FT7C168-25FM datasheet, PDF - EEWORLD Datasheet

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FT7C168-25FM: DescriptionStandard SRAM, 4KX4, 25ns, CMOS, CDFP20, CERAMIC, FP-20; Categorystorage storage; File Size727KB，15 Pages; ManufacturerForce Technologies Ltd.

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FT7C168-25FM Overview

Standard SRAM, 4KX4, 25ns, CMOS, CDFP20, CERAMIC, FP-20

FT7C168-25FM Parametric

Parameter Name	Attribute value
Parts packaging code	DFP
package instruction	DFP,
Contacts	20
Reach Compliance Code	unknown
ECCN code	3A001.A.2.C
Maximum access time	25 ns
JESD-30 code	R-CDFP-F20
memory density	16384 bit
Memory IC Type	STANDARD SRAM
memory width	4
Number of functions	1
Number of terminals	20
word count	4096 words
character code	4000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
organize	4KX4
Package body material	CERAMIC, METAL-SEALED COFIRED
encapsulated code	DFP
Package shape	RECTANGULAR
Package form	FLATPACK
Parallel/Serial	PARALLEL
Certification status	Not Qualified
Maximum seat height	2.28 mm
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	MILITARY
Terminal form	FLAT
Terminal pitch	1.27 mm
Terminal location	DUAL
width	8.38 mm
Base Number Matches	1

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FT7C168, FT7C169, FT7C170

HIGH SPEED 4K x 4

SRAM

FEATURES

Full CMOS, 6T Cell

High Speed (Equal Access and Cycle Times)

– 12/15/20/25/35ns (Commercial)

– 20/25/35/45/55/70ns (FT7C168 Military)

Low Power Operation (Commercial)

– 715 mW Active

– 193 mW Standby (TTL Input)

FT7C168

– 83 mW Standby (CMOS Input)

FT7C168

Single 5V±10% Power Supply

Fully TTL Compatible, Common I/O Ports

Three Options

–

FT7C168

Low Power Standby Mode

–

FT7C169

Fast Chip Select Control

–

FT7C170

Fast Chip Select, Output Enable

Controls

Standard Pinout (JEDEC Approved)

–

FT7C168:

20-pin DIP, SOJ, LCC, SOIC,

CERPACK, and Flat Pack

–

FT7C169:

20-pin DIP and SOIC

–

FT7C170:

22-pin DIP

DESCRIPTION

The

FT7C168, FT7C169

and

FT7C170

are a family of

16,384-bit ultra high-speed static RAMs organized as 4K

x 4. All three devices have common input/output ports.The

FT7C168

enters the standby mode when the chip enable

(CE) control goes HIGH; with CMOS input levels, power

consumption is only 83mW in this mode. Both the

FT7C169

and the

FT7C170

offer a fast chip select access time that

is only 67% of the address access time. In addition, the

FT7C170

includes an output enable (OE) control to elimi-

nate data bus contention. The RAMs operate from a

single 5V ± 10% tolerance power supply.

Access times as fast as 12 nanoseconds are available,

permitting greatly enhanced system operating speeds.

CMOS is used to reduce power consumption to a low 715

mW active, 193 mW standby.

The

FT7C168

and

FT7C169

are available in 20-pin (FT7C170

in 22-pin) 300 mil DIP packages providing excellent

board level densities. The

FT7C168

is also available in 20-

pin 300 mil SOIC, SOJ, CERPACK, and Flat Pack

packages.

The

FT7C169

is also available in a 20-pin 300 mil SOIC

package.

FUNCTIONAL BLOCK DIAGRAM

PIN CONFIGURATIONS

Only FT7C168

FT7C168

FT7C169

DIP (P2, C6, D2)

DIP (P2)

SOIC (S2)

SOJ (J2)

CERPACK (F2)

SOLDER SEAL FLAT PACK (FS-2)

FT7C170

DIP (P3)d

CE Used On FT7C168 Also For Power Down Functions

CE Used On FT7C169 Fast Chip Select

OE Output Enable Function On FT7C170

Revised October 2006

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