CAT28C16A CATALYST [Catalyst Semiconductor], CAT28C16A Datasheet - Page 6

• Manufacturer Part Number: CAT28C16A
• Description: 16K-Bit CMOS PARALLEL E2PROM
• Manufacturer: CATALYST [Catalyst Semiconductor]

Doc. No. 25033-00 2/98
CAT28C16A
DEVICE OPERATION
Read
Data stored in the CAT28C16A is transferred to the data
bus when WE is held high, and both OE and CE are held
Figure 3. Read Cycle
Figure 4. Byte Write Cycle [WE Controlled]
ADDRESS
DATA OUT
DATA IN
WE
OE
CE
ADDRESS
DATA OUT
WE
CE
OE
t AS
t OES
V IH
HIGH-Z
t CS
t AH
t LZ
t RC
t CE
t WP
t OLZ
t DS
DATA VALID
HIGH-Z
t OE
6
low. The data bus is set to a high impedance state when
either CE or OE goes high. This 2-line control architec-
ture can be used to eliminate bus contention in a system
environment.
DATA VALID
t DH
t OH
t CH
t OEH
t DL
t AA
t WC
DATA VALID
t OHZ
t HZ
5089 FHD F06
28C16A F05