Rainbow Electronics W27L520 - Manual (Page 6)

Preliminary W27L520
- 6 -
READ OPERATION DC CHARACTERISTICS
(V DD = 3.0V to 3.6V, T A = 0 to 70
°
C)
PARAMETER SYM. CONDITIONS LIMITS UNIT
MIN. TYP. MAX
.
Input Load Current I LI V IN = 0V to V DD -5 - 5
µ
A
Output Leakage Current I LO V OUT = 0V to V DD -5 - 5 µ
A
Standby V DD Current
(CMOS input)
I SB ALE = V DD
±
0.3V, OE/V PP = V DD
±
0.3V
All others inputs
= GND/ V
DD
±
0.3V
- - 20 µ
A
V DD Operating Current I DD ALE = V IL , IOUT = 0 mA
f = 5 MHz
- - 8 mA
Input Low Voltage V IL - -0.6 - 0.8 V
Input High Voltage V IH - 2.0 - V DD
+0.3
V
Output Low Voltage V OL I OL = 2.1 mA - - 0.4 V
Output High Voltage V OH I OH = -0.4 mA 2.4 - - V
READ OPERATION AC CHARACTERISTICS
(V DD = 3.0V to 3.6V, T A = 0 to 70
°
C)
PARAMETER SYM. W27L520-70 W27L520-90 UNIT
MIN. MAX. MIN. MAX
.
Address Latch Enable Access Time T CE - 70 - 90 nS
Address Latch Enable Width T ALE 45 - 45 - nS
Address Access Time T ACC - 70 - 90 nS
Address Setup Time T AS 15 - 15 - nS
Address Hold Time T AH 15 - 15 - nS
Output Enable Access Time T OE - 35 - 35 nS
OE /VPP High to High-Z Output
T DF - 25 - 25 nS
Output Hold from Address Change T OH 0 - 0 - nS
Note: V DD must be applied simultaneously or before V PP and removed simultaneously or after V PP .