Datasheet

 2008-2011 Microchip Technology Inc. DS22100F-page 3
23A256/23K256
TABLE 1-2: AC CHARACTERISTICS
AC CHARACTERISTICS
Industrial (I): T
A = -40°C to +85°C
Automotive (E): T
A = -40°C to +125°C
Param.
No.
Sym. Characteristic Min. Max. Units Test Conditions
1FCLK Clock frequency —
—
—
—
10
16
16
20
MHz
MHz
MHz
MHz
VCC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
2T
CSS CS setup time 50
32
32
25
—
—
—
—
ns
ns
ns
ns
VCC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
3T
CSH CS hold time 50
50
50
50
—
—
—
—
ns
ns
ns
ns
VCC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
4T
CSD CS disable time 50
32
32
25
—
—
—
—
ns
ns
ns
ns
VCC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
5 Tsu Data setup time 10
10
10
10
—
—
—
—
ns
ns
ns
ns
V
CC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
6THD Data hold time 10
10
10
10
—
—
—
—
ns
ns
ns
ns
VCC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
7TR CLK rise time — 2 us Note 1
8T
F CLK fall time — 2 us Note 1
9THI Clock high time
50
32
32
25
—
—
—
—
ns
ns
ns
ns
V
CC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
10 T
LO Clock low time
50
32
32
25
—
—
—
—
ns
ns
ns
ns
V
CC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
11 T
CLD Clock delay time
50
32
32
25
—
—
—
—
ns
ns
ns
ns
V
CC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
12 T
V Output valid from clock low
—
—
—
—
50
32
32
25
ns
ns
ns
ns
V
CC 1.5V (I-Temp)
V
CC 1.8V (I-Temp)
V
CC 3.0V (E-Temp)
V
CC 3.0V (I-Temp)
13 T
HO Output hold time 0 — ns Note 1
Note 1: This parameter is periodically sampled and not 100% tested.