70V3319S133BF IDT, 70V3319S133BF Datasheet - Page 17

• Manufacturer Part Number: 70V3319S133BF
• Description: SRAM 256Kx18 STD-PWR 3.3V SYNC DUAL-PORT RAM
• Manufacturer: IDT

Specifications of 70V3319S133BF

• Part # Aliases: IDT70V3319S133BF

Timing Waveform of Pipelined Read with Address Counter Advance
Timing Waveform of Flow-Through Read with Address Counter Advance
NOTES:
1. CE
2. If there is no address change via ADS = V
IDT70V3319/99S
High-Speed 3.3V 256/128K x 18 Dual-Port Synchronous Static RAM
the data output remains constant for subsequent clocks.
ADDRESS
DATA
0
, OE, UB, LB = V
ADDRESS
DATA
CNTEN
CNTEN
ADS
CLK
OUT
CLK
ADS
OUT
Qx - 1
Qx
IL
t
t
SAD
; CE
SA
EXTERNAL
(2)
ADDRESS
t
t
An
SA
SAD
(2)
READ
EXTERNAL
1
ADDRESS
t
An
, R/W, and REPEAT = V
t
HAD
HA
t
READ
t
DC
t
CH1
t
HAD
HA
t
CH2
t
t
CD1
CYC1
t
CYC2
t
CL1
IL
t
CL2
(loading a new address) or CNTEN = V
Qx
Qn
IH
t
.
CD2
t
READ WITH COUNTER
DC
READ WITH COUNTER
Qn
Qn + 1
6.42
17
IL
Qn + 1
t
t
SCN
(advancing the address), i.e. ADS = V
SAD
Qn + 2
t
t
HCN
HAD
COUNTER
HOLD
Industrial and Commercial Temperature Ranges
t
t
SCN
SAD
t
t
HAD
HCN
COUNTER
Qn + 2
Qn + 3
HOLD
(2)
(2)
COUNTER
IH
READ
WITH
and CNTEN = V
COUNTER
READ
WITH
5623 drw 17
5623 drw 16
IH
Qn + 4
, then
Qn + 3
(1)
(1)