Rainbow Electronics W27E020 - Manual (Page 6)

Preliminary W27E020
- 6 -
READ OPERATION DC CHARACTERISTICS
(Vcc = 5.0V
±
10%)
PARAMETER SYM. CONDITIONS LIMITS UNIT
MIN. TYP. MAX.
Input Load Current I LI V IN = 0V to V CC -5 - 5 µ
A
Output Leakage Current I LO V OUT = 0V to V CC -10 - 10 µ
A
Standby V CC Current
(TTL input)
I SB CE = V IH
- - 1.0 mA
Standby V CC Current
(CMOS input)
I SB 1 CE = V CC
±
0.2V - 5 100
µ
A
V CC Operating Current I CC CE = V IL
I OUT = 0 mA
f = 5 MHz
- - 30 mA
V PP Operating Current I PP V PP = V CC - - 10
µ
A
Input Low Voltage V IL - -0.3 - 0.8 V
Input High Voltage V IH - 2.0 - V CC +0.5 V
Output Low Voltage V OL I OL = 2.1 mA - - 0.45 V
Output High Voltage V OH I OH = -0.4 mA 2.4 - - V
V PP Operating Voltage V PP - V CC - 0.7 - V CC V
READ OPERATION AC CHARACTERISTICS
(V CC = 5.0V
±
10%, for 70, 90 and 120 nS; T A = 0 to 70
°
C)
PARAMETER SYM. W27E020-70 W27E020-90 W27E020-12 UNIT
MIN. MAX. MIN. MAX. MIN. MAX.
Read Cycle Time T RC 70 - 90 - 120 - nS
Chip Enable Access Time T CE - 70 - 90 - 120 nS
Address Access Time T ACC - 70 - 90 - 120 nS
Output Enable Access
Time T OE - 30 - 40 - 55 nS
OE High to High-Z Output T DF - 25 - 25 - 30 nS
Output Hold from Address
Change T OH 0 - 0 - 0 - nS
Note: V CC must be applied simultaneously or before V PP and removed simultaneously or after V PP .