AS7C331MPFS18A
®
TAP AC test conditions
Input pulse levels. . . . . . . . . . . . . . . Vss to 2.5V
TAP AC output load equivalent
ꢎ,ꢏ28
Input rise and fall times. . . . . . . . . . . . . . . 1 ns
Input timing reference levels. . . . . . . . . . 1.25V
Output reference levels . . . . . . . . . . . . . . 1.25V
Test load termination supply voltage. . . . 1.25V
2ꢕΩ
ꢄꢂꢓ
ꢏꢕ"ꢌ
=ꢓ12ꢕΩ
3.3V V , TAP DC electrical characteristics and operating conditions
DD
o
o
(+10 C < T < +110 C and +3.135V < V < +3.465V unless otherwise noted)
J
DD
Description
Conditions
Symbol
Min
2.0
Max
VDD + 0.3
0.8
Units
V
Notes
1, 2
Input high (logic 1) voltage
Input low (logic 0) voltage
Input leakage current
V
IH
V
IL
-0.3
-5.0
V
1, 2
0V ≤ V ≤ VDD
IL
5.0
µA
IN
I
Outputs disabled,
Output leakage current
ILO
-5.0
5.0
µA
0V ≤ V ≤ VDDQ(DQx)
IN
Output low voltage
Output low voltage
Output high voltage
Output high voltage
IOLC = 100µA
V
0.7
0.8
V
V
V
V
1
1
1
1
OL1
I
OLT = 2mA
IOHS = -100µA
OHT = -2mA
V
OL2
V
OH1
2.9
2.0
I
V
OH2
2.5V V , TAP DC electrical characteristics and operating conditions
DD
o
o
(+10 C < T < +110 C and +2.4V < V < +2.6V unless otherwise noted)
J
DD
Description
Conditions
Symbol
Min
1.7
Max
VDD + 0.3
0.7
Units
V
Notes
1, 2
Input high (logic 1) voltage
Input low (logic 0) voltage
Input leakage current
V
IH
V
IL
-0.3
-5.0
V
1, 2
0V ≤ V ≤ VDD
IL
I
5.0
µA
IN
Outputs disabled,
Output leakage current
ILO
-5.0
5.0
µA
0V ≤ V ≤ VDDQ(DQx)
IN
Output low voltage
Output low voltage
Output high voltage
Output high voltage
IOLC = 100µA
V
0.2
0.7
V
V
V
V
1
1
1
1
OL1
I
OLT = 2mA
OHS = -100µA
IOHT = -2mA
V
OL2
I
V
2.1
1.7
OH1
V
OH2
1. All voltage referenced to V (GND).
SS
2. Overshoot: V (AC) ≤ V + 1.5V for t ≤ tKHKH/ 2
IH
DD
Undershoot: V (AC) ≥ -0.5 for t ≤ tKHKH/ 2
IL
Power-up: V ≤ +2.6V and VDD ≤ 2.4V and VDDQ ≤ 1.4V for t ≤ 200ms
IH
During normal operation, V
must not exceed V . Control input signals (such as LD, R/ W, etc.) may not have pulsed widths less than t
(Min) or oper-
KHKL
DDQ
DD
ate at frequencies exceeding f (Max).
KF
12/ 2/ 02, v. 0.9.2 Advance Info
Alliance Semiconductor
13 of 21
ISSI [ INTEGRATED SILICON SOLUTION, INC ]
