25LC640AXT-E/ST Microchip Technology, 25LC640AXT-E/ST Datasheet - Page 4

• Manufacturer Part Number: 25LC640AXT-E/ST
• Description: 64K, 8K X 8, 2.5V SER EE EXT, ROTATED PINOUT 8 TSSOP 4.4mm T/R
• Manufacturer: Microchip Technology

Specifications of 25LC640AXT-E/ST

• 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: -40°C ~ 125°C
• Package / Case: 8-TSSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 25LC640AXT-E/STTR

25AA640A/25LC640A
TABLE 1-2:
TABLE 1-3:
DS21830D-page 4
AC CHARACTERISTICS
17
18
19
20
21
AC Waveform:
Timing Measurement Reference Level
Param.
No.
Note 1: This parameter is periodically sampled and not 100% tested.
Note 1: For V
V
V
V
C
Input
Output
LO
HI
HI
L
= 100 pF
2: This parameter is not tested but ensured by characterization. For endurance estimates in a specific
3: T
= V
= 4.0V
2: For V
= 0.2V
T
T
T
T
—
Sym.
HH
HZ
HV
WC
application, please consult the Total Endurance™ Model which can be obtained from Microchip’s web site
at www.microchip.com.
is complete.
CC
WC
- 0.2V
begins on the rising edge of CS after a valid write sequence and ends when the internal write cycle
HOLD hold time
HOLD low to output
High-Z
HOLD high to output valid
Internal write cycle time
Endurance
AC CHARACTERISTICS (CONTINUED)
AC TEST CONDITIONS
CC
CC
≤ 4.0V
> 4.0V
Characteristic
(Note 1)
(Note 2)
0.5 V
0.5 V
—
—
Industrial (I):
Automotive (E): T
CC
CC
Min.
160
160
1M
20
30
40
80
30
60
60
—
Max.
—
—
—
—
—
—
—
—
—
—
5
T
A
A
= -40°C to +85°C
= -40°C to +125°C
Cycles
Units
E/W
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
1.8V ≤ Vcc < 2.5V
4.5V ≤ Vcc ≤ 5.5V(Note 1)
2.5V ≤ Vcc < 4.5V(Note 1)
1.8V ≤ Vcc < 2.5V(Note 1)
4.5V ≤ Vcc ≤ 5.5V
2.5V ≤ Vcc < 4.5V
1.8V ≤ Vcc < 2.5V
(N
(N
OTE
OTE
3)
2)
© 2008 Microchip Technology Inc.
V
V
Test Conditions
CC
CC
= 1.8V to 5.5V
= 2.5V to 5.5V