 100% tested.
2: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
3: T
F
T
T
T
Tsu
T
T
T
T
T
T
T
T
T
T
T
T
T
T
T
—
Sym.
CSS
CSH
CSD
CLD
CLE
WC
CLK
HD
R
F
HI
LO
V
HO
DIS
HS
HH
HZ
HV
application, please consult the Total Endurance™ Model which can be obtained from Microchip’s web site
at www.microchip.com.
is complete.
WC
begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle
Clock frequency
CS setup time
CS hold time
CS disable time
Data setup time
Data hold time
CLK rise time
CLK fall time
Clock high time
Clock low time
Clock delay time
Clock enable time
Output valid from clock
low
Output hold time
Output disable time
HOLD setup time
HOLD hold time
HOLD low to output
High-Z
HOLD high to output valid
Internal write cycle time
Endurance
AC CHARACTERISTICS
Characteristic
Extended (M):
Min.
100
100
200
100
100
1M
50
50
10
20
20
40
50
50
50
50
20
40
20
40
30
60
30
60
—
—
—
—
—
—
—
—
—
0
Max.
100
100
100
10
50
40
80
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
5
5
T
A
= -55°C to 125°C
Cycles
Units
MHz
MHz
E/W
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
—
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
(Note 1)
(Note 1)
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
—
—
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
(Note 1)
4.5V ≤ Vcc ≤ 5.5V(Note 1)
2.5V ≤ Vcc ≤ 4.5V(Note 1)
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
4.5V ≤ Vcc ≤ 5.5V(Note 1)
2.5V ≤ Vcc < 4.5V(Note 1)
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
(N
(N
OTE
OTE
3)
2)
Test Conditions
V
25LC640A
CC
= 2.5V to 5.5V
DS22144A-page 3