Rainbow Electronics W27E512 - Manual (Page 6)

W27E512
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READ OPERATION DC CHARACTERISTICS
(V CC = 5.0V ±10%, T A = 0 to 70 ° C)
PARAMETER SYM. CONDITIONS LIMITS UNIT
MIN. TYP. MAX.
Input Load Current I LI V IN = 0V to V CC -5 - 5 µA
Output Leakage
Current I LO V OUT = 0V to V CC -10 - 10 µA
Standby V CC Current
(TTL input)
I SB CE = V IH
- - 1.0 mA
Standby V CC Current
(CMOS input)
I SB1 CE = V CC
±0.2V - 5 100 µA
V CC Operating Current I CC CE = V IL
I OUT = 0 mA
f = 5 MHz
- - 30 mA
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
READ OPERATION AC CHARACTERISTICS
(V CC = 5.0V ±10%, T
A = 0 to 70 ° C)
PARAMETER SYM. W27E512-45 W27E512-55 W27E512-70 W27E512-90 W27E512-12 W27E512-15 UNIT
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
Read Cycle Time T RC 45 - 55 - 70 - 90 - 120 - 150 - nS
Chip Enable
Access Time T CE - 45 - 55 - 70 - 90 - 120 - 150 nS
Address Access
Time T ACC - 45 - 55 - 70 - 90 - 120 - 150 nS
Output Enable
Access Time T OE - 20 - 25 - 30 - 40 - 55 - 60 nS
OE /VPP High to
High-Z Output
T DF - 20 - 20 - 30 - 30 - 30 - 50 nS
Output Hold from
Address Change T OH 0 - 0 - 0 - 0 - 0 - 0 - nS
Note: V CC must be applied simultaneously or before V PP and removed simultaneously or after V PP .