IDT70261L20PF IDT, Integrated Device Technology Inc, IDT70261L20PF Datasheet - Page 7

• Manufacturer Part Number: IDT70261L20PF
• Description: IC SRAM 256KBIT 20NS 100TQFP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT70261L20PF

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Asynchronous
• Memory Size: 256K (16K x 16)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 100-TQFP, 100-VQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 70261L20PF

NOTES:
1. Timing depends on which signal is asserted last, OE, CE, LB, or UB.
2. Timing depends on which signal is de-asserted first CE, OE, LB, or UB.
3. t
4. Start of valid data depends on which timing becomes effective last t
5. SEM = V
Timing of Power-Up Power-Down
Waveform of Read Cycles
BUSY
DATA
IDT70261S/L
High-Speed 16K x 16 Dual-Port Static RAM with Interrupt
has no relation to valid output data.
UB, LB
BDD
ADDR
R/W
delay is required only in cases where the opposite port is completing a write operation to the same address location. For simultaneous read operations BUSY
OUT
OUT
CE
OE
IH
.
I
I
CE
CC
SB
t
t
t
t
AA
ACE
AOE
t
LZ
ABE
(1)
(4)
(4)
(5)
(4)
(4)
t
PU
AOE
t
50%
RC
, t
ACE
, t
6.42
t
BDD
AA
7
or t
(3, 4)
BDD
.
VALID DATA
t
PD
Industrial and Commercial Temperature Ranges
(4)
50%
3039 drw 06
t
HZ
,
(2)
t
OH
3039 drw 05