SN74ACT2236 datasheet(11/14 Pages) TI1

tên linh kiện	SN74ACT2236

Giải thích chi tiết về linh kiện	1024x9x2 ASYNCHRONOUS BIDIRECTIONAL FIRST-IN, FIRST-OUT MEMORY

PDF	14 Pages

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nhà sản xuất	TI1 [Texas Instruments]

Trang chủ	http://www.ti.com

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11 / 14 page

SN74ACT2236

1024 × 9 × 2

ASYNCHRONOUS BIDIRECTIONAL FIRST IN, FIRST OUT MEMORY

SCAS149A − APRIL 1990 − REVISED SEPTEMBER 1995

POST OFFICE BOX 655303

• DALLAS, TEXAS 75265

POST OFFICE BOX 1443

• HOUSTON, TEXAS 77251−1443

PARAMETER MEASUREMENT INFORMATION

From Output

Under Test

LOAD CIRCUIT

TOTEM-POLE OUTPUTS

tpd

1.5 V

3 V

GND

Output

Input

RL = 500 Ω

CL = 50 pF

3 V

0 V

Figure 4. Standard CMOS Outputs (All Flags)

1.5 V

3 V

1.5 V

0 V

0.3 V

Input

Output

tPZL

tPZH

tPHZ

tPLZ

VOL

VOH

≈ VCC

From Output

Under Test

VCC

≈ 0 V

LOAD CIRCUIT

VOLTAGE WAVEFORMS

ENABLE AND DISABLE TIMES

PARAMETER

CL†

ten

tPZH

500

Ω

50 pF

Open

Closed

ten

tPZL

500

Ω

50 pF

Closed

Open

tdis

tPHZ

500

Ω

50 pF

Open

Closed

tdis

tPLZ

500

Ω

50 pF

Closed

Open

tpd or tt

−

50 pF

Open

† Includes probe and test-fixture capacitance

Figure 5. 3-State Outputs (A0 −A8, B0 −B8)

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