M68Z128WN datasheet(9/12 Pages) STMICROELECTRONICS

Part #	M68Z128WN

Description	3V, 1 Mbit 128Kb x8 Low Power SRAM with Output Enable

PDF	12 Pages

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Manufacturer	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M68Z128W

Figure 10. Low VCC Data Retention AC Waveforms

AI00664

DATA RETENTION MODE

3.6V

tCDR

VCC

VDR > 1.4V

2.2V

≥ VDR – 0.2V

≤ 0.2V

0.8V

Table 9. Low VCC Data Retention Characteristics

(TA = 0 to 70°C)

Note: 1. All other Inputs at VIH ≥ VCC – 0.2V or VIL ≤ 0.2V.

2. See Figure 10 for measurement points. Guaranteed but not tested.

tAVAV is Read cycle time.

Symbol

Parameter

Test Condition

Min

Typ

Max

Unit

ICCDR

(1)

Supply Current (Data Retention)

VCC = 3V, E1 ≥ VCC – 0.2V,

≤ 0.2V, f = 0

0.01

µA

VDR

(1)

Supply Voltage (Data Retention)

≥ VCC – 0.2V, E2 ≤ 0.2V, f = 0

1.4

tCDR

(1,2)

Chip Disable to Power Down

≥ VCC – 0.2V, E2 ≤ 0.2V, f = 0

0ns

(2)

Operation Recovery Time

tAVAV

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