IDT70914S20PF IDT, Integrated Device Technology Inc, IDT70914S20PF Datasheet - Page 8

• Manufacturer Part Number: IDT70914S20PF
• Description: IC SRAM 36KBIT 20NS 80TQFP
• Manufacturer: IDT, Integrated Device Technology Inc

Specifications of IDT70914S20PF

• Format - Memory: RAM
• Memory Type: SRAM - Dual Port, Synchronous
• Memory Size: 36K (4K x 9)
• Speed: 20ns
• Interface: Parallel
• Voltage - Supply: 4.5 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 80-TQFP, 80-VQFP
• Density: 36Kb
• Access Time (max): 20ns
• Sync/async: Synchronous
• Architecture: SDR
• Clock Freq (max): 50MHz
• Operating Supply Voltage (typ): 5V
• Address Bus: 12b
• Package Type: TQFP
• Operating Temp Range: 0C to 70C
• Number Of Ports: 2
• Supply Current: 290mA
• Operating Supply Voltage (min): 4.5V
• Operating Supply Voltage (max): 5.5V
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 80
• Word Size: 9b
• Number Of Words: 4K
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Other names: 70914S20PF; 800-1370

NOTES:
1. Transition is measured ±200mV from Low or High-impedance voltage with the Output Test Load (Figure 2).
2. CE
3. OE = V
4. All timing is the same for left and right ports. Ports "A" may be either the left or right port. Port "B" is opposite from port "A".
5. If t
Timing Waveform of Read Cycle, Either Side
Timing Waveform of Write with Port-to-Port Read
IDT70914S
High-Speed 36K (4K x 9) Synchronous Dual-Port Static RAM
DATA OUT
If t
DATA IN
ADDRESS
CCS
CCS
L
DATA
ADDR
ADDR
= CE
CLKEN
CLK
R/W
CLK
R/W
< maximum specified, then data from right port READ is not valid until the maximum specified for t
> maximum specified, then data from right port READ is not valid until t
IL
CLK
R/W
for the reading port, port 'B'.
R
OUT
OE
CE
"A"
"A"
"A"
"A"
"B"
"B"
"B"
= V
"B"
IL
, CLKEN
L
= CLKEN
MATCH
VALID
t
S
An
MATCH
R
= V
t
t
IL.
CH
CKLZ
t
H
(1)
t
CCS
t
CD
t
CYC
(5)
t
CWDD
t
t
CD
CL
An + 1
Qn
t
DC
6.42
CCS
8
+ t
CD
Military, Industrial and Commercial Temperature Ranges
. t
VALID
CWDD
t
An + 2
SCK
MATCH
does not apply in this case.
NO
MATCH
Qn + 1
t
NO
OHZ
CWDD
(1)
t
HCK
(2,3,4)
.
t
DC
t
CD
t
t
OE
OLZ
(1)
t
SCK
An + 3
Qn + 1
t
CKHZ
VALID
(1)
3490 drw 08
3490 drw 09