is62c25616bl Integrated Silicon Solution, Inc., is62c25616bl Datasheet - Page 6

• Manufacturer Part Number: is62c25616bl
• Description: 256k?x?16?high-speed?cmos?static?ram
• Manufacturer: Integrated Silicon Solution, Inc.

AC WAVEFORMS
READ CYCLE NO. 1
READ CYCLE NO. 2
Notes:
1. WE is HIGH for a Read Cycle.
2. The device is continuously selected. OE, CE, UB, or LB = V
3. Address is valid prior to or coincident with CE LOW transition.
IS62C25616BL, IS65C25616BL
ADDRESS
6 Integrated Silicon Solution, Inc. — www.issi.com —
ADDRESS
D
OUT
LB, UB
D
OUT
OE
CE
HIGH-Z
t
PREVIOUS DATA VALID
LZCE
(1,2)
(1,3)
t
LZB
(Address Controlled) (CE = OE = V
(CE, OE and UB/LB Controlled)
t
AA
t
DOE
t
t
t
LZOE
ACE
BA
t
OHA
t
RC
IL
.
t
AA
DATA VALID
t
RC
IL
, UB or LB = V
t
HZCE
DATA VALID
IL
t
t
t
)
OHA
HZB
HZOE
t
OHA
UB_CEDR2.eps
1-800-379-4774
READ1.eps
11/23/2010
Rev. 00A