23a640 Microchip Technology Inc., 23a640 Datasheet - Page 3

• Manufacturer Part Number: 23a640
• Description: 64k Spi Bus Low-power Serial Sram
• Manufacturer: Microchip Technology Inc.

TABLE 1-2:
TABLE 1-3:
© 2009 Microchip Technology Inc.
AC CHARACTERISTICS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
Note 1:
AC Waveform:
Timing Measurement Reference Level:
Param.
No.
Input pulse level
Input rise/fall time
Operating temperature
C
Input
Output
L
= 100 pF
F
T
T
T
Tsu
T
T
T
T
T
T
T
T
T
T
T
T
T
Sym.
CSS
CSH
CSD
CLD
CLK
HD
R
F
HI
LO
V
HO
DIS
HS
HH
HZ
HV
This parameter is periodically sampled and not 100% tested.
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
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
AC CHARACTERISTICS
AC TEST CONDITIONS
Characteristic
0.1 V
-40°C to +85°C
CC
0.5 V
0.5 V
5 ns
—
to 0.9 V
CC
CC
CC
Industrial (I):
Preliminary
Min.
32
25
50
50
32
25
10
10
10
10
32
25
32
25
32
25
10
10
10
—
—
—
—
—
—
—
—
—
0
Max.
16
20
32
25
20
20
50
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
T
2
2
A
= -40°C to +85°C
Units
MHz
MHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
us
us
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
23A640/23K640
V
V
V
V
V
V
V
V
V
V
V
V
Note 1
Note 1
V
V
V
V
V
V
V
V
Note 1
V
V
—
—
—
—
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
CC
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
= 1.8V
= 3.0V
Test Conditions
DS22126B-page 3